The new Wärtsilä Eco-Friendly tug - Reducing emissions through innovative tug design
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Reducing emissions through innovative tug design
The new Wärtsilä Eco-Friendly tug
Asian Tug Technology & Salvage Conference
18th-19th September 2017
1 © Wärtsilä PUBLIC 12.10.2017 [Wärtsilä Eco-Friendly Tug/ Ngoh]
FACTOR TRENDS: ENVIRONMENT
Reducing Emission
ECO
Friendly in Tug Industry
LOCAL LOCAL
Acid rains Acid rains
NOx Tier II
Tier III SOx Sulphur content in fuel
SECA
LOCAL GLOBAL
Particulate Greenhouse effect
matter
Direct impact on humans
Locally regulated CO2 Under evaluation by IMO
EEDI
2 © Wärtsilä PUBLIC 12.10.2017 [Wärtsilä Eco-Friendly Tug/ Ngoh]
WÄRTSILÄ HYTUG SERIES ECO-FRIENDLY DESIGN
Wärtsilä HYTug Series
Operation Features:
• To assist in the berthing and un-berthing operation of vessels calling at ports/ terminals
• To perform towing, ship handling operation in Ports/ terminals
• Escorting at high speed (for escort tug version)
• Fire-Fighting (optional)
3 © Wärtsilä PUBLIC 12.10.2017 [Wärtsilä Eco-Friendly Tug/ Ngoh]
WÄRTSILÄ HYTUG SERIES
Optimized Hull:
• Low Hull resistance
• High towing/ escort performance
• Good sea keeping
• High Maneuverability
DESIGN
HIGHLIGHTS
• Optimizing of hull shape & appendages
with the use of CFD for:
1. Improving hull resistance
2. High towing/ escort performance
• Verification with model test.
4 © Wärtsilä PUBLIC 12.10.2017 [Wärtsilä Eco-Friendly Tug/ Ngoh]
WÄRTSILÄ HYTUG SERIES
Construction:
• Distinctive design outlook
• Safety & comfort for crew
• Building & maintenance
friendliness
DESIGN
HIGHLIGHTS
5 © Wärtsilä PUBLIC 12.10.2017 [Wärtsilä Eco-Friendly Tug/ Ngoh]
DESIGN HIGHLIGHTS
High visibility
wheelhouse design
6 © Wärtsilä PUBLIC 12.10.2017 [Wärtsilä Eco-Friendly Tug/ Ngoh]
DESIGN HIGHLIGHTS
Side Shoulders
Semi-enclosure for
bow winch
7 © Wärtsilä PUBLIC 12.10.2017 [Wärtsilä Eco-Friendly Tug/ Ngoh]
DESIGN HIGHLIGHTS
Modular Hybrid propulsion
MECHANICAL-HYBRID ELECTRICAL-HYBRID
SHAFT M/G
Generating set
Main engine with clutch
Energy storage system
In-line shaft generator/motor
DC link and power drives
Energy storage system
Energy Management System
DC link and power drives
Thrusters, thruster motors & propulsion
Energy Management System
controls
Thrusters, shafting & propulsion controls
8 © Wärtsilä PUBLIC 12.10.2017 [Wärtsilä Eco-Friendly Tug/ Ngoh]
DESIGN HIGHLIGHTS
Class Approval-in-Principle
Notation for Harbour Tug
A1, Towing Vessel, FFV1, AMS, ABCU, BATTERY-Li
Notation for Escort Tug
