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Synchronous Machine Questions 1. A star-connected, 3-phase, 100kVA, 415V, 50Hz synchronous motor, having a synchronous r
Posted: Fri May 20, 2022 7:45 pm
by answerhappygod
- Synchronous Machine Questions 1 A Star Connected 3 Phase 100kva 415v 50hz Synchronous Motor Having A Synchronous R 1 (52.78 KiB) Viewed 59 times
Synchronous Machine
Questions 1. A star-connected, 3-phase, 100kVA, 415V, 50Hz synchronous motor, having a synchronous reactance of 1.212 and negligible resistance operates at its rated terminal voltage, rated current, and a per-phase field-induced emf of 228V. a) Determine the power factor. b) The excitation is adjusted until the numerical value of the power factor is the same as initially, but the sign of the reactive power is changed. Determine the new value of field induced emf.