The improved SA algorithm in VAR and voltage control of power system

The necessity of VAR and voltage control of power system is briefly introduced. An improved SA algorithm is proposed based on operational practice and the characteristics of SA. Major problems such as coding modes, generating functions, accepting functions, initial temperature, temperature updating functions as well as the terminating conditions of inner and outer cycle are also taken into consideration. The improved SA algorithm proved to be of higher efficiency, easier principles and realization, faster speed via the test in IEEE standard network.