A1, Towing Vessel, Escort Vessel, FFV1, AMS, ABCU, BATTERY-Li
Notation for Harbour Tug
I HULL,MACH , Tug, Fire-fighting Ship 1, AUT-CCS, ELECTRIC HYBRID, Unrestricted Navigation
Notation for Escort Tug
I HULL,MACH , Escort Tug, Fire-fighting Ship 1, AUT-CCS, ELECTRIC HYBRID, Unrestricted Navigation
Notation for Harbour Tug
Lloyd’s 100A1, LMC, Tug, CCS, Fire-fighting Ship 1
Register Notation for Escort Tug
100A1, LMC, Escort Tug, CCS, Fire-fighting Ship 1
With MLC2006 compliance
9 © Wärtsilä PUBLIC 12.10.2017 [Wärtsilä Eco-Friendly Tug/ Ngoh]
WÄRTSILÄ HYTUG SERIES
Operation Features:
• To assist in the berthing and un-berthing
Construction: operation of vessels calling at ports/ terminals
Optimized Hull: • Distinctive design outlook • To perform towing, ship handling operation in
• Low Hull resistance • Safety & comfort for crew Ports/ terminals
• High towing/ escort performance • Building & maintenance • Escorting at high speed (for escort tug version)
• Good sea keeping friendliness • Fire-Fighting (optional)
• High Maneuverability
DESIGN
HIGHLIGHTS New high visibility
wheelhouse design
Summary
Semi-enclosure for bow winch
Modular Hybrid propulsion
Side shoulders
MLC2006 compliance
Class Approval-in-Principle: Lloyd’s
Register
10 © Wärtsilä PUBLIC 12.10.2017 [Wärtsilä Eco-Friendly Tug/ Ngoh]WÄRTSILÄ HYTUG SERIES MAIN PARTICULARS
WÄRTSILÄ HYTug 50H WÄRTSILÄ HYTug 75H WÄRTSILÄ HYTug 75E
Type Harbour Harbour Escort
Bollard Pull 50t BP 75t BP 75t BP
Length Over All (Excluding 28.00 m 29.50 m 35.40 m
Fenders)
Beam (Excluding Fenders) 10.80 m 11.60 m 14.00 m
Depth, moulded 4.70 m 5.54 m 6.70 m
Draught, Design 3.50 m 4.00 m 4.60 m
Complement (Max) 8 pax 10 pax 12 pax
Gross Tonnage (GRT) < 400 < 500 > 500
Service Speed 12 knots 13 knots 13 knots
11 © Wärtsilä PUBLIC 12.10.2017 [Wärtsilä Eco-Friendly Tug/ Ngoh]WÄRTSILÄ HYTUG SERIES PROPULSION CONFIGURATION
WÄRTSILÄ HYTug 50H WÄRTSILÄ HYTug 75H WÄRTSILÄ HYTug 75E
Propulsion Configuration Wärtsilä HY [DM] Wärtsilä HY [DE] Wärtsilä HY [DM]
Main engines 2 x W6L20E 2 x W8L20 2 x W8L20E
[2 x 1320kW @ 1200rpm) [2 x 1520kW @ 1000rpm) [2 x 1760kW @ 1200rpm)
Energy storage 300 kWh 500 kWh 400 kWh
[3C rating] [3C rating] [3C rating]
Propulsion 2 x WST-16 CPP 2 x WST-24 FPP 2 x WST-24 CPP
[Dia. 2.20m] [Dia. 2.80m] [Dia. 2.80m]
Shore connection 80 kWe 80 kWe 80 kWe
Auxiliary gensets 1 x 99 kW - 1 x 250 kW
[High Speed, Non-Wärtsilä supply] [High Speed, Non-Wärtsilä supply]
Bollard pull range & design requirement are customisable according to different customers needs.
