Product & Service Catalogue - Kohler Uninterruptible Power
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Product & Service Catalogue
2
Contents
About Kohler Three Phase 16 Service Solutions 72
Uninterruptible Power 4
Kohler PW 5000/TP 18 Maintenance 74
Kohler Uninterruptible Products 8
Kohler EW 6000 22 Monitoring 74
Single Phase 10
Kohler EW 6000TX 26 Batteries 75
Kohler PW 1000 Range 12
Kohler PW 6000 30 On-site 76
Kohler PW 1000/LT 14
Kohler PW 8000DPA 34 Technical Specifications 78
Kohler PW 1000/OT 14
Kohler PW 9000DPA 40
Kohler PW 1000/ORM 14
Kohler PW 9250DPA 46
Kohler PW 9500DPA 52
Kohler MF1500 DPA 58
Modes 62
Lithium-ion Batteries 64
Battery Monitoring 68
3
About Kohler
Uninterruptible
Power
Total vertical and
horizontal scalability
using hot swap
modularity
What makes us different? Why choose us? The Kohler Uninterruptible
Our aim is simple – to be the best Kohler Uninterruptible Power takes a Power mission
power protection company there is. comprehensive, end-to-end approach to
Together with our parent company, the
meeting our customers’ specific and
demanding requirements. From initial
To continuously
Kohler Company’s Power Group, Kohler
Uninterruptible Power is a driving force
contact through installation, service,
maintenance and disposal, Kohler
delight our
within the power protection industry
offering pioneering product technology,
Uninterruptible Power provides its
customers with an unrivalled partner for
customers through
service excellence and global reach. complete peace of mind.
the provision of
Best in class power protection solutions
We understand that every client is
different and each has its own specific
industry-leading
Central to our product portfolio is a range
opportunities to consider and challenges
to overcome. The key, we believe,
Power Protection
of the highest quality, class-leading three-
phase and single-phase uninterruptible
is to spend the time required to truly
understand the business and how it
Solutions and
power supplies. Developed to offer the
highest levels of efficiency, availability,
operates. Only then can we apply our
comprehensive product range,
Support Services.
scalability and flexibility.
combined with our broad support
services offering, to provide power
Leveraging Kohler’s technical leadership
protection solutions which exceed
in global power protection, the full power
expectations.
protection portfolio includes:
This also means Kohler Uninterruptible
Uninterruptible power supply (UPS)
Power continuously invests in product
Battery systems and system development, the talent of
its employees, broadening its range of
Software and ancillaries
services, and improving its service
Service excellence guaranteed delivery. By doing so, Kohler
Uninterruptible Power expertly meets
Kohler Uninterruptible Power has built the present and future needs of its
an outstanding reputation for service customers and achieves its objective –
excellence through its unrivalled pre and to be a leader of power protection
post sales support. Our wide range of solutions and services.
services includes initial site surveys,
system design, installation and
commissioning, preventative
maintenance, training, and technical
About Kohler Co.
support.
Established in 1873, Kohler Co. has
With 24/7 availability, all these services
a pedigree for quality, innovation and
are delivered by a dedicated and
exceptional craftsmanship. In 1920,
extensive network of trained service
it launched the world’s first engine
engineers and service support staff -
powered electric generator. Since then,
ensuring lifelong and reliable operation of
it has been developing products for
the power protection solutions it provides.
every aspect of critical load protection
and is one of the world’s largest power
protection equipment manufacturers
with products in use on every continent.
Together, Kohler Uninterruptible Power
and Kohler bring a potent, global force of
longevity, pedigree, pioneering product
technology, service excellence and
global reach to the power protection
industry.
5
Total vertical and horizontal scalability using hot swap modularity
Product overview: Market overview
Industry-leading products
Kohler Uninterruptible Power’s product From financial services and Colo
portfolio contains some of the most providers to retail and manufacturing
technologically advanced power giants, Kohler Uninterruptible Power’s
protection products. At the core of its products are being utilised in a broad
product portfolio is a range of high range of markets, supporting an even
quality and reliable three-phase and broader range of applications.
single-phase uninterruptible power
supplies. Regardless of whether you need a multi-
MVA system to support a tier 4 data
Single-phase UPS from 1–20 kVA, centre or a 10 kVA UPS to support an
parallelable up to 80 kVA emergency lighting system, Kohler
Uninterruptible Power has the perfect
Three-phase transformerless UPS from
solution. Our teams of sales managers
10-1200 kVA scalable up to 9.6 MVA
and engineers have extensive experience
Battery systems in developing tailor-made solutions,
specifically designed to meet your
Switchgear
particular challenges and ensure that any
Emergency lighting static inverters requirement can be satisfied, no matter
the business or area of operation.
Software and ancillaries
Service overview
24/7 onsite service
Initial site survey
System design
Installation
Commissioning
Preventative maintenance
Repair
Battery maintenance, replacement
and testing
Capacitor replacement
Load bank testing
Witness testing
Disposal
7
8
Kohler Uninterruptible
Products
Kohler Uninterruptible Power’s
product portfolio contains some of
the most technologically advanced
power protection products. At the
core of its product portfolio is a
range of high quality and reliable
three-phase and single-phase
uninterruptible power supplies.
10Single Phase 11
12
Kohler PW 1000
(800 VA–20 kVA)Kohler PW 1000 range
Capacities from 800 VA to 20 kVA
Single phase
Standalone UPS
Tower and rack mounted designs
available
High efficiency of up to >96%
For server, network, storage,
and telecommunication
applications – combining high
reliability and high efficiency.
Single-phase UPS for
smaller-scale operations
– without compromising
on quality.
13The Kohler PW1000/LT The Kohler PW1000/OT Either tower or rack-mounted,
provides reliable power is an online double the Kohler PW1000/ORM
protection for low power conversion single-phase is an online double conversion
single-phase applications UPS that delivers a single-phase UPS covering
from 800 VA to 2200 VA, continuous sinusoidal power requirements from
making it the ideal solution voltage to ensure maximum 1–20 kVA. Providing a
as power back-up for PCs, power protection, while continuous sinusoidal, filtered
workstations, servers and filtering and stabilising the and stabilised voltage to the
load, it protects against the
other network storage power supplied to protect
loss of power and mains
devices. against mains disturbances.
disturbances.
