Wartsila Oyj Abp · OMXHEX:WRT1V
Wartsila Oyj Abp — Wärtsilä — Technical Presentation (2007)
15 slides from Wartsila Oyj Abp's technical presentation, 2007
Slide 1: Gas to Power
Gas to Power Dr. Jacob Klimstra Wärtsilä Power Plants www.wartsila.com
Slide 2: An example of well power demand
An example of well power demand ….. + associated gas availability 50 45 total power power requirement 40 35 30 from alternative 25 20 15 from 10 associated 5 gas 0 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 year of operation -2-
Slide 3: And even more varies
And even more varies ........ • The gas heating value: 42 MJ/m3 - 25 MJ/m3 • The gas Wobbe index: 45 MJ/m3 – 30 MJ/m3 • The knock resistance (Methane number) 70 – 40 • The daily gas flow Required, a technology that: Is insensitive to gas quantity and quality Can use a back up fuel Has a high utilisa
Slide 4: A reciprocating engine + generator: the solution
A reciprocating engine + generator : the solution -4-
Slide 5: The technology: a gas-diesel engine
The technology: a gas-diesel engine 350 bar Associated gas 43.5 * 0.954 = 41.5 % Diesel Gas spray spray -5-
Slide 6: Operation in 'full' gas mode
Operation in ‘full’ gas mode 100 Fuel Share % 90 80 70 60 Gas 50 Liquid 40 30 Constant liquid fuel amount 3 - 5 % of energy 20 input at 100 % load 10 0 0 10 20 30 40 50 60 70 80 90 100 Load % -6-
Slide 7: No power problem if the gas flow varies
No power problem if the gas flow varies complement with crude, HFO, MDO, LFO Diesel Gas share % share % 0 100 diesel GD operation 10 90 pilot 20 80 30 70 40 60 gas and oil 50 50 share Fuel Sharing Fuel Sharing 60 40 adjustable 70 30 80 20 Transfer window 90 10 100 0 Fuel oil operation 0 10 20 30 40
Slide 8: The fuel efficiency
The fuel efficiency 45 generating efficiency (%) 40 35 Close to flat line 30 25 Ideal for: 20 -islanding 15 -spinning reserve 10 5 0 0 20 40 60 80 100 engine-generator load (%) -8-
Slide 9: A modular approach
A modular approach Repeatability, flexibility, adaptability, reliability -9-
Slide 10: Multi unit gas engine power plant electrical efficiency
Multi unit gas engine power plant •The multi unit gas engine power plant has very high part load efficiency. •Example with 5X20V34SG ~45 MW plant 45% 40% 5 x 20V34SG 35% Industrial GT Electrical efficiency (%) 30% 25% 20% 15% 10% 5% 0% 0 5 10 15 20 25 30 35 40 Plant Electrical Power (MW) Source: Als
Slide 11: Fuel-sharing reference in Equador
Fuel-sharing reference in Equador - 11 -
Slide 12: Even more energy available
Even more energy available 2 MW heat chiller 6.5 MW chill For gas treatment or selling 23 MW engine 10MW generator fuel Electr. 2 MW heat - 12 -
Slide 13: Not only electric power……
Not only electric power…… - 13 -
Slide 14: References: Storage
References: Storage Gas engines as compressor drivers REN - Armazenagem, S.A, Portugal Gas storage in salt caverns - 100 000 Nm3/h; 37 -> 187 bar - 2 x 16V25SG + reciprocating compressor - in operation since 2005 Lentransgaz, Russia Gas Storage aquifier - 440 000 Nm3/h; 45 -> 150 bar - 4 x 18V28SG +
Slide 15: To remember
To remember Flaring can be reduced and the gas can be used with high: 1. Fuel flexibility 2. Power flexibility 3. Fuel-to-power efficiency [email protected] [email protected] [email protected] www.wartsila.com - 15 -