Mathematics · Electrical Machines
A 3-phase, 1500 kVA, 6600 V, star-connected alternator has 9 slots per pole and 6 conductors per slot. The output of this alternator on a particular load is 1200 kW and the total losses of the machine are equal to 55 kW. What is the percentage efficiency of the alternator?
- 195.62%✓
- 290.23%
- 399.21%
- 493.12%
Correct answer
95.62%
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