The terminal voltage of a given generator .4 :depends on these two things )1 نقطة( .The field current and armature speed O The magnetic field strength and armature .speed Resistance of the field coil and armature .speed :A field pole piece ia said to be saturated when .5 )1 نقطة( A small increase in field current produces .a large jump in magnetic field strength Magnetic field strength increases when .there is no increase in field current Increases in field current produce proportionately smaller increases in .magnetic field strength

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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.