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Two alternators A and B having 5% speed regulation are working in parallel at a station. Alternator A is rated at 15 MW while B is at 20 MW. When the total load to be shared is 12 MW, then how much of the load will be shared by the alternator B?

Two alternators A and B having 5% speed regulation are working in parallel at a station. Alternator A is rated at 15 MW while B is at 20 MW. When the total load to be shared is 12 MW, then how much of the load will be shared by the alternator B? Correct Answer 6.85 MW

1 α15 ; P2 α 20; P1 = 0.75 P2 …(1) P1 +P2 = 12 …(2) Solving above, P2 = 6.85 MW.

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