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AVAILABLE TRANSFER CAPABILITY CALCULATION USING DCPTDF INCORPORATING MULTIPLE LINE CONTINGENCIES and GENERATOR ADDITION UNDER DEREGUALTED ENVIRONMENT

Naresh K. Yadav, Prashant Sharma

Before deregulation there was only single entity to generate and distribute electricity in an area. Due to this monopoly, the price of electricity was on the higher side and also the quality of electricity was not satisfactory. This scenario changes after the deregulation of power industry. The competition arises in generation and distribution. But the transmission corridor remains the same for transferring the power. Every operator wants to maximize their profit. Due to this the number of transactions increases. This may cause congestion in transmission network. To avoid congestion, every operator should know the value of ATC before every transaction. In this paper the ATC is calculated using DCPTDF scheme. The multiple line contingencies and an extra generator addition are considered and their effect on the value of ATC is shown. The above said methodology is applied on IEEE 30-bus test system.