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

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1.	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
A.	20 mH
B.	about 31 mH
C.	about 51 mH
D.	about 92 mH
Answer» C. about 51 mH

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