| A smart and efficient mathematic model of VAR Optimization has been built in this paper, and the author developed an electric power analysis class library that includes reactive power optimizer based on Object-Oriented technology. The advanced primal-dual interior point method is applied to solve optimal problem. It is seen that the method is of stable convergence and the times of iterations are not fluctuant with the influence of problem scale. The C++ language is used for the program, and it was debugged under windows environment. The results include generators' voltages, transformers' ratio and the volumes and location of compensating capacitor. At last, Ward-Hale 6 nodes system and IEEE 30 nodes system are used as the samples of the program, and the rightness and validity are tested through them.Li Li-ying (Electric Power System and Its Automation)Directed by prof. Zhou Qing-jie...
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