railway DFCCIL Junior Executive 2023 (CBT 1 & CBT 2) Mock Test Electrical Machines DC Generators Voltage Build Up in DC Generator
The residual magnetism of a D.C. shunt generator can be regained by
1
Connecting the shunt field to the battery
2
Running the generator on no load for some time
3
Grounding the shunt field
4
Reversing the direction of rotation of the generator