Question

A 50 kW, 400V, 50Hz, 3-phase, 4-pole induction motor having a nameplate speed of 1400 rpm is operated at the speed of 1440 rpm and draws 72 A current at the power factor of 0.8 lagging. Estimate the efficiency of the motor.

Expert Answer

Want to see the step-by-step answer?

Check out a sample Q&A here.

Want to see this answer and more?

Experts are waiting 24/7 to provide step-by-step solutions in as fast as 30 minutes!*

*Response times may vary by subject and question complexity. Median response time is 34 minutes for paid subscribers and may be longer for promotional offers.
Tagged in
Engineering
Electrical Engineering

Electrical Machines

Related Electrical Engineering Q&A

Find answers to questions asked by students like you.

Q: Consider the "Zener diode as a voltage regulator" circuit given below: 1502 D unregulated/ 12 volt s...

A: For given Zener diode to operate in a breakdown region is necessary to operate in the reverse-biased...

Q: A linear invariant discrete-time system has the output (y[n]) to be 2 (1/3)n u[n] when the input x[n...

A: Given values are =

Q: Find the apparent power and the real powerdelivered to the load in the Y-Δ circuit shown in FigureP7...

A: In the figure shown above in the circuit is the balanced 3-phase circuit. The voltage source connect...

Q: 9 Inthe circuit of Figure P4.49, i,(1) = 1, cos (wt +E I, = 13 mA C = 0.5 µF w = 1,000 rad/s a. Stat...

A: Using phasor notation, the source current which is,     Where Io= 13 mA and ω = 1000 rad/s. Now, in...

Q: 1. For each of the driven RLC circuits specified below, do the following: i. Determine resonance pro...

A: Part (a) For the series RLC circuit, the given values are,

Q: Determine the a-parameters (A11, A12, A21, A22) of the two-port network below.

A: It is supposed to be ABCD-parameter instead of a-parameter. The expression for the ABCD-parameter is...

Q: Determine the Thevenin equivalent (Vth , Zth )of this circuit when vs(t) = 5 cos (4000t-30°) V. 1/8o...

A: Given circuit is = Given values are =

Q: Figure below shows a diagram for an automobile alarm circuit used to detect certain undesirable cond...

A: Let us designate the inputs and outputs. L: when light is on 1, when light is off 0. I: when ignitio...

Q: Problem: 6: a. Determine the gain of the operational amplifier for the circuit shown below, Gain A= ...

A: (a) As the given op-amp is ideal, it follows the virtual ground concept, also no current flows into ...