A 240 V, 50 Hz, single-phase capacitor start a.c. motor is loaded such that the ship is 6% The motorconstants referred to the stator are:Stator resistance = 2-22; Rotor resistance = 3-852Stator reactance = 3.0; Rotor reactance = 2-12Magnetising reactance = 862; Iron and friction loss = 50 WDraw the equivalent circuit and from it find the output power and efficiency at the given loading.

Answered: Image /qna-images/answer/a4d46b23-f8c3-4289-87a6-41125d095b3a.jpg

A 240 V, 50 Hz, single-phase capacitor start a.c. motor is loaded such that the ship is 6% The motor constants referred to the stator are : Stator resistance = 2-22; Rotor resistance = 3-852 Stator reactance = 3-002; Rotor reactance = 2-1 2 Magnetising reactance = 862; Iron and friction loss = 50 W Draw the equivalent circuit and from it find the output power and efficiency at the given loading.

A 240 V, 50 Hz, single-phase capacitor start a.c. motor is loaded such that the ship is 6% The motor constants referred to the stator are : Stator resistance = 2-22; Rotor resistance = 3-852 Stator reactance = 3-002; Rotor reactance = 2-1 2 Magnetising reactance = 862; Iron and friction loss = 50 W Draw the equivalent circuit and from it find the output power and efficiency at the given loading.

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter33: Single-phase Motors

Section: Chapter Questions

Problem 36RQ

See similar textbooks

Similar questions

A 6 pole wave wound d.c. shunt generator has 500 conductors. A generator delivers 50 kW of power at 250 voltage at full load. The resistance of the field circuit is 125 2. Actual brush shift is 10°. Then find the demagnetizing and cross magnetizing ampere turns per pole and how many additional turns must be wound on each pole to eliminate the demagnetizing effect.
3. What are the various losses in an induction motor? On whatfactors do they depend?
The strength of the rotating magnetic field in a three phase induction motor is equal to times the flux produce ...... ....... in one of the phase windings. 1.25 1 O 1.5
A 6-pole, 3-phase, 60-cycle alternator has 12 slots per pole and four conductors per slot. The winding is 5/6 pitch. There are 2,500,000 maxwells (0.025 weber) entering the armature from each north pole, and this flux is sinusoidally distributed along the air gap. The armature coils are all connected in series. The winding is wye-connected. Determine the open circuit emf of the alternator.
A four-pole, wave-wound generator has 220 coils of 10 turns each. The resistance of each turn is 0.02 2. Find the resistance of the armature winding.
A dc generator is run at 500 rpm. The eddy current losses and hysteresis losses are found to be 100 and 200 W, respectively. At what speed will it be run to reduce the core losses by 20%?
Armature reaction in an alternator primarily affects rotor speed terminal voltage per phase frequency of armature current generated voltage per phase
Differentiate between the AC and DC magnetic fields applied to an induction motor stator.
A wave wound armature of an eight-pole DC shunt generator has 51 slots, each
Armature winding of an alternator can also be described as
An alternator is much less likely to burn out on a sustained short-circuit than a separately excited DC generator. Explain.
There are 144 slots in a 3-phase, 16-pole, 50 Hz., star connected alternator. There are 4 conductors in each slot and all the conductors in a phase are connected in series. Coil span is 1500 electrical and the flux per pole is 0.05 Weber sinusoidallly distributed. Calculate the emf induced per phase.