Q2. A 500V, three-phase A-connected, 6-poles, 60Hz, synchronous motor gives a net output power of 7.69 kW and operates a

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Q2 A 500v Three Phase A Connected 6 Poles 60hz Synchronous Motor Gives A Net Output Power Of 7 69 Kw And Operates A 1 (26.35 KiB) Viewed 41 times

Q2. A 500V, three-phase A-connected, 6-poles, 60Hz, synchronous motor gives a net output power of 7.69 kW and operates at 0.9 p.f lagging. Its effective armature resistance loss is 4.15% of the input power. If the rotational losses and excitation losses are 6.5% and 10.4% of the output power respectively, estimate the armature current at the given load and find: I- The motor speed and shaft developed horsepower. The output torque. II- III- The efficiency of the motor.