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Define load equalisation for electric motors. Explain how it is obtained for electric motors.

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Define load equalization for electric Motor: There are many types of load which are fluctuating in nature e.g. wood cutting m/c, Rolling mill. Etc. For such type of loads, load equalization is necessary to draw the constant power from supply. Because, When there is sudden load on motor, it will draw more current from supply at start to meet additional power demand. Due to this heavy current there is large voltage drop in supply system. This will affect electrical instrument, equipment, m/c, other consumer etc. which are connected across same supply line. Also to withstand heavy current, size of input cable increases so cost of cable increases, Hence it is necessary to smooth out load fluctuations on motor.

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