There is an application which required pulsating loads, punch presses. The most preferred machines would be __________(a) compound dc machine(b) series dc machine(c) shunt dc machine(d) all of the mentionedThis question was posed to me in exam.This interesting question is from DC Machine Applications topic in division DC Machines of Electrical Machines

There is an application which required pulsating loads, punch presses.

1.	There is an application which required pulsating loads, punch presses. The most preferred machines would be __________(a) compound dc machine(b) series dc machine(c) shunt dc machine(d) all of the mentionedThis question was posed to me in exam.This interesting question is from DC Machine Applications topic in division DC Machines of Electrical Machines
Answer» Right answer is (a) compound dc machine The EXPLANATION is: It is compound machine whose flux can VARIED higher as well as lower in order to have variable TORQUES.

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