Precision Devices for the Rail Industry
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Reliable
high-voltage and current measurement, Precision Devices
for the Rail Industry
high-precision energy metering,
safe signal isolation
Whether it’s infrastructure or rolling stock –
Fulfills these rail-specific standards:
Subject Standard/Directive
we are the high voltage experts. Fire protection (HL 3) EN 45545-2
And we know all about current, energy Use on rolling stock
Temperature class TX
EN 50155
EN 50155,
and speed. Altitude class AX
Use in traction power substations
EN 50125 -1
EN 50123-1
For over 40 years, Knick has been a part- Precision and reliability – And to us, precision also means that each Reliability EN 61709 (SN 29500)
ner of the German and international rail Made in Germany individual product property is perfectly
industry. VariTrans P 40000 high voltage tuned to the measurement task. After Resistance to vibration EN 61373
transducers improve traction power supply Signal conditioners and transmitters from all, this is the prerequisite for the overall and mechanical shock (rail applications)
availability and security. Knick deliver the signals required for down- system being able to reliably carry out its
stream processes – interference-free and function. EMC for rail applications EN 50121-1, EN 50121-3-2,
Used worldwide for many years, these with high precision at all times. and industrial applications EN 61326-1
high-precision devices have become an
Protective measures with regard to electrical hazards EN 50153
integral part of substations. The precise, robust devices from Knick
meet the rail industry’s special standards- Isolation coordination for rail and industry EN 50124-1, IEC 62497-1,
The new ProLine P 50000 and P 16000 related and functional requirements. EN 50123-1, EN 50178,
product series are based on this experi- UL 347
ence. They are especially designed for use
on rolling stock – for voltage and current Protection against electric shock EN 61140 or
measurement, signal isolation and signal EN 50124-1, IEC 62497,
conversion. EN 50178
Fields of Excellence in Rail Technology
Voltage and Current Measurement Signal Isolation Voltage and Current Measurement
Rolling Stock Rolling Stock DC Traction Power Supply
Energy Metering EN 50463
750 V DC
1500 V DC
3000 V DC
U I
ProLine P 51000 Switchgear
ProLine P 52000
Multiplication AC Medium Voltage Rectifier Rectifier Stray
Voltage Standard Transformer
Protection Incremental Switchgear Breaker Current Detection
Presence Detection Signal Conversion
Speed Encoder
U I U U I I U
U
ProLine P 51000 ProLine P 41000, ProLine P 41000
ProLine P 52000 ProLine P 16000 ProLine P 16000 ProLine P 42000
ProLine P 52000 P 42000, P 44000 ProLine P 42000
Traction Feeder Negative Frame Fault Voltage
4 Quadrant Chopper Disconnector
Inverter Breaker Disconnector Detection Limiting Device
U
I I U I U U I I
U I
Signaling/Monitoring/Control
ProLine P 41000 ProLine P 41000 ProLine P 41000
ProLine P 52000 ProLine P 41000 ProLine P 52000 VPD
ProLine P 42000 ProLine P 42000 ProLine P 42000
Auxiliary Energy
Power Converter Negative Earth SCADA Supercaps
Recovery U
Voltage Measurement
U
=
=
I
Current Measurement
I I U U I I U
U
High-Voltage Temperature
ProLine P 51000 ProLine P 41000 ProLine P 41000, ProLine P 41000, Measurement
ProLine P 42000
ProLine P 52000 ProLine P 42000 P 42000, P 44000 P 42000, P 44000
Galvanic Isolation
Voltage and Current Measurement Energy Measurement in Accordance
Rolling Stock With EN 50463
ProLine P 51000 Current Sensor
ProLine P 52000 Voltage Sensor
• Energy Measurement System
Highly precise and Time Reference Source
Location Reference Source
Settlement System
reliable energy detection.
