February 13, 2017

What are the procedures for parallel operation of DC Generators?

Figure: Paralleling D.C. Generators.

Procedure for Paralleling D.C. Generators:

  1. Close the disconnect switch of the incoming generator
  2. Start the prime-mover and adjust it to the rated speed of the machine
  3. Adjust the voltage of the incoming machine a few volts higher than the bus voltage
  4. Close the breaker of the incoming generator
  5. Turn the shunt field rheostat of the incoming machine in the raise-voltage direction and that of the other machine(s) already connected to the bus in the lower-voltage direction till the desired load distribution (as indicated by the ammeters) is achieved.


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