A 4-pole ,400 V, 50 Hz wound-rotor induction motor has the following circuit model parameters: R = 0.3 2, R2 = 0.25 2, X X2' 0.6 2, Xo 35 2 and rotational loss of 1500 W ( Ro is negligible). When the motor running at 1425 rpm, %3D %3D %3D %3D calculate a) the motor efficiency and, b) the maximum gross power when exciting circuit is omitted.

Q: that impro p.1. Is more than the dec ease in current due to iner Example 34.7. A 3-phase, 400-V,…

A: To determine the value of the external resistance per phase to be inserted in the rotor circuit to…

Q: A wound rotor, induction motor has a rotor resistance of 0.6 ohms per phase and a rotor leakage…

A:

Q: A three-phase, 50-Hz, 6-pole induction motor develops a useful torque of 120 Nm at full-load, while…

A: Given : Pole = 6  Frequency =50 HZ  Useful Torque = 120 Nm Rotor Frequency = 2 HZ torque Lost = 10…

Q: 1. A fundamental DC motor is shown below. VTerminal = 90V. The running current, I = 5 A and the…

A:

Q: A three-phase induction motor used for a commercial application in Oman runs at 580 rpm at no load…

A: Given: A three phase induction motor  No load speed = 580 rpm  Speed at full load = 552 rpm  To…

Motor Load, Torque, and Power Quality Requirement

An electric motor is a gadget that changes electrical energy into mechanical energy over to follow up on a mechanical burden. The weight set on the motor because of this mechanical movement is known as motor load. Appropriately matching the motor burden to the engine is vital to forestall harm to the engine or wasteful and unnecessary expensive activity. Engines perform such undertakings as moving a thing starting with one spot then onto the next, cutting it, changing its shape, etc. The motors might be evaluated as far as a few variables including power yield, voltage, current, and temperature. Harm to an engine might happen when it is worked under over the top engine load contrasted with its appraised limit.