381 V, four pole, 50 Hz, Y connected, to an asynchronous motor with a nominal power of 13.8 HP The corresponding equivalent circuit parameters are given below.
381 V, four pole, 50 Hz, Y connected, to an asynchronous motor with a nominal power of 13.8 HP The corresponding equivalent circuit parameters are given below.
R 1 = 0.15 Ω, R′2 = 0.154 Ω, Xm = 20 Ω, X′σ1 = 0.852 Ω, X′σ2 = 1.066 Ω
It is calculated as Pstme = 390 ? and Piron = 600 W for operation at label values. There is a load moment of 34 Nm on the motor shaft. Accordingly, the friction loss remains constant;
a. The power transferred to the load when the motor is fed with a voltage of 50 Hz 4.16 is kW
I. Draw the simplified T-equivalent circuit, not given in the circuit Calculate if there are parameters.
ii. Calculate the phase current and phase voltage for the given operating condition.
iii. Calculate the efficiency of the engine.
iv. Calculate the tipping moment and tipping slip.
Step by step
Solved in 4 steps with 1 images