Kohler PW1000/LT Kohler PW1000/OT Kohler PW1000/ORM
Line interactive technology Online double-conversion technology Online double-conversion technology
Power range: 800 VA, 1500 VA and Power range: 1, 2, 3, 6, 10, 15 and Power range: 1, 2, 3, 6, 10, 15 and 20 kVA
2200 VA 20 kVA
0.9 power factor
Built-in automatic voltage regulation 0.9 power factor
Up to 96.5% efficiency (eco mode)
LED display Up to 96.5% efficiency (eco mode)
LCD/LED display
Tower design LCD/LED display
Interfaces – RS-232, SNMP, USB, dry
Tower design contact relay
This line interactive UPS is available in a
tower design and provides up to five Interfaces – RS-232, SNMP, USB, dry Convertible tower/rack-mounted design
minutes of continuous power during the contact relay
Extended battery autonomy options
loss of mains power. It also protects
Extended battery autonomy options
against disturbances in the mains power
Combining all the smart features you
as its automatic voltage regulator (AVR)
This tower design UPS is available in would expect in a UPS, including high
ensures a source of stable, continuous
1, 2, 3, 6, 10, 15 and 20 kVA models. efficiency of up to 96.5%, a power factor
power is provided under brown-out, sag,
With a 0.9 power factor and high of 0.9, an LCD display and a wide range
surge and spikes conditions.
efficiency up to 96.5%, it combines all of communications interface options,
the smart functionality you would expect PW1000/ORM is affordable, reliable and
with a standard digital display and a flexible.
wide range of communications interface
options.
1415
16
Three Phase 17
18
Kohler PW 5000/TP
(10–50 kVA)Three-phase UPS for midsize Kohler PW 5000/TP
server rooms, networks, Capacities from 10 kVA to 50 kVA
three phase
telecommunication systems On-line double conversion,
and industrial processes. transformerless technology for high
reliability
Parallel capability of up to 20 units
Intelligent battery management
95.5% efficiency across a wide load
range
Integral batteries
Near unity input power factor (0.99)
Low input harmonic distortion
(THDiFlexible battery configuration Highest load availability High efficiency for
lowest lifetime costs
Optimal sizing of battery capacity Productivity maximised, ‘downtime’ High efficiency at partial and rated loads
minimised
10–50 kVA with different sized cabinets Low carbon footprint
Extended autonomy with matching Paralleled systems are designed to
With a transformerless design and
battery cabinets ensure availability by significantly
Energy Saving Inverter Switching (ESIS)
increasing system redundancy. In the
technology, Kohler PW 5000/TP delivers
Kohler PW 5000/TP is available in three case of a power failure, should a UPS unit
efficiency at partial and rated loads (up
cabinet sizes, enabling you to choose fail, the remaining units are still able to
to 95.5%). This level of efficiency
the ideal capacity and required continue to support the critical load.
dramatically reduces the total cost of
autonomy for your critical load. The Redundant paralleled systems also
ownership of the UPS during its lifecycle.
smaller 10-25 kVA units are available in enable regular maintenance to be carried
two cabinet sizes, dependent on the out on the system without any
Ripple-free and optional temperature
required level of autonomy, with the requirement to remove the critical load
controlled battery chargers protect
larger units (25–50 kVA) available in a from conditioned power.
batteries and extend the lifetime
third cabinet size, which can house both
performance, further reducing running
7/9 Ah and 28 Ah batteries.
costs.
Additional battery cabinets that match
These benefits combine to make the
perfectly with the UPS for scaling
Kohler PW 5000/TP a truly eco-friendly
autonomy time.
solution for all power protection
requirements.
Space saving
Reduced footprint
Valuable floor space maximised
With a footprint of only 0.4m2 at 50 kVA,
the Kohler PW 5000/TP has a power
density of up to 100 kW/m2. As a result,
substantial and valuable space savings
are achieved even at the highest power
ratings.
LCD display
Output contacts and
SNMP card (optional)
Customer inputs
RS232 interface
Rectifier and
bypass fuses
Batteries
Battery fuses
Maintenance
bypass switch
Parallel isolator
Battery containment
Input/output connection
20Kohler PW 5000/TP range
UPS cabinet A (10–20 kVA) UPS cabinet B (10–25 kVA) UPS cabinet C (25–50 kVA)
Dimensions (W x D x H) Dimensions (W x D x H) Dimensions (W x D x H)
345 x 710 x 720 mm 345 x 710 x 1045 mm 440 x 910 x 1420 mm
Weight without battery Weight without battery Weight: 7/9 Ah cabinet without battery
10 kVA: 60 kg 10 kVA: 88 kg 25 kVA: 151 kg
15 kVA: 62 kg 15 kVA: 90 kg 30 kVA: 160 kg
20 kVA: 64 kg 20 kVA: 92 kg 40 kVA: 165 kg
25 kVA: 94 kg 50 kVA: 170 kg
Weight with 48 x 7/9 Ah battery
10 kVA: 180 kg Weight with 96 x 7/9 Ah battery Weight: 28 Ah cabinet without battery
15 kVA: 182 kg 10 kVA: 328 kg 25 kVA: 135 kg
20 kVA: 184 kg 15 kVA: 330 kg 30 kVA: 145 kg
20 kVA: 332 kg 40 kVA: 150 kg
25 kVA: 334 kg 50 kVA: 155 kg
Weight with 144 x 7/9 Ah battery
25 kVA: 540 kg
30 kVA: 550 kg
40 kVA: 555 kg
50 kVA: 560 kg
Weight with 48 x 28 Ah battery
Available in three different cabinet sizes 25 kVA: 605 kg
Cabinet A: 10 – 20 kVA 30 kVA: 615 kg
Cabinet B: 10 – 25 kVA 40 kVA: 620 kg
Cabinet C: 25 – 50 kVA 50 kVA: 625 kg
21Kohler EW 6000 Transformerless (UPS 10–1200 kVA)
Advanced, compact 3:3/3:1 Kohler EW 6000
UPS for finance companies, New 10–40 kW range
servers rooms, healthcare, Advanced IGBT inverter
High efficiency, up to 96%
government and national Output PF 1.0
defence, retail, leisure and Easy to use display and menu
hospitality, transportation and Transformerless
Intelligent battery management system
telecommunication systems. prolongs battery service life
Compact and efficient Flexible design User-friendly
Exceptional power density and high Use with either internal, external or LCD screen with flow through menu to
output power factor (≥0.99) result in a combined battery strings access functions and settings
highly compact, leading edge footprint
Flexible battery configurations (10kW Authority management and two-button
Efficiency up to 96% (@50-100% load), ±8-20 blocks and 20-40kW ±12-20 design to reduce risk of mistakes
reducing running costs and blocks) maximise resilience and use of
Easy troubleshooting via history log and
environmental impact existing batteries
fault alarm record
Diverse range of inputs and outputs
comprising 1:1, 3:1 and 3:3 for 10-20kW
and 3:1 and 3:3 for 30-40kW
Performance and reliability
Definable charge current: 1-10A for LCD Display
10-20kW, 1-20A for 30-40kW
Low THDi (Three-phase UPS for finance Kohler EW 6000
companies, data centres, 50–200 kW
medical equipment, IGBT rectifier and inverter
High efficiency, up to 96%
government and national Output PF 1.0
defence, telecommunications Fault trace management
systems, transportation and Transformerless
Intelligent battery management system
energy processes. prolongs battery service life
Flexible network management: SNMP
Green power Flexible design Options
High efficiency in online mode (up to 96%) Common battery bank sharing in parallel Customised power distribution cabinet
reduces heat dissipation and limits system
Expanded dry contact
power consumption costs
Flexible battery configuration improves
Intelligent battery monitoring system
Efficiency >99% in eco mode gives service ability
significant cost reduction Bypass voltage regulator
High power density design with compact
size, 120 kW covers 0.3825 m2 Dual-system control card