12 © Wärtsilä PUBLIC 12.10.2017 [Wärtsilä Eco-Friendly Tug/ Ngoh]SINGLE LINE DIAGRAM
Wärtsilä HYTug 75H Wärtsilä HYTug 75E
Diesel Electric Hybrid configuration Diesel Mechanical Hybrid configuration
Battery Capacity:
75TBP - 400kWh
W8L20 Sum Battery Capacity: W8L20
Battery
1600kWM 75TBP - 500kWh 1600kWM
1000rpm 1000rpm
Battery Battery
G G DC
DC DC W8L20E W8L20E Aux. Gen
1760kW 1760kW 250kW
1200rpm 1200rpm Shore 180 0rpm
Connection
Shore
G
500kVA
Connection
150kVA
Emerge ncy 440V/60Hz
Batteries
M M 440V/60Hz
Feeders Em. Gen
97KW
180 0rpm
Feeders G
PTI / PTO 50kVA
Transit: 460kW @ 760rpm
Em. 24V/DC
50kVA Boost: 415kW @ 1200rpm
WST24 WST24 Generator: 540kW @ 890rpm M M 230V/60Hz 230V/60Hz
2075kW 2075kW
2.8m 2.8m 230V/60Hz
Feeders Feeders
Feeders
WST24 WST24
2175kW 2175kW
2.8m 2.8m
13 © Wärtsilä PUBLIC 12.10.2017 [Wärtsilä Eco-Friendly Tug/ Ngoh]HARBOUR TUG TYPICAL OPERATING PROFILE
30%
Mode Annual Annual
Time Time
(%) (Hours/year)
25,90%
25% Steaming Max (13 knots) 0.1 3
25%
Transit high (12 knots) 3 94
Transit Eco 1 on Battery (10 11 343
20% knots)
Transit Eco 2 on Battery (8 knots) 11 343
% Time
15% Peak Load (Max BP) 2 62
12% Medium Assist 12 374
11% 11%
10%
10% Low Assist 25 780
Loitering- Standby/ Loitering- on 25.9 808
Battery
5% Harbour – Standby/ Harbour- 10 312
3% Standby on battery
2%
Total: 100% 3120
0,10%
0%
Steaming Transit high Transit Eco 1 Transit Eco 2 Peak Load Medium Low Assist Loitering- Harbour –
Max (12 knots) on Battery on Battery (Max BP) Assist Standby/ Standby/
(13 knots) (10 knots) (8 knots) Loitering- on Harbour-
Battery Standby on
battery
14 © Wärtsilä PUBLIC 12.10.2017 [Wärtsilä Eco-Friendly Tug/ Ngoh]OPERATING MODE HARBOUR STANDBY ON BATTERY
ESS AC SWB
ENGINE
ENGINE
= ≈
= =
DC LINK
M/G
= = M/G
≈ ≈
All-electric mode
Both engines off,
all power from batteries:
Zero Emission
15 © Wärtsilä PUBLIC 12.10.2017 [Wärtsilä Eco-Friendly Tug/ Ngoh]OPERATING MODE ECO TRANSIT 8-10 KNOTS
ESS AC SWB
ENGINE
ENGINE
= ≈
= =
DC LINK
M/G
= = M/G
≈ ≈
Green mode
Both engines off,
all power from batteries:
Zero Emission
16 © Wärtsilä PUBLIC 12.10.2017 [Wärtsilä Eco-Friendly Tug/ Ngoh]OPERATING MODE LOITERING STANDBY/ WAITING
ESS AC SWB
ENGINE
ENGINE
= ≈
= =
DC LINK
M/G
= = M/G
≈ ≈
Start & stop
Low state of charge:
engine provides power
and recharges batteries
17 © Wärtsilä PUBLIC 12.10.2017 [Wärtsilä Eco-Friendly Tug/ Ngoh]OPERATING MODE LIGHT/ MEDIUM ASSIST
ESS AC SWB
ENGINE
ENGINE
= ≈
= =
DC LINK
M/G
= = M/G
≈ ≈
Peak shaving
Both engines providing
power, batteries taking
sudden load peaks,
Instant Load taking
18 © Wärtsilä PUBLIC 12.10.2017 [Wärtsilä Eco-Friendly Tug/ Ngoh]OPERATING MODE PEAK LOAD (MAX BP)
ESS AC SWB
ENGINE
ENGINE
= ≈
= =
DC LINK
M/G
= = M/G
≈ ≈
Power boost
Batteries and engines
providing power
simultaneously
19 © Wärtsilä PUBLIC 12.10.2017 [Wärtsilä Eco-Friendly Tug/ Ngoh]75T BP HARBOUR TUG COMPARED PERFORMANCE
WÄRTSILÄ Conventional Tug
DM High Speed
WÄRTSILÄ HYTug WÄRTSILÄ HYTug
Conventional Tug DM W8L20E + 400 kWh DE W8L20 + 500 kWh
DM Medium Speed
Total Installed Mechanical
Power Ref Similar to Ref -16.8% -26.4%
Power boost
Not available Not available +1200 kW +1500 kW
Duration of Max BP with
Power boost Not available Not available Min. 15 mins Min. 15 mins
Response
Load ramps Load ramps Instant Instant
Smoke
At start / load taking At start / load taking Zero Zero
Green mode
Supported by Start&Stop Not available Not available Yes Yes
Duration of Eco Transit
Mode Not available Not available 20-45 mins 25-55 mins
Main Engines Running
Hours Ref Similar to Ref -32.9% -58.3%
Maintenance costs More cyl-hours, shorter Less cyl-hours, longer Less cyl-hours, longer
Ref
TBOs TBOs TBOs
20 © Wärtsilä PUBLIC 12.10.2017 [Wärtsilä Eco-Friendly Tug/ Ngoh]75T BP HARBOUR TUG COMPARED FUEL EFFICIENCY & EMISSION
120% +16%
116,3%
115%
110%
105%
100
Fuel Consumption (%)
100,0%
100% 90
80
Emission Values (%)
95%
-11% 70
90% 88,7% 60
50
85% -22% 40
80% 78,1% 30
20
75%
10
70% 0
High Speed Wärtsilä Wärtsilä HYTug Wärtsilä HYTug
DM - FPP Conventional DM – CPP DE – FPP
DM - FPP
The efficiency comparison has been performed based on fuel consumption per kW of power -23% -40% -22% -48%
delivered to the thrusters, and all losses (mechanical and electrical) in the different
alternatives are taken into account.
