A 220V. 4-pole, lap-connected, shunt motor with 800 conductors in armature slots. The armature and shunt field resistance are 0.60 and 2200 respectively. The motor runs to supply load with 8000W and draw current (50amps) from the mains. The flux per pole is 25mWb A- Calculate the gross torque developed by the armature, the shaft torque (useful), and the lost torque. B- Calculate the gross power developed by the armature, the iron and friction lost power, mechanical efficiency, electrical efficiency, and the overall efficiency. Armature reaction may be neglec

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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.