Energy measurement systems for rolling stock ProLine P 52000 voltage sensors feature And Knick sensors continuously monitor
must fulfill the EN 50463 standard. But without a compact design. High-voltage contacts themselves. If an error occurs, a message is
precise, reliable current and voltage measure- and connections are encapsulated. There is generated immediately.
ment, recorded consumption data is half as no danger of interaction with other com- ProLine ProLine Communication Communication
useful. ponents. When dimensioning, additional Of course ProLine P 50000 meets the Function Function
space between junction blocks is no longer current standards for use on rolling stock – Current Measurement Voltage Measurement
Function Function
ProLine P 50000 was systematically devel- needed: ProLine P 52000 functions with whether it’s shock and vibration, EMC,
oped according to EN 50463. In addition, it is complete safety even in very small installa- temperature range or fire protection. And
immune to all regular interference. The result: tion spaces. galvanic 3-port isolation between input,
consistently high data quality. output, and power supply is also a matter of Data Collection System
Energy Calculation Function Data Handling System
(DCS)
Both the current and voltage sensors feed course.
Current measurement with the new ProLine standard signals into the energy measure-
P 51000 transducer is based on a process ment system. Special solutions at the inputs Energy Measurement Data Handling System (DHS)
that uses a shunt resistor. Even strong electro- of the evaluator unit are not necessary. This Function (EMF)
magnetic fields cannot influence the mea- means no more dependency on sensor
surement result. This yields highly precise manufacturers.
current detection. On-board (traction unit) On-ground
Functional energy measurement system layout and data flowchart in accordance with EN 50463High-Voltage and Rolling Stock and
Current Measurement DC Traction Power Supply
ProLine P 51000 Current Sensor ProLine P 52000 VPD
ProLine P 52000 Voltage Sensor High Voltage Presence Detector
• Traction Inverters • Protection/ • Voltage Limiters • Access Protection
• Auxiliary Power Converters Short Circuit Detection • Circuit Breaker Actuation • Track Alive Detection
Flexibly measure high voltages Reliably monitor and
and currents. report high voltage.
Components for use in rolling stock must as well as to EMC and extreme ambient by zero stability, linearity, long-term stability, ProLine P 52000 VPD is designed to detect set threshold value, a solid state relay opens, safety device or controller. The signal levels are
meet the toughest requirements. ProLine conditions. pulse fidelity and immunity to interference. voltages between 50 and 4200 V. The input signaling the presence of voltage at the based on type 1, EN 61131-2 PLC signal inputs.
P 50000 sensors are flexible high-voltage The 3-port isolation between input, output, signal is compared to a threshold value and input.
transducers in a rugged, compact design. The circuit design and device construction of and power supply prevents measurement the resulting binary information is galvani- Ten default threshold values can be selected
They can be flexibly adapted to the measur- the ProLine P 50000 series guarantee out- errors due to galvanic connections between cally isolated and transmitted to the output The signal of the solid state relay can control using the rotary switches on the front of the
ing task at hand. standing output quality. This is characterized the output signal and the power supply. circuit. When the input voltage exceeds the a hardware relay, for example, or be fed into a device. User-defined values are also provided.
The P 50000 series is certified in accordance
ProLine P 52000 Block Diagram Solid State Switching Behavior
with rail industry standards. Their high avail-
750/1500/3000 V DC Uin
ability in mobile applications is ensured by a
particularly rugged electrical and mechanical
concept designed to deliver safety. ProLine P 51000 ProLine P 52000 ProLine P 52000 VPD
+ + +
+ +
Standard signal Standard signal
– –
Based on decades of experience in the field IN IN IN
Shunt
OUT Monitor + OUT Monitor + OUT
± 30 mV
of industrial measurement technology and – –
Diagnostics Diagnostics
traction power supply, the developers at POWER POWER POWER
– – –
Knick have specifically designed the new
M
series for use on rail vehicles. This applies to 24 ... 230 V AC/DC
24 ... 230 V AC/DC 24 ... 230 V AC/DC
electrical safety (isolation) and fire protection,
-Uth Uth Uintegrity
y In Le
et v
af e
S
l
Signal Isolation SIL 2
IEC 61508
Rolling Stock
ProLine P 16000
• Decoupling of Signals
from Safety-Related Circuits
• Doubling of Standard and
Impulse Signals
The process can be very easy – SIL Circuit
and save money and time.
