(use 2-decimal digits for solutions) A 6-pole, 500-V. wave-connected shunt motor has 1200 armature conductors and useful flux/pole of 20 mWb. The armature and field resistances are 0.5 Ω and 250 Ω respectively. What will be the speed and torque developed by the motor when it draws 20 A. from the supply mains? If the magnetic and mechanical losses amount to 900 W., find (a) useful torque, (b) output in kW, and (c) efficiency at this load.

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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.