The armature of a 6-pole D.C. machine has a diameter of 350mm and is wave wound with 800 conductors occupying slots of effective length 200mm. The fraction of conductor contributing to torque at any instant is 70%. The average magnetic flux density B = 0.1T and flux per pole is 4mWb. The armature of the motor takes 70A at a speed of 600 rad/s. Calculate: b)Estimate the back, e. m. f., induced by the machine, and The supply voltage if the effective armature circuit resistance is 1.6 Ω

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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.