D.C. generators are connected to the busbars or disconnected from them only under the floating condition
A)to avoid sudden loading of the primemover
B)to avoid mechanicaljerk to the shaft
C)to avoid burning of switch contacts
D)all above

Question

Quizplus · Accepted Answer

All the reasons mentioned are correct for connecting or disconnecting D.C. generators under the floating condition. This practice helps to avoid sudden loading of the prime mover, prevents mechanical jerk to the shaft, and avoids burning of switch contacts.

DC Generators Are Connected to the Busbars or Disconnected from Them