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Space angle, θr is measured between stator d-axis and _______________

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Space angle, θr is measured between stator d-axis and _______________

(a) quadrature axis

(b) direct d-axis

(c) long rotor axis

(d) none of the mentioned

I got this question in an international level competition.

The origin of the question is Reluctance Motor in portion Basic Concepts in Rotating Machines of Electrical Machines

1 Answer

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Best answer
Right option is (c) long rotor axis

Best explanation: Space angle is measured between stator direct axis and long rotor axis.

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