Safety
Controller
5 V TTL/24 V HTL
Many systems in and on rolling stock require If additional systems need to process speed With the new P 16000 product line, Knick
information on the current speed at any information, additional speed encoders are provides an extremely simple solution. Incremental No interaction
given time. They include brake systems and usually mounted on the vehicle axles. But The signal of an existing speed encoder is Speed Encoder SIL 2
drive technology, two systems that are key space is limited there. And installation and decoupled and made available for other
to functional safety. This is why the speed wiring are an investment in money and time. applications. The process is non-interacting
ProLine P 16000
encoders available to the speed signal must in accordance with safety level SIL 2. The
function reliably and precisely. speed encoder signal is neither influenced
nor interfered with on its way to the eva- SIL 2
luator.
0/4 ... 20 mA, Supporting
Of course, our P 16000 sensors meet all 0 ... ± 10 V System
of the current standards for use in rolling
stock – whether it’s shock and vibration, EMC,
temperature range or fire protection.
Decoupling of signals from
safety-related circuits (example)
Power supply 24 ... 110 V DCVoltage and Current Measurement
DC Traction Power Supply
VariTrans P 41000 und P 42000
Play it safe with technology that’s • Protection of DC Substations
for Traction Power Systems
• Rectifiers, Circuit Breakers,
Surge Arresters
been proven 100,000 times over. • Line Testing, Frame Leakage
Protection
• Energy Recovery,
Energy Storage
Substations for DC power supply have rated Our high-voltage transducers meet the VariTrans P 41000 and P 42000 have proven
powers as high as the upper single-digit requirements for measurement and signal their value in DC traction power supply sub-
MW range. Substations and the grid sections processing: VariTrans P 41000 for current stations worldwide. You’ll be playing it safe
they supply must be effectively safeguarded measurement via shunt resistor and with the two measuring devices. A compre-
against short circuits. The protection mech- VariTrans P 42000 for direct voltage mea- hensive evaluation of their years of use found
anism must reliably interrupt high levels of surement up to 3000/3600 V DC. that the mean time between two failures
current as they occur, limiting the power that (MTBF) is 2,165 years.
flows into the short circuit. The use of highly insulating solids – includ-
ing solid casting – ensures reliable galvanic
The protective device must measure current isolation. The circuit design is dimensioned
and voltage in order to execute algorithms for quick, high-precision signal transmission.
for short-circuit detection. This requires high The transducers are extremely resistant to
voltage transducers that measure quickly external fields and common-mode disturb
and precisely while withstanding high loads. influence. This avoids false-positive short-
They must master voltages between 750 and circuit detection (traction power supply
3000 V DC, including temporary surges in the interruptions without short circuits), which
case of energy recovery for braking trains, for is another significant yet undesirable disrup-
example. tion of operations.Put precision and
reliability in your trains.
Knick is a reliable partner that has always Alongside its headquarters in Berlin, Knick
been known for achieving high techno- has subsidiaries in the US, Brazil, China,
logical levels and constantly striving for Switzerland and France. Knick is repre-
innovation. One in four Knick employees sented by partners in 39 other countries.
works in the Research & Development
Department. The Knick service team would be happy
to explain further details on measuring
Based on its many years of experience devices for rolling stock and infrastructure.
in developing interface technology for a
spectrum of sectors such as power genera-
tion, steel processing, process automation,
etc., Knick provides top quality that is Phone: +49 30 80191-0
mature down to the details and maximum
product reliability and service life. E-mail: info@knick.deInterface Technology Transducers for Railway Applications High Voltage Transducers Universal Isolated Signal Conditioners Isolated Standard Signal Conditioners Temperature Transmitters Knick Elektronische Messgeräte GmbH & Co. KG Beuckestrasse 22, 14163 Berlin, Germany Phone: +49 30 80191-0 Fax: +49 30 80191-200 info@knick.de · www.knick.de TP-212.000 Bahn EN 1000 Subject to change!
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