An inverted V-curve of synchronous motor shows the variation of
A. power factor and de excitation at constant load.
B. supply voltage and field current at constant excitation.
C. power factor and supply voltage during hunting.
D. supply voltage and excitation current at constant load. [I.E.S. E.E.-II, 1992]
Answer:A
An inverted V-curve of synchronous motor shows the variation of
A. power factor and de excitation at constant load. B. supply voltage and field current at constant excitation. C. power factor and supply voltage during hunting. D. supply voltage and excitation current at constant load. [I.E.S. E.E.-II, 1992]