Abstract
In practice, sensitivity matrixes were generated through multiple load-flow analysis, though some literature shows the sensitivity like GSF (Generator Shift Factors) can be calculated through conventional numerical method without using load flow analysis. This paper presents the comparative results of locational marginal pricing on IEEE 7 bus system using both PTDF (Power Transfer Distribution Factors) based on DC load flow and Numerical conventional GSF matrix. The analysis shows the effect of GSF on congestion charges and the losses in the system and their formulation and formation of total locational pricing scheme. This paper further gives a combined pricing based on LMP (Locational Marginal Pricing). The prime goal of this paper is to get a better line flow and less locational marginal pricing.
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