A simple power system diagram is given below. The system consists of a 120/0 volt generator connected to an ideal 1:5 step up transformer, a transmission ine, and ideal 10:1 step down transformer and a load. The impedance of the transmission line is 10 + j20, and the impedance of the load is 4+j2 ohms. The base values for the system are chosen to be 120 volts and 10 KVA at the generator. a) Solve for the generator current lg using the per unit system. Do show your calculated per unit diagram. b) Solve for the value of the load voltage from the per unit system circuit. 71 10 n 20n T: 10:1 ZLOAD = 4 + j2 120g load

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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.