Frequency converter function (60 Hz to Auto switch: STS/ATS
50 Hz or 50 Hz to 60 Hz)
Reliable Energy feedback absorber
Smart generator management
N+X in parallel
Wide input voltage range, 176Vac -
Self-aging test function without load
280Vac (230Vac -23% to +21%) Input isolation transformer
enables onsite commission
Robust overload ability SPD: C grade
Easy onsite parallel modification
Dual system control card preventing Output synchronisation common bus
single failure point
Battery charge temperature
IGBT rectifier benefit with low THDi compensation
(≤3%) and high power factor
Bus synchronisation control function
provides reliable high power for the
dual-bus application
3-level IGBT inverter ensures excellent
performance
Intelligent fan control reduces noise and
prolongs fan service life
Intelligent management
Fault trace management (FTM) for
convenient failure analysis (waveform
record)
Easy access to additional settings and
status information via on-screen menu
Auto dedusting function
Key components pre-alarm function
80–120 kW
50–60 kW
24High efficiency, advanced Kohler EW 6000
UPS for larger loads in data New 300–1200 kW range
centre, financial services, Advanced IGBT rectifier
High efficiency, up to 97%
process / production, utility, Output PF 1.0
healthcare, government and Sophisticated display and menu
national defence applications. Transformerless
Intelligent battery management
Parallel 8 units up to 9.6MW
Performance and reliability Intelligent, advanced design User-friendly
Efficiency up to 97%, reducing running Advanced parallel expansion Clear, configurable 7” touch screen to
costs and environmental impact technology, enabling connection of up to quickly access functions and settings
8 units and 9.6 MW
Low THDi (≤2% at full load) and high Large 10,000 point event log with data
power factor (≥0.99) Self-load test function for easy onsite and graphical representation options
testing and faster commissioning
Advanced 3-level IGBT inverter for Fault trace management aid via 100ms
cleanest sine waveform output Battery temperature compensation – waveform record before and after fault
increases performance and lifespan
Wide input voltage range (-40% to
+25%) keeps UPS on mains longer, Three-stage battery charging to prolong
reducing use / wear of generator and battery life
batteries
Multiple communication options
Dual DSP and power board remove including Smart programmable dry
single point of failure contact communication function
Eco and Smart Eco modes to further Supports external input / output
improve energy efficiency (in Smart Eco transformer connection
mode inverter provides harmonic
Common bypass cabinet
compensation and power factor
correction whilst bypass supplies load) Intelligent fan control – reduces noise
and energy use while prolonging life
Coated PCBs as standard – protects
from humidity, dust and corrosion
25Kohler EW 6000TX
Transformer-based
(UPS 10–600kVA)Three-phase UPS for Kohler EW 6000TX
10–200 kVA
computer rooms, data
PF = 0.9
centres, precision Small footprint
instruments, and industrial High efficiency 92%
processes. All series touchscreen design
Galvanic isolation transformer
Double-button switch prevents error
Transformer-based
Reliable Intelligent management Easy operation
The output isolation transformer Multiple communication interface 10–30 kVA models have wheels for easy
provides high reliability to adapt to harsh supports UPS and load intelligent movement
industrial environments and protect monitoring
HMI-friendly operation
critial loads
Intelligent SNMP achieves local
On/off double-button design
100% three-phase unbalance load monitoring and remote monitor
adapts to complex applications EPO
Battery temperature compensation
The dual air duct design provides function extends battery service life 10,000 history records reduce fault
effective cooling – protecting key analysis and maintenance time
The battery self-test function and battery
components and extending service life
temperature compensation function Power components in module design –
Dual power supply redundancy improve battery performance and more compact structure and easy for
extend its life maintenance
The wide input voltage range provides
high adaptability to the grid and extends Intelligent fan control according to load Hot-swappable fan design achieves
the battery service life capacity reduces noise and prolongs fan on-line maintenance
service life
The main PCB board with professional
electromagnetic shielding improve
reliable performance of EMC
Innovative upgrade
Dual DSP control technology makes the
data processing faster and more precise,
and improves reliability
High output PF = 0.9 meets with the high
requirements of applications
ECO-mode (98% efficiency) reduces
cost and heat emission
Bus synchronisation control function
provides reliable high power for the dual
bus application
Advanced no-master-slave parallel
technology achieves online power
expansion and prevents single faults
100–200 kVA 40–80 kVA 10–30 kVA
27Kohler EW 6000TX
300–600 kVA
High efficiency up to 95%
Wide input voltage range
Galvanic isolation
High overload capacity
IGBT-based rectifier technology
Transformer-based
Easy operation with 7-inch LCD touch
screen and LED on front door
Three-phase UPS SNMP and MODBUS communication
for finance companies;
data centres; government
and national defence;
telecommunications systems;
transportation, energy and
industrial processes.
28Green power User-friendly Galvanic isolation
High input power factor (up to 0.999) and Set modes easily via touchscreen: Complete UPS output galvanic isolation
low Input THDi: 99%; front panel current puncture to UPS
50% load >94.74%
Large data storage capacity, 10,000 No effects to the UPS output
Load bus sync (LBS) control decrease entry event log performance or reduced impact of the
transfer time and current impact of dual inverter power components whilst
bus system supplying specific loads
Reliable Intelligent management Options
Wide input voltage range ( -40%~+25%) Intelligent SNMP and MOD BUS UPS management software
assure high grid adaptability and prolong achieves local monitoring and remote
IP grade upgrade and temperature
battery service life. monitor
sensor
Dual air ducts design shows better Intelligent battery management,
Lightning protection device C/D level
cooling performance automatic boosting and floating charge
control Charging temperature compensation
Dual power and DSP redundancy design
get higher reliability Intelligent fan control according the load Input/bypass isolation transformer
capacity reduces the noise and prolongs
Water, dust and corrosion resistant
fan service life
coating in all PCB boards
Robust EMC performance due to
electromagnetic shielding tech
Intelligent fan speed control and failure
detection function reduces the noise and
prolongs fan service life
29Kohler PW 6000
(60–500 kVA)
Parallelable up to 5 MVA/MWThe best combination of Kohler PW 6000
energy efficiency, reliability Single unit capacities from 60 kVA/kW to
500 kVA/kW
and low cost of ownership Capacity up to 5 Megawatts
– capacity from 60 kVA/kW to (5 MVA/MW) with 10 units in parallel
Power density of up to 363 kW/m2
5 MVA/MW. High efficiency and minimum cost of
ownership
Low input harmonic distortion:
THDi = 3.5%
Near unity input power factor of 0.99
Fully rated output power (blade friendly)
Full front access maximises system
serviceability
Transformerless design
Three-phase UPS with unity
power delivers the best
combination of availability,
energy efficiency, overall
power performance and
lowest total cost of
ownership in its class.
