With shunt field resistance equal to 55، what reduction in speed be made to make the open-circuit voltage equal to 100 V ?

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Q: 0.2) . A shunt generator on test is separately excited and driven at 1000 rev/min. The open-circuit…

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A: It is given that: VB=247 VEg1=Eg2=250 VRa1=Ra2=0.12 ΩRf1=Rf2=100 ΩIL=40 A

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Speed control of motor

Speed control by DC motor-speed controller is required to realize variable speed drive. Whenever a motor drives a particular load, it is called drive, and variable speed drive refers to a load requiring variable speed. All this is obtained by a DC motor speed controller.