Question

For a parallel operation of 2 DC shunt generators, we get net external characteristics ___________

(a) Starting from the same no-load point and between generator 1 and generator 2

(b) Starting from the same no-load point and below generator 1 and generator 2

(c) Starting from the same no-load point and above generator 1 and generator 2

(d) Can’t be determined

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Answer 1

Correct answer is (c) Starting from the same no-load point and above generator 1 and generator 2

To elaborate: The load sharing by these generators is determined by addition of external characteristics of both of generators. Thus, at no load generators will have common point, on y- axis so parallel characteristic will start from same point and will lie above of both.