Physics · Electrical Machines
If I f is the full load current per phase, E is the excitation voltage per phase, and %X s is the percentage synchronous reactance, then the maximum power output of an alternator per phase is given by:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1P max = %X s × I f × 100 E
- 2P max = I f × 100 E × %X s
- 3P max = E × I f × 100 %X s✓
- 4P max = %X s × 100 E × I f
Correct answer
P max = E × I f × 100 %X s
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