Easy to locate the faults in the field

Easy to connect the load with alternator

Easy to dissipate the heat during running

Two slip rings only required irrespective of No. of phases

Prevents demagnetizing

Over voltage protection

Dead short circuit protection

Alternator will be over loaded

0.942

0.965

0.978

0.985

Due to over load

Running without load

Running with fluctuation of speed

Due to continuous fluctuation in loa