A dc chopper V = 500 V feeds an electric fraction dc series motor. The chopping

Question

A dc chopper V = 500 V feeds an electric fraction dc series motor. The chopping frequency is 400 Hz. The series inductance required to limit the maximum current swing to 10 A is

Options:

A . 20 mH

B . about 31 mH

C . about 51 mH

D . about 92 mH

Answer: Option B
Answer: (b).about 31 mH

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