Effective Load Sharing Scheme for Distribution Substation by Using Fuzzy Logic Controller

Abstract

Load variation is a major problem in power system which affects the supply system
adversely. Load fluctuation may damage the supply equipment's partially or permanently in a
distributed generating system. The load variation at the receiving side of power system is not
in our hand, but by using some techniques we can overcome this problem. Load Sharing is an
excellent choice for the transformation of load from surplus zone to deficient zone. Load
sharing is necessary for a distribution substation when a transformer is overloaded due to
rapid increase in electrical load it might be damaged, also the overloading in 3-phase system
makes the system unbalanced. With the help of fuzzy logic, we can switch the power supply
corresponding to the appropriate available load.