Offering both intelligent energy
management and maximum power
protection it uses less energy, achieves
significant cost reductions, saves on
valuable floor space (leaving room for
revenue-earning equipment) and has a
reduced impact on the environment.
31Improved input performance Flexible batteries
Low input harmonic distortion (THDi) Bespoke configuration
Near unity input power factor Extended battery life
Reduced installation costs Front access for ease of installation
and servicing
Kohler PW 6000 manages the Total
Input Harmonic Distortion (THDi) at a low Kohler PW 6000 allows the freedom
level (3.5% at 100% load). It does this by to tailor the battery installation to the
neutralising the emission of harmonics requirements of the critical load at the
at the input of the UPS. Low harmonic lowest possible cost. By adding external
distortion saves unnecessary oversizing battery cabinets, it enables each battery
of generators, cabling and ancillary configuration to match the required
equipment (such as circuit breakers), autonomy, ensuring smallest system
avoids extra heating of input footprint and easy usability.
transformers (thus wasting less energy)
and extends the lifetime of all input Running costs are further reduced by
components. ripple-free and temperature controlled
chargers that protect batteries and
High efficiency is further enhanced by extend lifetime performance. Front
removing any requirement for additional access also aids easy installation and
phase compensating devices. servicing.
Product range
60–120 kVA 160–200 kVA 250–300 kVA 400–500 kVA
Dimensions Dimensions Dimensions Dimensions
W x D x H (mm) W x D x H (mm) W x D x H (mm) W x D x H (mm)
615 x 480 x 1954 850 x 750 x 1820 1100 x 750 x 1920 1650 x 850 x 1994
Footprint: 0.3 m2 Footprint: 0.64 m2 Footprint: 0.82 m2 Footprint: 1.4 m2
Blade friendly Space saving Connectivity
Supports high powered servers such as Reduced footprint Multiple interface options
blade servers
Valuable floor space maximised Supports monitoring and control
Supports leading power factors
Kohler PW 6000’s class-leading power Kohler PW 6000 is equipped with
Blade servers typically have a leading density (up to 363 kW/m2) is driven by multiple interfaces that can be used
power factor and this can present the UPS’s small physical footprint of for local and remote monitoring, status
problems to those UPS systems that are 0.3 m2 up to 100 kVA/kW, 0.64 m2 up to signalling, control, maintenance and
not designed to manage such loads. The 200 kVA/kW, 0.82 m2 up to 300 kVA/kW, firmware upgrade.
Kohler PW 6000 is designed to power all and 1.4 m2 up to 500 kVA/kW. As a
types of electrical loads, including high- result, substantial and valuable space
powered servers. It can provide fully savings are achieved even at the highest
rated output power to power factors power ratings.
from 0.9 leading to 0.9 lagging.
For data centres in particular, this helps
to maximise floor space for revenue-
earning servers.
32Understanding efficiency and power
AC–AC efficiency (60—120) Top-of-market 96.0% efficiency
in double conversion mode
100
96.0
reduces running costs without
95.7 95.8 95.0
95
compromising reliability. This
UPS has a very flat efficiency
90 curve so high efficiency is
reached at low load levels.
85
80
75
Linear load (cosphi = 1)
25% 50% 75% 100% load
AC–AC efficiency (160—500) With a transformerless design
and Energy Saving Inverter
100
96.0
Switching (ESIS) technology, the
95.5 95.5 95.0
95 Kohler PW 6000 delivers high
efficiency at partial and full load
90 (up to 96.0% in double
conversion online mode). This
85 level of efficiency dramatically
reduces the total cost of
80
ownership of the UPS system
75
during its life cycle.
Linear load (cosphi = 1)
25% 50% 75% 100% load
Input current total harmonic distortion (THDi) The Kohler PW 6000 actively Low harmonic distortion saves
manages the input current total unnecessary oversizing of
12
harmonic distortion (THDi) at a gensets, cabling and circuit
10 low level (3.5% at 100% load). breakers, avoids extra heating of
9.0
Kohler PW’s unique technology input transformers and extends
8 neutralises the emission of the overall service life of all
6.0 harmonics at the input of the UPS upstream components.
6 system, providing greater
4.5
reliability of operations for circuit
4 3.5
breakers and extending the
2 overall service life of the
equipment.
0
25% 50% 75% 100% load
Input power factor versus load Thanks to the near-to-unity input
1.0
power factor of 0.99, the Kohler
0.990 0.990 PW 6000 reduces the input
0.985
installation costs by enabling the
use of smaller cables.
0.960
Furthermore, it avoids the
unnecessary use of additional
0.95
phase compensating devices,
which consequently keeps the
overall UPS efficiency high.
0.9
25% 50% 75% 100% load
33Kohler PW 8000DPA
(10–200 kVA/kW)
Parallelable up to 400 kVA/kWModular UPS designed Kohler PW 8000DPA
for low and medium Capacities from 10 kVA/kW to
200 kVA/kW in 10 kVA/kW or 20 kVA/kW
power applications. modular steps
Parallelable frames up to 400 kVA/kW
Available as tower (ST) or
19” rack-mountable (RI) solutions
Fully rated output power (blade friendly);
20 kVA = 20 kW
N+1 redundancy up to 180 kVA/kW N+1
in a single frame
‘Six nines’ (99.9999%) availability
Key benefits Up to 95.5% efficiency across a wide
Individual static switches per module load range
Each module has its own display and Near unity input power factor at partial
controller and full loads (PF = 0.99 @ 100% load)
Each module has its own control logic Low input harmonic distortion
(THDiThe right solution – Advanced Decentralised Parallel Easy to replace ‘hot-swap’
Kohler PW 8000DPA is available Architecture (DPA) modules
in two versions
Distributed control and power Replace or add modules with
Kohler PW 8000DPA ST (tower) no downtime
Independent hot-swap modules
is available for high-density applications Cost effective scalability & ‘right sizing’
requiring a standard power protection No single points of failure
solution including frame, UPS, battery Simple power upgrade
and communication. This solution Decentralised Parallel Architecture (DPA)
Future proof investment
delivers power protection from means each UPS module contains all
10–200 kVA/kW (180 kVA/kW N+1) in the hardware and software required
True ‘hot-swap’ modularity enables the
10 kVA/kW or 20 kVA/kW modular steps for full-system operation. They share no
safe removal and/or insertion of UPS
to provide a maximum power density of common components so a DPA parallel
modules into a Kohler PW 8000DPA
472 kW/m2. Kohler PW 8000DPA system offers extremely high availability.
system without risk to the critical load
cabinets can be paralleled horizontally to In addition, potential single points of
and without the need to either transfer
increase the capacity up to 400 kVA/kW. failure are eliminated and system uptime
the critical load onto raw mains or
is maximised. Kohler PW 8000DPA
remove power from the critical load. This
The Kohler PW 8000DPA RI (19” rack- UPS modules can be paralleled to
directly addresses today’s requirement
mountable) solution includes UPS, provide redundancy (parallel
for continuous uptime, reducing mean
battery and communication, which can redundancy) or to increase the system’s
time to repair (MTTR).
be integrated into any 19” rack total capacity.
