Balanced QUESTION 4 [19] A sludge pump motor, connected in delta, operates at a lagging power factor of 0.81 when receiv

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Balanced QUESTION 4 [19] A sludge pump motor, connected in delta, operates at a lagging power factor of 0.81 when receiv

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Balanced Question 4 19 A Sludge Pump Motor Connected In Delta Operates At A Lagging Power Factor Of 0 81 When Receiv 1
Balanced Question 4 19 A Sludge Pump Motor Connected In Delta Operates At A Lagging Power Factor Of 0 81 When Receiv 1 (27.12 KiB) Viewed 34 times
Balanced QUESTION 4 [19] A sludge pump motor, connected in delta, operates at a lagging power factor of 0.81 when receiving 28kW, supplied with 3-phase, 400V. According to the specification the motor has a stator iron loss of 1kW and a per phase resistance of 0.802 while the windage and friction losses are estimated to be 750W. If the motor has a slip of 5% determine the: 4.1 Stator copper loss 4.2 Synchronous power 4.3 Rotor copper loss 4.4 Rotor power 4.5 Output power 4.6 Efficiency of the motor Walter Sisulu University
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