Reducing the speed of alternator
Reducing field excitation current
Increasing field excitation current
Increasing the speed of alternator
Adjust the output voltage
Adjust the phase sequence
Adjust the supply frequency
Indicate the correct instant for paralleling
Exciter
Inverter
Converter
Synchroniser
Reduces the copper loss
Reduces windage losses
Reduces the hunting effect
Improves the voltage regulation
Rating must be same
Phase sequence must be same
Rotor impedance must be same
Stator impedance must be same