9. A 3-0 induction motor has a synchronous speed of 250 r.p.m. and 4 per cent slip at full-load. The rotor has a resistance of 0.02 Q/phase and a standstill leakage reactance of 0.15 2/phase. Calculate (a) the ratio of maximum and full-load torque (b) the speed at which the maximum torque is devel- oped. Neglect resistance and leakage of the stator winding. |(a) 1.82 (b) 217 r.p.m.] (London University) 10. The rotor of an 8-pole, 50-Hz, 3-phase induction motor has a resistance of 0.2 Q/phase and runs at

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: The amount of torque developed by a 3-phase squirrel-cage induction motor from no-load to rated-load…

A: A simple question on electrical machines shbject . I provided the detailed solution for the same.…

Q: [62.3A, 0.82, 44.7A] age of 120 V between the slip rings on s reactance of 10 per phase at…

A: The solution is given below

Q: A certain 60Hz, four-pole split-phase induction motor spins at 1760rpm when running with no torque…

A:

Q: 1) When a synchronous motor is running at synchronous speed, the damper winding Produces......…

A:

Q: Explain the conditions for parallel operation of synchronous generators. A three phase, wye…

A: An alternator/Synchronous generator is a type of electrical machine that converts mechanical energy…

Q: E) power factor of the motor? a) improves b) get poorer c) remains the same d) none of the above

A: One individual question is to be answered. E) In a three phase induction motor, when there is no…

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.