Synchronous Motor Power Correction The synchronous motor using 150-kilowatt real power so we have to find these three conditions. Assume 1. If synchronous motor operating at 0.85 lagging power factor then what the value of transmission V = 480 V Ind. motor 100 kW 0.78 PF line? lagging 200 kW 0.8 PF lagging 2. If synchronous motor operating at 0.85 leading power factor then the value of current will be? Ind. Infinite bus Transmission line motor 3. If the power loss of transmission line is given. Pu =31R. Synchr. 150 kw motor PF-? Plant What will be effect of these losses on first two conditions?

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Synchronous Motor Power Correction
The synchronous motor using 150-kilowatt real
power so we have to find these three conditions.
Assume
1. If synchronous motor operating at 0.85 lagging
power factor then what the value of transmission
line?
VL = 480 V
100 kW
Ind.
0.78 PF
motor
lagging
200 kW
0.8 PF
lagging
2. If synchronous motor operating at 0.85 leading
power factor then the value of current will be?
Ind.
Infinite bus
Transmission line
motor
3. If the power loss of transmission line is given.
Synchr. 150 kW
PF=?
Pu =312 RL
motor
Plant
What will be effect of these losses on first two
conditions?
Transcribed Image Text:Synchronous Motor Power Correction The synchronous motor using 150-kilowatt real power so we have to find these three conditions. Assume 1. If synchronous motor operating at 0.85 lagging power factor then what the value of transmission line? VL = 480 V 100 kW Ind. 0.78 PF motor lagging 200 kW 0.8 PF lagging 2. If synchronous motor operating at 0.85 leading power factor then the value of current will be? Ind. Infinite bus Transmission line motor 3. If the power loss of transmission line is given. Synchr. 150 kW PF=? Pu =312 RL motor Plant What will be effect of these losses on first two conditions?
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