21 © Wärtsilä PUBLIC 12.10.2017 [Wärtsilä Eco-Friendly Tug/ Ngoh]WÄRTSILÄ HYTUG SERIES CUSTOMER VALUES
Operational costs
Performance Reduced maintenance costs
(less cylinder-hours, reduced stress to components)
Continuous EMS tuning
Reduced fuel consumption
Easy EMS expansion
Green image
Weight & Volume Green mode (zero emission)
Start & stop
Less cylinders Smokeless operations
GA flexibility
Bollard pull Interfaces with supplier
Power boost for higher tbp Wärtsilä as the single supplier
from energy storage In-house integration
Single set of documentation
Safety & Reliability Reduced interfaces
Less commissioning days
Built-in redundancy
Guaranteed performance
Back-up logics
Instant load taking Life-Cycle Support
Service agreements
22 © Wärtsilä PUBLIC 12.10.2017 [Wärtsilä Eco-Friendly Tug/ Ngoh] * ...WÄRTSILÄ HYTUG IN ACTION 23 © Wärtsilä PUBLIC 12.10.2017 [Wärtsilä Eco-Friendly Tug/ Ngoh]
WÄRTSILÄ LNGTUG SERIES ECO-FRIENDLY DESIGN
Wärtsilä LNGTug 55H
MAIN DATA WÄRTSILÄ SUPPLY
LOA: 28.80 m Main Engine (Dual Fuel): 2 x 1665 kW
Bollard Pull: 55 T Thruster: 2 x WST-18
GRT: 495 Wärtsilä LNG Pac
Speed: 12 knots
Lloyd’s
LNG Tank Capacity: 25 m3 Approval-in-Principle: Register
Accommodation: 4
LNGTug main particulars and bollard pull range are customisable according to different customers requirement.
24 © Wärtsilä PUBLIC 12.10.2017 [Wärtsilä Eco-Friendly Tug/ Ngoh]WÄRTSILÄ LNGTUG SERIES HIGHLIGHTS & CUSTOMER VALUES
-25% Emission
values [%]
100
90
80
IMO Tier III compliant
70
-85% 60
50
SOx compliant 40
CO2 -99% 30
NOx
20
SOx -99% 10
Particulates Diesel 0
• Optimised hull for high performance Dual-Fuel engine
in gas mode
engine
• Safety and comfort for crew
• High manoeuvrability
• Good sea keeping
• Integrated ‘State-of-the-Art’ & proven Wärtsilä LNG propulsion system
• Significant improvement regarding lower emission with Tier III compliance
• Wärtsilä as full integrator, guaranteed performance & life-cycle support
25 © Wärtsilä PUBLIC 12.10.2017 [Wärtsilä Eco-Friendly Tug/ Ngoh]WÄRTSILÄ HY / LNGTUG SERIES
Reducing Emission
with
Wärtsilä
ECO-Friendly Tug series
26 © Wärtsilä PUBLIC 12.10.2017 [Wärtsilä Eco-Friendly Tug/ Ngoh]Ngoh Ay Hwa Sales Manager/ Naval Architect +65 96738669 ayhwa.ngoh@wartsila.com www.wartsila.com/ship-design
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