A chopper controlled electric train is powered from a 1500, Electrical Engineering

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A chopper controlled electric train is powered from a 1500

(a) A chopper controlled electric train is powered from a 1500 VDE supply. The power semi- conductor switch element hasaminimum effectice ON time of 40 Ms. during starting and slowspeed running, the output of the chopper has to go as low as 15 V. what is the highest chopper frequency possible to satisfy thisreqirement ?

(b) The chopper in (a) has a minimum effective OFF time of 30 Ms.The chapper frequency is 2000Hz
(i) what is the maximum duty cycle and maximum output voltagepossible?
(ii) if the full input voltage is to be made available to theload, show how this can be done

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Electrical Engineering: A chopper controlled electric train is powered from a 1500

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Electrical Engineering: A chopper controlled electric train is powered from a 1500

Reference No:- TGS0621473

Recent Questions Asked Electrical Engineering

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