engineering recuitment HAL Management & Design Trainee Mock Test 2023 Electrical Machines Alternator and Synchronous Motors Alternator Parallel Operation
If the excitation of one alternator is changed during the parallel operation of two alternator, then
1
it causes circulating current and large variation in kW output.
2
it only causes large variation in kW output without any circulating current.
3
it causes circulating current and kW output remains approximately constant.
4
it does not cause any circulating current and variation in kW output.