2007•Power System TechnologyRequires access

Calculation of Locational Marginal Price Based on Primal-Dual Interior Point Method

Hui Zhou

Abstract

Locational marginal price (LMP) plays an important role in electric power transaction and treatment of power transmission congestion. A linear programming model for calculation of LMP is established; the difficulties existing in the solution of LMP by traditional linear programming are analyzed; and a calculation approach for LMP based on primal-dual interior point method is proposed. The calculation results of typical 6-bus power system show that the proposed method can find satisfied result, the calculation speed is fast, and the convergence is good.

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Available abstract

Key concepts: Interior point method, Dual (grammatical number), Mathematical optimization, Convergence (economics), Linear programming, Point (geometry), Transmission (telecommunications), Marginal cost