Optimizing the Electric Power System Operation Mode under the Conditions of Emergency Power Line Outages and at Peak Loads Using FACTS and Demand Response Programs
Abstract
Modern electric power systems are characterized by frequent changes of operating parameters and circuit configurations caused by random factors, which may entail emergency outages of its main elements – generators and power lines Under these conditions, to cover a demand, for example, during peak load periods, in a power system having a limited reserve of generating capacity, additional technical measures will be necessary to simultaneously maximize power transmission and increase the power system static stability limit. The article proposes a multi-purpose approach to optimizing the power system operation mode under the conditions of power line failures and changes in demand during peak load periods. The optimization problem is technically solved by applying modern compensating means, including series and shunt FACTS devices, as well as demand response programs. The solution of the multi-purpose optimization problem makes it possible to study the impact of possible power line failures on the capacity of compensating devices and the choice of the degree of response to demand, as well as the associated costs in case of various load changes during peak periods. The development and application of various strategies for selecting suitable multi-purpose functions ensures simultaneous improvement of the technical and economic indicators of the power system operating in a competitive market. The use of evolutionary methods to solve multi-purpose optimization problems makes it possible to obtain more flexible management of compensation devices and the software implementation of demand response in the power system. Simulation computer programs have been developed in the MATLAB and PSAT environments using the IEEE 30-bus test system.
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24. Power Systems Test Case Archive [Электрон. ресурс], URL: https://labs.ece.uw.edu/pstca (дата обращения 15.02.2024)