(independent of manufacturer) and
provides up to 80 kVA/kW (60 kVA/kW
N+1) making it ideal for integrated IT,
telecom or other applications.
Kohler PW 8000DPA ST (tower)
Up to 10 UPS modules
Slot for optional
SNMP card
Customer inputs and
volt-free outputs /
RS232 serial interface
Maintenance bypass
switch
Parallel interface
AC input terminals
AC output terminals
Battery terminal rail
Earth bar
36High reliability Blade friendly Generator friendly
Reliability maximised Supports blade servers Generator compatible
Automatic parallel redundant operation Supports leading power factors Soft start – introduces the generator
load in steps
Parallel redundant (N+1) UPS systems Blade servers typically have a leading
provide the highest level of reliability by power factor, which can present The Kohler PW 8000DPA offers a highly
ensuring that the number of UPS problems to UPS systems, particularly if effective solution when introducing a
modules in a system is a minimum of they are not designed to power such generator to the critical load. If the load
one over and above the number required loads. The Kohler PW 8000DPA is exceeds 50 per cent of the generator’s
(N) to fully support the critical load. designed to power all types of electrical standby rating, switching the load in a
loads, including blade servers. It can single step presents a number of
The Kohler PW 8000DPA is designed provide fully rated output power to dangers. To negate this, each of the
to automatically operate as a parallel power factors in the range of 0.9 leading ‘hot-swap’ modules within the Kohler
redundant system, ensuring that the to 0.8 lagging. PW 8000DPA’s modular frame come
critical load always receives the highest equipped with ‘soft start’ capability. This
level of power protection. allows the modules to be switched on
sequentially, introducing the generator to
the load in more manageable steps.
Kohler PW 8000DPA RI (19” rack-mountable)
UPS modules
Internal battery storage
RS232 serial interface
Customer inputs and
volt-free outputs
Maintenance bypass switch
Slot for optional SNMP card
Battery fuses
37High energy efficiency – low total Additionally, Kohler PW 8000DPA has a
cost of ownership near unity input power factor at full load
(and even partial loads) reducing the size
Very high operating efficiency of the input cable and fuses, thereby
saving on materials and costs.
Reduced installation and upgrade costs
Near unity input power factor and low Input current total harmonic distortion
input (THDi) – reduces running costs (THDi) of less than 3% virtually
eliminates harmonic distortion of the
The PowerWAVE 8000DPA’s high energy mains supply. This saves unnecessary
efficiency of up to 95.5% is delivered oversizing of gen-sets, cabling and
across a wide load range, significantly circuit breakers; avoids extra heating of
reducing system running costs and site input transformers; and extends the
air conditioning costs. overall lifetime of all input components.
All these benefits ensure that the Kohler
PW 8000DPA offers one of the lowest
‘total cost of ownerships’ and smallest
carbon footprints of any UPS system in
its class.
Input power factor versus load (Leading) Kohler PW 8000DPA has a near unity input
0.985 0.990 0.990
1 0.960 power factor at full load (and even partial loads)
reducing the size of the input cable and fuses,
0.8
thereby saving on materials and costs.
Input power factor
0.6
0.4
0.2
0
25% 50% 75% 100%
Load (%)
Input current total harmonic distortion (THDi) of
6.0Kohler PW 8000DPA ST
ST tower range – 10–200 kVA/kW
ST 40 – 2 modules ST 60 – 3 modules ST 80 – 4 modules ST 120 – 6 modules ST 200 – 10 modules
Dimensions W x D x H: Dimensions W x D x H: Dimensions W x D x H: Dimensions W x D x H: Dimensions W x D x H:
550 x 770 x 1135 mm 550 x 770 x 1975 mm 550 x 770 x 1135 mm 550 x 770 x 1975 mm 550 x 770 x 1975 mm
No. of internal batteries: No. of internal batteries: External battery ONLY External battery ONLY External battery ONLY
2 x 40 x 7.2/9Ah 3 x (2x40) x 7.2/9Ah
Total 80 blocks Total 240 blocks
Kohler PW 8000DPA RI
19” rack-mountable range – 10–80 kVA/kW
With batteries
RI 11 – 1 module RI 12 – 1 module RI 22 – 2 modules RI24 – 2 modules
Dimensions W x D x H: Number of batteries: 80 Dimensions W x D x H: Dimensions W x D x H:
448 x 735 x 487 mm (11 HU) 448 x 735 x 665 mm (15 HU) 448 x 735 x 798 mm (18 HU)
Number of batteries: 40 Number of batteries: 80 Number of batteries: 160
Without batteries
RI 10 – 1 module RI 20 – 2 modules RI 40 – 4 modules
Dimensions W x D x H: Dimensions W x D x H: Dimensions W x D x H:
448 x 735 x 310 mm (7 HU) 448 x 735 x 440 mm (10 HU) 448 x 735 x 798 mm (18 HU)
39Kohler PW 9000DPA
(10–250 kVA)
Parallelable up to 1.5 MVADesigned to meet the Kohler PW 9000DPA
requirements of today – Up to 250 kVA (200 kVA N+1) in a
single frame
and tomorrow. Parallelable up to 1.5 MVA
Transformerless technology
96% true online efficiency
Near unity input power factor at partial
and full loads (0.99% @ 100% load)
Low input harmonic distortion
(THDiIn today’s ‘on demand’
world, highly reliable power
protection systems are
essential to the protection of
critical data and to ensure
24/7 availability for business
applications.
