Abstract
ECONOMIC LOAD DISPATCH OF INTEGRATION OF PV WITH THERMAL GENERATION – A COMPARISON OF SOLVER WITH MOTH FLAME ALGORITHM
*Sridevi Pusapati and Dr. B. Ravindranath Reddy
ABSTRACT
In this paper, economic load dispatch problem considering Hybrid power system using Moth flame algorithm is discussed. Load Dispatch is the allocation of the load demand to the various interconnected generating units considering their various constraints so as to obtain the most economical operating costs. Conventional sources like coal in Thermal Power plant is fast depleting, its cost of operation is more and also each generating unit usually has a unique cost-per-hour characteristic .There is a vast scope of the solar power generation in India due to the high solar irradiance index and the cost of operation of is less. The problem of ELD with the inclusion of the renewable power sources will reduce the load of generation on the thermal units. Hence here 6 Thermal units are considered along with 4solar (PV) units. In this paper Moth Flame Algorithm (MFA) is used as it is robust and requires only few control variables to regulate and works best in exploration and exploitation of the search space effectively and efficiently. The results are compared with GRG algorithm in Solver tool of Excel, by considering the fuel cost coefficients and emission penalty constants of thermal power plants and the factor of overestimation, underestimation of available solar power. It is observed that as the number of PV units are increased the cost of load dispatch is decreased and the Moth Flame Algorithm used can get the solution to the problem in a fast and economical way compared to Solver.
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