12.一部三相、四極、60Hz之感應電動機,已知其滿載轉速為1710rpm,此時轉子等效電阻為0.5Ω,假設負載轉矩維持不變,若再增加一外加轉子電阻0.5Ω,則此電動機轉速應為何?
(A)1710rpm
(B)1680rpm
(C)1620rpm
(D)1450rpm
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統計: A(0), B(1), C(2), D(0), E(0) #3494547
統計: A(0), B(1), C(2), D(0), E(0) #3494547