Reducing emissions through innovative tug design The new Wärtsilä Eco-Friendly tug Asian Tug Technology & Salvage Conference 18 th -19 th September 2017 1 Wärtsilä PUBLIC 12.10.2017
FACTOR TRENDS: ENVIRONMENT Reducing Emission ECO Friendly in Tug Industry LOCAL LOCAL NO x Acid rains Tier II Tier III SO x Acid rains Sulphur content in fuel SECA LOCAL GLOBAL Particulate matter Direct impact on humans Locally regulated CO 2 Greenhouse effect Under evaluation by IMO EEDI 2
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 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 HYTUG SERIES Construction: Distinctive design outlook Safety & comfort for crew Building & maintenance friendliness DESIGN HIGHLIGHTS 5
DESIGN HIGHLIGHTS High visibility wheelhouse design 6
DESIGN HIGHLIGHTS Side Shoulders Semi-enclosure for bow winch 7
DESIGN HIGHLIGHTS Modular Hybrid propulsion MECHANICAL-HYBRID SHAFT M/G ELECTRICAL-HYBRID Main engine with clutch In-line shaft generator/motor Energy storage system DC link and power drives Energy Management System Thrusters, shafting & propulsion controls Generating set Energy storage system DC link and power drives Energy Management System Thrusters, thruster motors & propulsion controls 8
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 Lloyd s Register Notation for Harbour Tug 100A1, LMC, Tug, CCS, Fire-fighting Ship 1 Notation for Escort Tug 100A1, LMC, Escort Tug, CCS, Fire-fighting Ship 1 With MLC2006 compliance 9
WÄRTSILÄ HYTUG SERIES Optimized Hull: Low Hull resistance High towing/ escort performance Good sea keeping High Maneuverability Construction: Distinctive design outlook Safety & comfort for crew Building & maintenance friendliness DESIGN HIGHLIGHTS Summary 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) Side shoulders New high visibility wheelhouse design Semi-enclosure for bow winch Modular Hybrid propulsion MLC2006 compliance Class Approval-in-Principle: Lloyd s Register 10
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 Fenders) 28.00 m 29.50 m 35.40 m 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 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 Energy storage Propulsion 2 x W6L20E [2 x 1320kW @ 1200rpm) 300 kwh [3C rating] 2 x WST-16 CPP [Dia. 2.20m] 2 x W8L20 [2 x 1520kW @ 1000rpm) 500 kwh [3C rating] 2 x WST-24 FPP [Dia. 2.80m] 2 x W8L20E [2 x 1760kW @ 1200rpm) 400 kwh [3C rating] 2 x WST-24 CPP [Dia. 2.80m] Shore connection 80 kwe 80 kwe 80 kwe Auxiliary gensets 1 x 99 kw [High Speed, Non-Wärtsilä supply] - 1 x 250 kw [High Speed, Non-Wärtsilä supply] Bollard pull range & design requirement are customisable according to different customers needs. 12 Wärtsilä PUBLIC 12.10.2017
SINGLE LINE DIAGRAM Wärtsilä HYTug 75H Diesel Electric Hybrid configuration Wärtsilä HYTug 75E Diesel Mechanical Hybrid configuration W8L20 1600kWM 1000rpm Sum Battery Capacity: 75TBP - 500kWh W8L20 1600kWM 1000rpm Battery Capacity: 75TBP - 400kWh Battery Battery Battery G G DC DC DC Shore Connection W8L20E 1760kW 1200rpm W8L20E 1760kW 1200rpm 500kVA Shore Connection G Aux. Gen 250kW 1800rpm M WST24 2075kW 2.8m M WST24 2075kW 2.8m 150kVA 440V/60Hz Feeders 50kVA 230V/60Hz Emergency Batteries Em. 24V/DC PTI / PTO Transit: 460kW @ 760rpm Boost: 415kW @ 1200rpm Generator: 540kW @ 890rpm M M 440V/60Hz Feeders 50kVA 230V/60Hz Em. Gen 97KW 1800rpm 230V/60Hz G Feeders Feeders Feeders WST24 2175kW 2.8m WST24 2175kW 2.8m 13
% Time HARBOUR TUG TYPICAL OPERATING PROFILE 30% 25% 25% 25,90% Mode Annual Time (%) Annual Time (Hours/year) Steaming Max (13 knots) 0.1 3 Transit high (12 knots) 3 94 20% Transit Eco 1 on Battery (10 knots) 11 343 Transit Eco 2 on Battery (8 knots) 11 343 15% Peak Load (Max BP) 2 62 10% 11% 11% 12% 10% Medium Assist 12 374 Low Assist 25 780 Loitering- Standby/ Loitering- on Battery 25.9 808 5% 0% 0,10% Steaming Max (13 knots) 3% Transit high (12 knots) Transit Eco 1 on Battery (10 knots) Transit Eco 2 on Battery (8 knots) 2% Peak Load (Max BP) Medium Assist Low Assist Loitering- Standby/ Loitering- on Battery Harbour Standby/ Harbour- Standby on battery Harbour Standby/ Harbour- Standby on battery 10 312 Total: 100% 3120 14