Mains 1 Mains 2
Static
UPS bypass
Battery
Static
UPS bypass
Battery
Critical
load
Static
UPS bypass
Battery
Advanced Decentralised Easy to replace Future proof installation
Parallel Architecture (DPA) ‘hot-swap’ modules
Distributed control and power Replace or add modules with no Investment protection
downtime/no risk
Independent hot-swap modules
Future proof installation is assured with
Simple power upgrade
No single points of failure the Kohler PW 9000DPA’s scalability
and ability to supply the most
True ‘hot-swap’ modularity enables the
Decentralised Parallel Architecture (DPA) demanding of modern loads.
safe removal and/or insertion of UPS
means each UPS module contains all the
modules into a Kohler PW 9000DPA
hardware and software required for full
system without risk to the critical load
system operation. They share no
and without the need to either transfer
common components, so a DPA parallel
the critical load onto raw mains or
system offers extremely high availability.
remove power from the critical load.
In addition, potential single points of
This directly addresses today’s
failure are eliminated and system uptime
requirement for continuous uptime,
is maximised. Kohler PW 9000DPA UPS
reducing mean time to repair (MTTR).
modules can be paralleled to provide
redundancy (parallel redundancy) or to
increase the system’s total capacity.
42Smallest footprint Maximum availability
saves space
Extremely high power density Six nines availability 99.9999%
Uses less valuable floor space
Kohler PW 9000DPA maximises
availability by combining the benefits of
Class-leading power density of
Decentralised Parallel Architecture,
342 kW/m2 significantly minimises the
parallel redundancy and ‘hot-swap’
floor space required to accommodate
modularity with low MTTR.
the Kohler PW 9000DPA. This is
particularly important in data centres
where space must be maximised to
accommodate revenue-earning
equipment.
Vertical scalability
Horizontal scalability
High reliability Low running costs Blade friendly
Reliability maximised High operating efficiency, regardless Supports blade servers
of loading
Automatic parallel redundant operation Supports leading power factors
Reduced installation and upgrading
Parallel redundant (N+1) UPS systems costs Blade servers typically have a leading
provide the highest level of reliability by power factor, which can present
Near unity input power factor and low
ensuring that the number of UPS problems to UPS systems, particularly if
input THDi
modules in the system is a minimum of they are not designed to power such
one over and above the number required loads. The Kohler PW 9000DPA is
By delivering energy efficiency, scalable
(N) to fully support the critical load. The designed to power all types of electrical
flexibility and ergonomic design, the
Kohler PW 9000DPA is designed to loads, including blade servers. It can
Kohler PW 9000DPA offers a low total
automatically operate as a parallel provide fully rated output power to
cost of ownership and easy
redundant system, ensuring that the power factors in the range of 0.9 leading
serviceability.
critical load always receives the highest to 0.8 lagging.
possible level of power protection.
43Capacity Right sizing
120%
Cost-effective scalability
100% Ability to ‘right size’ the system over
Room capacity
time
Expected load
80%
Simple installation of new modules
Installed capacity
60%
Minimal waste UPS modules can be added in cost-
due to load effective incremental steps as the critical
matching
40% load power requirement grows. This
‘right sizing’ reduces initial cost,
20%
Actual load
optimises operating efficiency and helps
reduce total cost of ownership.
0%
0 1 2 3 4 5 6 7 8 9 10
Up to five UPS modules can be
Years paralleled in a single rack-format cabinet
to enable up to 200 kW (342 kW/m2) of
power capacity per cabinet, providing
‘vertical scalability’. If more capacity is
required, cabinets can be paralleled
providing ‘horizontal scalability’.
44AC- AC Efficiency The Kohler PW 9000DPA’s 96%
100%
true online efficiency, significantly
reduces system running costs and
96% site air-conditioning costs. This
helps reduce the organisation’s
Efficiency %
90%
carbon footprint.
85%
80%
75%
0 25% 50% 75% 100%
Load
Input power factor Near unity input power factor, at
1.00
partial and full load, reduces
the required size of the input cable
and fuses, thereby reducing the
Input power factor
materials (and costs) associated
0.80 with the system’s electrical
installation.
0.60
0 25% 50% 75% 100%
Load
THDi Input current total harmonic
6 distortion (THDi) of46
Kohler PW 9250DPA
(50–300 or 250 N+1 kVA/kW)True modular UPS for
medium power
applications in critical,
high-density computing
environments such as
small to medium-sized
data centres, plus
industrial automation The 9250DPA’s highly
efficient modular
processes and architecture offers the best
healthcare facilities. reliability for environmentally
conscious organisations
that also need zero
downtime and low cost of
ownership.
The UPS sets the standard for the next
generation of UPS progress with
advanced features such as its
transformer-free IGBT converters that
include three-level topology and
interleaving controls to enable market-
leading efficiency of 97.6 per cent.
It also supports Xtra VFI, which further
minimises power consumption by
intelligently configuring the number of
modules required to support the current
critical load. When Xtra VI is enabled, the
number of active modules required will
adjust accordingly, with modules not
needed switching to a standby state of
readiness but primed to become active
again if the load increases.
47Kohler PW 9250DPA
98.0
Five frames can be connected in parallel
for 1.5 MW total system power.
97.5
Frame-rated power 300kW or 250KW
N+1 (hosting up to six modules).
97.0
Module-rated power 50 kW. 97% efficiency reached through
wide operating range, typical
for majority of applictions
Unity power factor. 96.5
Efficient – up to 97.4% at system level.
96.0
Scaling the UPS capacity to match the Xtra VFI function Xtra VFI mode
load power is simple. increases efficiency Double conversion
Efficiency (%)
when load is low mode
95.5
Xtra VFI mode: the smart way to
enhance efficiency at low load levels.
95.0
Energy storage: lithium-ion, VRLA, NiCD
battery; common battery (per frame) or 10 20 30 40 50 60 70 80 90 100
dedicated battery for each UPS module. Load (% of rated power)
Adding redundancy to increase
availability and reliability is easy.
Rated voltage 380/ 400/ 415 Vac.
Robust ring-bus communication for
increased reliability.
Designed for even easier access to
consumable parts in order to further
improve availability and reduce mean
time to repair (MTTR).
Vertical
scalability
to 300 kW
or 250 kW
(N+1)
Horizontal scalability up to 1.5 MW
(up to 30 modules)
4850–250 kW [N+1] uninterrupted power in a single frame
The use of DPA™ (Decentralised Parallel Wiring options secure compliancy
Architecture) ensures each module has for any site installation need
all the hardware and software needed for
autonomous operation: rectifier, inverter, Supports top or bottom cable entry.
battery converter, static bypass switch,
Supports single or dual input feed.
back-feed protection, control logic,
display and mimic diagram for Separate (per module) or common
monitoring and control. If one module is battery.
lost, the others take up the load,
meaning that the system is fault tolerant
Integrated switchgears complete
and there are no single points of failure.
Uptime is guaranteed, and availability is the system
maximised.
Output isolation switch to disconnect
the UPS from downstream.
Scalability and redundancy inside
one single frame Optional maintenance bypass switch for
enhanced serviceability.
Ability to host up to six 50 kW UPS
modules with N+1 redundancy for up to
Easy to monitor and manage
250 kW N+1 clean, secured power in
single UPS cabinet with small footprint.
