Economic Dispatch Strategy for Solar Hybrid System using Lambda Iteration Method
Keywords:
Economic Dispatch, Solar Hybrid, Lambda Iteration, Reduced Gradient Method,Abstract
A method for optimal power dispatch of hybrid system consisting of Solar-Diesel-Battery systems in remote area is presented. The aim of this paper is to provide a performance analysis of the method applied for cost reduction related to the constraint and satisfaction of load demand. The method presented utilizes the data and parameter of the Bario Solar Hybrid Central Station, Bario, Sarawak, Malaysia (3.7350° N, 115.4793° E). This work proposes a MATLAB software package to estimate optimal real power value with the least generating cost for the system. The operation, maintenance and investment costs are specified in the cost functions of the energy sources and will consider the assumption of equal incremental cost. Different case study has been carried out to solve the system equation and finally, the result from the proposed method is to be compared to a reduced gradient optimization method. It is found out the method in this study proved to be effective by giving an improved optimization results and efficiency for obtaining optimal power dispatch with few parameters in various tested conditions.Downloads
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