A 220 V shunt motor with an armature resistance of 0.5 Q is excited to give constant main field.At full load the motor runs at 500 r.p.m. and takes an armature current of 30 A. If a resistance of 12 is placed in the armature circuit, find the speedat i) Full load torque i i) Double the full load torgue.

Q: d.c. series motor has a wave wound armature with 180 conductors. The armature resistance and the…

A:

Q: A 240 V shunt motor has an armature current of 15 A when running at 800 rpm against full-load…

A: In this question we need to find a What resistance must be inserted in series with the armature to…

Q: A 500 V D.C. shunt motor having an armature resistance of 1 ohm draws an armature current of 120 A…

A:

Q: a dc shunt motor runs at 900 r.p.m from a 460 V supply when taking an armature current of 25 A.…

A: Take the ratio of back emfs to find the speed at terminal voltage of 230 volts. Back emf is directly…

Q: An 8 pole DC shunt generator with 900 wave-connected armature conductors supplies 10ohm  at 500 V…

A: To find the answers, we can use the following formulas and calculations:1.1 The flux per pole:The…

Q: d.c. shunt motor

A:

Q: Consider figure and assume that the rotational torque is 200 N-m and the radius of the rotor is 0.25…

A: Given data, Rotational torque = 200 N-m radius of rotor (r) = 0.25 m   We have been asked to find…

Q: A 250V series motor runs at 500 rpm at rated load current of 75 A. The armature circuit has a…

A: It is given that: V=250 VN1=500 rpmIL1=Ia1=75 ARa+Rse=0.2 Ωϕ α Ia

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.