Intuitive, graphical system user interface.
Features DPA™ where each
Each module features dedicated display
UPS module is a comprehensive and
for module specific data access.
independent functional unit for true
redundancy. Advanced software and connectivity
options.
From 50 kW up to 1.5 MW secured power
Featuring superior 97.6 per cent UPS High efficiency and
module efficiency and 97.4 per cent proven technology
system efficiency, the 9250DPA reduces
energy losses that create pure costs as Minimises TCO by facilitating top-of-
direct electricity spend and costs for market efficiency of over 97%,
cooling. Thanks to three-level leveraging 3-level converter technology
interleaved technology, the 9250DPA and featuring efficiency optimising Xtra
achieves an efficiency of over 97 per VFI – double-conversion mode.
cent in a wide-operating range, when the
Secures highest availability thanks to
load is between 25 and 75 per cent of
inherently redundant modular concept,
nominal capacity.
with decentralised parallel architecture
(DPATM) and robust ring-bus
True modular UPS for medium
communication between modules.
power applications
Compact design saves floor space –
50 kW module-based UPS solution to 0.73m2 footprint.
medium-power commercial
applications.
300 kW UPS frame can host up to six
modules for N+1 redundancy.
Scaling of power easily and securely
from 50 kW to 1.5 MW.
49Features
DC (battery) breakers Up to 6 x 50 kW UPS module
DC breakers for energy storage Integrated UPS module with all
connection on each module UPS essential functions:
separately. rectifier, inverter, static bypass,
control logic and display.
Maintenance bypass
(optional)
Integrated MBS is available as Output isolation switch
an option for enhanced service Included in the standard
ability with single frame configuration to allow
installations. disconnection of complete
UPS cabinet from load supply.
I/O section and DC wiring Connectivity section
Wiring area has good space for Two slots for connectivity
service. Single and dual input cards, e.g. SNMP web card
feed supported as well as and relay board. USB and
common or separate battery. RS-232 communication ports.
Top or bottom cable entry Building alarm inputs/relay
supported. outputs. Connection point for
parallel system communication
cable.
User interface
System graphical display DPA module display
Touch screen interface – one per system. 240 x 128 pixel graphical display.
Interactive mimic diagram. Five-line menu.
Coloured and graphical display. Capacitive buttons/key.
Integrated buzzer for alarms. Status LED RG/RGB.
18-languages selection. Allows for easy module level data access
and module management.
Extended events log (1,000 events).
Clear system overview, measurements
and system status.
Navigation into module level, module
level measurements and status.
System level commands.
5051
Kohler PW 9500DPA
(100–500 kVA/kW)
Parallelable up to 3 MVA/MW500 kVA/kW Kohler PW 9500DPA Dimensions and clearances
modular UPS, Up to 96% true online efficiency Dimensions
designed with high Eco-mode efficiency ≥ 99% Width 1580 mm
efficiency and Cost effective scalability to ‘right size’ Depth 940 mm
system Height 1975 mm
maximum flexibility Unity power factor and low input THDi 1.49 m2 footprint
Up to 500 kVA/kW (400 kVA/kW N+1) in
at its core. a single frame
Weight (with 5 modules) 975 kg
Scalable to 3 MVA/MW Minimal clearances
Transformerless technology Front 1000mm
Hot swappable 100 kVA/kW modules Back 300mm (air outlet)
Low total cost of ownership
Total vertical and horizontal
99.9999% (six nines) availability
scalability using hot swap
Small footprint/high power density
modularity.
Unity power factor (kW = kVA)
Low input harmonic distortion
Key benefits
(THDiHot swappable modules
Replace or add modules with
no downtime
Simple power upgrade
Future proof investment
True ‘hot-swap’ modularity enables the
safe removal and/or insertion of UPS Hot swappable
modules into a Kohler PW 9500DPA module
system without risk to the critical load
and without the need to either transfer
the critical load onto raw mains or
remove power from the critical load.
Modules can be replaced or added
without any system downtime. Simple
power upgrades are therefore possible
as the critical load power requirements
grow. Additionally, modules can easily
be removed for service or replaced if
faulty without compromising the Graphical touchscreen
availability of the system. system display
Kohler PW 9500DPA UPS 500 kVA/kW 500 kVA/kW
Vertical scalability
54Six nines availability Advanced Decentralised Parallel Graphical touchscreen display
Architecture (DPA)
99.9999% availability Distributed control and power System level display
Independent hot-swap modules Individual module displays
By combining the benefits of
Decentralised Parallel Architecture, No single points of failure
The 7” colour touchscreen display
parallel redundancy and hot swap
provides a clear overview of the UPS at a
modularity, Kohler PW 9500DPA has a Decentralised Parallel Architecture (DPA)
system level. Graphical and intuitive, the
high mean time between failure (MTBF) means each UPS module contains all the
display provides easy navigation to drill
and a much reduced mean time to repair hardware and software required for full
down on the performance and status of
(MTTR). This delivers six nines system operation. They share no
the individual modules within the
availability – a highly desirable quality common components so a DPA parallel
system. Additionally, each module has
required by data centres in pursuit of system offers extremely high availability.
its own display.
zero downtime. In addition, potential single points of
failure are eliminated and system uptime
is maximised. UPS modules can be
paralleled to provide redundancy
(parallel redundancy) or to increase the
system’s total capacity.
Top cable entry
Smart connection
interface
Optional inbuilt
maintenance
bypass switch
Individual module
isolator
Inbuilt backfeed
protection
Bottom cable entry
55Scalable up to 3 MVA/MW Input and output characteristics
Vertical and horizontal scalability Power vs power factor
Cost effective ‘right sizing’ 100
No derating in the range
Kohler PW 9500DPA can be scaled 0.9 leading to 0.6 lagging
75
vertically in 100 kVA/kW modular steps
to provide up to 500 kVA/kW of power in
a single frame. This enables power to be 50
added as requirements grow, without the
impact on footprint. Horizontal
25
scalability is also possible, with up to
six frames in parallel, to increase total kVA
kW
power up to 3 MVA/MW. This two- 0
dimensional scalability means that there -0.8 -0.9 1.0 0.90 0.80 0.70 0.60
cosphi
is no need to overspecify the original
configuration, as modules and/or frames
can be added to optimise the power Input power factor
requirements and increase/decrease
1.00
power to meet future requirements.
Near unity input power factor, at
partial and full load, reduces
Input power factor
0.80 the required size of the input cable
and fuses, thereby reducing the
materials (and costs) associated
0.60 with the system’s electrical
installation.
