Question: As shown in the figure below, this is a speed regulation method for DC separately excited motor. a) What is the speed regulation method?

As shown in the figure below, this is a speed regulation method for DC separately excited motor. a) What is

As shown in the figure below, this is a speed regulation method for DC separately excited motor. a) What is the speed regulation method? (score:2); b) What are the characteristics for this speed regulation method? (score:4) no MA ne fla 11 O D Ti Ra Ri 1

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