ENGINE ENGINE OPERATING MODE HARBOUR STANDBY ON BATTERY ESS AC SWB DC LINK M/G M/G All-electric mode Both engines off, all power from batteries: Zero Emission 15
ENGINE ENGINE OPERATING MODE ECO TRANSIT 8-10 KNOTS ESS AC SWB DC LINK M/G M/G Green mode Both engines off, all power from batteries: Zero Emission 16
ENGINE ENGINE OPERATING MODE LOITERING STANDBY/ WAITING ESS AC SWB DC LINK M/G M/G Start & stop Low state of charge: engine provides power and recharges batteries 17
ENGINE ENGINE OPERATING MODE LIGHT/ MEDIUM ASSIST ESS AC SWB DC LINK M/G M/G Peak shaving Both engines providing power, batteries taking sudden load peaks, Instant Load taking 18
ENGINE ENGINE OPERATING MODE PEAK LOAD (MAX BP) ESS AC SWB DC LINK M/G M/G Power boost Batteries and engines providing power simultaneously 19
75T BP HARBOUR TUG COMPARED PERFORMANCE Total Installed Mechanical Power Power boost Duration of Max BP with Power boost Response Smoke Green mode Supported by Start&Stop WÄRTSILÄ Conventional Tug DM Medium Speed Ref Not available Not available Load ramps At start / load taking Not available Conventional Tug DM High Speed Similar to Ref Not available Not available Load ramps At start / load taking Not available WÄRTSILÄ HYTug DM W8L20E + 400 kwh -16.8% +1200 kw Min. 15 mins Instant Zero Yes WÄRTSILÄ HYTug DE W8L20 + 500 kwh -26.4% +1500 kw Min. 15 mins Instant Zero Yes Duration of Eco Transit Mode Main Engines Running Hours Maintenance costs Not available Ref Ref Not available Similar to Ref More cyl-hours, shorter TBOs 20-45 mins -32.9% Less cyl-hours, longer TBOs 25-55 mins -58.3% Less cyl-hours, longer TBOs 20 Wärtsilä PUBLIC 12.10.2017
Fuel Consumption (%) Emission Values (%) 75T BP HARBOUR TUG COMPARED FUEL EFFICIENCY & EMISSION 120% 115% 116,3% +16% 110% 105% 100% 95% 90% 85% 80% 75% 70% High Speed DM - FPP 100,0% 88,7% Wärtsilä Wärtsilä HYTug Conventional DM CPP DM - FPP -11% 78,1% Wärtsilä HYTug DE FPP -22% The efficiency comparison has been performed based on fuel consumption per kw of power delivered to the thrusters, and all losses (mechanical and electrical) in the different alternatives are taken into account. 100 90 80 70 60 50 40 30 20 10 0-23% -40% -22% -48% 21
WÄRTSILÄ HYTUG SERIES CUSTOMER VALUES Operational costs Weight & Volume Less cylinders GA flexibility Performance Continuous EMS tuning Easy EMS expansion Reduced maintenance costs (less cylinder-hours, reduced stress to components) Reduced fuel consumption Green image Green mode (zero emission) Start & stop Smokeless operations Bollard pull Power boost for higher tbp from energy storage Safety & Reliability Built-in redundancy Back-up logics Instant load taking Life-Cycle Support Service agreements Interfaces with supplier Wärtsilä as the single supplier In-house integration Single set of documentation Reduced interfaces Less commissioning days Guaranteed performance 22 *...
WÄRTSILÄ HYTUG IN ACTION 23
WÄRTSILÄ LNGTUG SERIES ECO-FRIENDLY DESIGN Wärtsilä LNGTug 55H MAIN DATA WÄRTSILÄ SUPPLY LOA: 28.80 m Bollard Pull: 55 T GRT: 495 Speed: 12 knots LNG Tank Capacity: 25 m 3 Accommodation: 4 Main Engine (Dual Fuel): Thruster: Wärtsilä LNG Pac Approval-in-Principle: 2 x 1665 kw 2 x WST-18 Lloyd s Register LNGTug main particulars and bollard pull range are customisable according to different customers requirement. 24
WÄRTSILÄ LNGTUG SERIES HIGHLIGHTS & CUSTOMER VALUES -25% Emission values [%] 100 90 Optimised hull for high performance Safety and comfort for crew High manoeuvrability Good sea keeping IMO Tier III compliant SOx compliant 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 CO 2 NO x SO x -85% Particulates -99% -99% Dual-Fuel engine in gas mode Diesel engine 80 70 60 50 40 30 20 10 0 25
WÄRTSILÄ HY / LNGTUG SERIES Reducing Emission with Wärtsilä ECO-Friendly Tug series 26
Ngoh Ay Hwa Sales Manager/ Naval Architect +65 96738669 ayhwa.ngoh@wartsila.com www.wartsila.com/ship-design