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:) If a 7MW genset is needed, which is better, to choose three 3.5MW generators or four 2.5MW ones? If take into account gas or diesel generators, is the answer similar? ;)
 

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:) If a 7MW genset is needed, which is better, to choose three 3.5MW generators or four 2.5MW ones? If take into account gas or diesel generators, is the answer similar? ;)
(1) Base or Peaking?
(2) Prime or standby on backup's?
(3) What are the foot print requirements?
(4) Attainment or none-Attainment?
(5) Resip. or turbine?
(6) What % of redundancy, if any.
(7) What voltage, medium or low or high for grid tie?
(8) What heat rate are you looking at or want?
(9) What type of excitation?
(10) USA or what country?
 

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on #5 what does "Resip." stand for?
Resip, (some folks use spell it Recip) is short for reciprocating, which is back and forth. Resips are piston engines. The largest resip I have ever worked on(experimental) had pistons that were 8 feet in diameter, with 3, 26" exhaust valves. It was a two stroke, therefore no intake valves, and a combined cycle engine as well.
 
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