EFFECT OF LOSS PENALTY FACTOR ON UNIT COMMITMENT

Minimizing the cost of production is very important for generating companies. Considering all the influential factors for seeking a correct solution for the unit commitment (UC) problem to minimize the generation cost is of great importance and plays an undeniable role in this case. Considering the losses and its distribution in a power system is one of the important factors in solving the UC problem. There are different methods to explain the losses in the system. One of the best methods is the use of Loss Penalty Factor (LPF). This article is to offer an easy and quick way for calculating LPF. Approximations used in this article highlight this article by far from accuracy and response time perspective. Consequently, it leads to obtain LPF of generating units accurately and in a very short time. The effects of these coefficients in solving the UC problem on the IEEE118 sample network have also been searched.