0 25% 50% 75% 100%
Load
Scalable up to 3 MVA/MW
Vertical scalability:
one to five modules in one single cabinet
Horizontal scalability:
six cabinets in parallel configuration up to 3 MVA/MW
5657
Kohler MF1500 DPA
(250–1500 kVA/kW)
Scalable to 6000 kVA/kWExceptionally resilient, flexible Kohler MF1500 DPA
and scalable high power Online double conversion UPS
modular UPS offering 250 kW to 1500 kW -
best-in-market VFI mode
parallelable to 6000 kW
Slide-in vertical modules
energy efficiency. Redefines Cable free internal connections
Extra-long life wear parts
lifetime cost for data centres Market leading 97.4% efficiency
and other high density
applications without
compromising reliability.
Innovation with purpose.
Designed with a clear goal to define that
reliability does not require excess, and
high power can exist alongside efficient
use of energy, the MF1500 DPA modular
UPS system combines proven DPATM
technology with the latest advances in
components and software.
Innovative, vertical slide-in modules
enable resilient, high power density
protection by reducing UPS footprint up
to 45% over traditional approaches,
without compromising access for
installation and maintenance.
That protection is achieved with best-in-
market 97.4% VFI energy efficiency,
reducing environmental impact,
optimising PUE measures and delivering
significant financial savings in energy
and cooling costs.
59DPATM – Resilient. Reliable. Effective efficiency.
Flexible.
Advanced components enable the
Decentralised Parallel Architecture MF1500 DPA to deliver the best energy
(DPATM) products contain all the essential efficiency in its class, up to 97.4% at
components of a UPS within each system level in VFI mode (i.e. Voltage
module, including the static switch, and Frequency Independent, the
allowing independent operation most commonly used and most
protective mode)
DPATM modules can be hot-swapped
without affecting the rest of the system, Plus, design focus to ensure efficiency
easing maintenance, reducing system can be effectively used, means 97.4%
repair times to minutes and dramatically efficiency is not solely delivered in a
increasing availability narrow sweet spot but across a wide,
practical load band
With 1000 kW and 1500 kW frame
size options and 250 kW modules, Effective use of energy efficiency is
systems can be sized for an initial load enhanced further by Xtra VFI mode
and scaled up or down depending on functionality. Often when load falls
future requirements below 25%, UPS efficiency rapidly
deteriorates. By automatically
For flexibility and additional resilience, adjusting the number of active modules
each DPATM module can be fed from an according to load and redundancy
independent or common battery system requirements, and reverting unneeded
modules to standby, Xtra VFI avoids this.
Intelligent switching rotates active
modules, equalising aging and
extending service life
DPA modules – each contains all components
of a UPS
A 1.5MW MF1500 DPA system with six 250 kW modules flanking the central connections cabinet
60In a 1.5 MW installation,
over 10 years the
0.7% extra efficiency of
the MF1500 DPA vs a
competitor at 96.7% can
save over US$240k in
electrical and cooling costs.
Engineered. Inspired. Informed.
Designed for ease of use from the first An advanced visual interface and display Additional control and monitoring
moment of installation, module cabinets allows an operator to observe features include:
are easily transported to the UPS and performance, events and alarms • I/O dry ports
slide into place on integrated wheels onscreen, including battery voltage, UPS • Remote shutdown
To make them easy, safe and error free,
output and critical component status • Castell interlock function
wired connections are entirely Comprehensive control and monitoring • Battery temperature input
eliminated by use of slide-in modules keeps operators and service teams plus compatibility with Kohler’s battery
and innovative, pre-engineered power fully informed. Information can be management and monitoring systems
and distribution frames accessed remotely via SNMP, Modbus
TCP/IP or Modbus RS-485 and
Advanced design maximises life of
integrated with associated systems
consumables, eg fans and capacitors,
e.g. BMS, DCIM or EPMS
with replacement only once in a
15-year period
Recognising pressure on space,
intelligent physical design delivers
a power density of up to 493 kW/m2, 98.0
some 45% better than traditional
Double conversion measured efficiency (%)
approaches, without compromising
97.5
access
97.0
97% efficiency reached through
wide operating range, typical
for majority of applictions
96.5
Xtra VFI mode
Double
conversion mode
96.0
Xtra VFI function
increases efficiency
when load is low
95.5
95.0
10 20 30 40 50 60 70 80 90 100
Load (% of rated power)
61Modes
Eco-mode supplies having sufficient capacitance
to ‘ride through’ the switch between
mains and inverter, and vice versa, and
In Eco-mode, power is fed directly from
prevent the UPS supplying a transient
the utility mains to the load during
inrush current to restore lost energy
normal operation, so removing the
after an outage. Otherwise, line
rectifier and inverter inefficiencies. If a
impedance between the UPS and
mains problem is detected, the critical
power supplies may cause this current
load is switched to the UPS’s inverter
to create a significant power supply
output.
input voltage drop.
While Eco-mode’s efficiency can reach
For these reasons, users should
99% or more, it exposes the load to any
consider the benefits of increased
incoming mains problems throughout
operating efficiency vs the extra
most of its operational life. Additionally,
requirements and risk associated with
it relies on the load’s IT equipment power
operating in Eco-mode.
Xtra VFI: maximum Key benefits
With Xtra VFI mode enabled, the Kohler
efficiency – even Xtra VFI scales the UPS module active
capacity according to the load to
PW 9500DPA automatically adjusts the
number of active modules according to
maximise efficiency
when underloaded. The system calculates the optimal %
the load requirements. Modules that are
not needed are switched to standby but
remain in state of readiness, primed to
value for maximum efficiency, taking into
kick in and transfer to active mode if the
account desired redundancy
load increases or the mains fails. The
When a UPS is operating The redundancy level for active capacity efficiency improvements achieved by
significantly under capacity, and the highest expected load step can this mode of operation are especially
its energy efficiency can be be configured by the user to guarantee
highest protection level
significant when the load is less than
25% of full UPS system capacity.
negatively impacted. With In case of mains failure or alarm, Xtra VFI
Kohler PW 9500DPA, gets deactivated automatically all
In addition, Xtra VFI has the added
benefit of rotating modules between
featuring Xtra VFI, this modules switch to ‘Active’ status
active and standby, therefore extending
problem is solved. Module rotation between active and the service life of the UPS.
standby extends the service life and
stabilises aging
98%
96.1% 96.0%
Xtra VFI 96% 95.6%
95.8%
94%
Maximum load 800 kW
92%
Redundancy N+2 Increased UPS efficiency – more energy savings
Efficiency
90%
2 x 500 kW frames (10 x 100 kW)
88%
Load power 200 kW
86%
No. of active modules 4 Xtra VFI VFI double-conversion
84% operating range default operating mode –
Active capacity 400 kW where efficiency up to 96.1% efficiency
82% is enhanced
Standby capacity 600 kW
80%
0%
%
%
%
%
%
%
%
%
%
10
20
30
40
50
60
70
80
90
10
Load
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