Sizing Gen-Sets For Large Motor Starting

Remember, an on-site engine-generator set is a limited source of power, both in horsepower available from the engine, and kVA available from the generator. As such, it must be large enough to start as well as run connected motor loads. You've lost normal power. Your engine-generator set (gen-set) starts up and reaches speed. Now, you want to start some large motors key to your operation. Suddenly,

Discuss this Article 2

Lee Chee Seng (not verified)
on Jul 4, 2012

Dear Sirs, I appreciate if someone could enlighten me by providing a recommendation of a suitable genset size for an exercise as follows:- What would be the right size of genset for starting a 220KW water pump motor by auto-trans method with a voltage dip limitation of not more than 15%. Thank you for assisting. Best regards / Lee Chee Seng

Anonymous (not verified)
on Jul 19, 2012

very helpfull Many diesel Generator Sales people are blank about the start up power of motors. And am battling to select the correct size of generator.

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