Principles and practice of electrical engineering (1914)
Gray, Alexander, 1882-1921 · New York [etc.] McGraw-Hill Book Company, inc. · leaf 272
ith the same excitation and with the armature short-circuited, the terminal voltage is zero and the generated voltageab is used up in sending a current ac = 1040 amp. through theresistance and reactance of the winding or and voltage ab = current ac X ^R2 + X2 2400 = 1040 X V#2 + X2V#2 + X2 = 2.3… … ZB QEo A. - Connection for No LoadSaturation Test Qla B- Counection for Short Circuit TestErciting Current If Fig. 287.—Determination of the impedence of an alternator. It may be seen from Fig. 287 that the reactance X decreasesas the magnetic circuit of the machine becomes saturated. Thereactance…
Electrical engineering
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