遗传算法(genetic algorithm，GA)是一种近年来发展起来的基于自然选择规律的进化算法，本程序利用改进型遗传算法对电力系统进行无功优化，与遗传算法进行比较，通过实际算例分析及MATLAB编程结果运行，成功解决了无功优化问题，并验证了改进型遗传算法的优越性。(The genetic algorithm (genetic algorithm GA) is an evolutionary algorithm based on natural selection rules developed in recent years, the improved genetic algorithm to optimize the reactive power of power system by using this program are compared with the genetic algorithm, through the example analysis and MATLAB programming results of operation, successfully solved the problem of reactive power optimization, and verify the superiority of the improved genetic algorithm.)