A 3-phase, Y connected, round rotor synchronous generator rated at 12KVA, 230V has a Synchronous reactance of 12 per phase and an armature resistance of 0.42 per phase. Calculate: i) The generated phase voltage at full load and 0.8 lagging power factor. ii) The percentage voltage regulation at full-load with 0.8 lagging power factor. iii) The generated phase voltage at full load and 0.8 leading power factor. iv) The percentage voltage regulation at full-load with 0.8 leading power factor.
A 3-phase, Y connected, round rotor synchronous generator rated at 12KVA, 230V has a Synchronous reactance of 12 per phase and an armature resistance of 0.42 per phase. Calculate: i) The generated phase voltage at full load and 0.8 lagging power factor. ii) The percentage voltage regulation at full-load with 0.8 lagging power factor. iii) The generated phase voltage at full load and 0.8 leading power factor. iv) The percentage voltage regulation at full-load with 0.8 leading power factor.
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Transcribed Image Text:A 3-phase, Y connected, round rotor synchronous generator rated at 12KVA,
230V has a Synchronous reactance of 12 per phase and an armature
resistance of 0.42 per phase. Calculate:
i) The generated phase voltage at full load and 0.8 lagging power factor.
ii) The percentage voltage regulation at full-load with 0.8 lagging power
factor.
iii) The generated phase voltage at full load and 0.8 leading power factor.
iv) The percentage voltage regulation at full-load with 0.8 leading power
factor.
EO when working at lagging power factor
Voltage regulation when working at lagging power factor
EO when working at leading power factor
Voltage regulation when working at leading power factor
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