The input of an A.C. circuit having power factor of 0.8 lagging is 40 kVA The power drawn by the circuit is (a) 12 kW (b) 22 kW (c) 32 kW (d) 64 kW

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Compensation Techniques

The compensation techniques are the methods that are employed in the electrical control systems to enhance the performance of the system. The performance are generally affected by the factors like lag in the compensating devices, slow response of the system of the components like sensors used in the control system. The basic compensation technique involves lag compensation, lead compensation or the combination of the both.