Computer · Electrical Machines
In a V-curve characteristics plot of a synchronous motor representing the variation of armature current with field current, which of the following statements holds true regarding its operational capability across various load lines (such as no-load, half-load, and full-load)?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1The motor can operate at both leading and lagging power factors by over-exciting or under-exciting its field winding✓
- 2The motor draws zero armature current at the minimum point of any V-curve
- 3The motor can only operate at a leading power factor across all excitation levels
- 4The motor can only operate at a lagging power factor across all excitation levels
Correct answer
The motor can operate at both leading and lagging power factors by over-exciting or under-exciting its field winding
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