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Performance Analysis of Existing Distribution System for Distribution Substation

The reliability performance of power distribution system is significantly influenced by its ability to achieve rapid restoration of consumer supply and speedy return to normal operation conditions. This paper is intended to design and analyze of existing distribution system for Pyinmana substation. The main aim of this paper is to study the distribution system, to analyze the operating components and operating functions, to improve the continuity of supply to prevent the disturbance fault in distribution system and to consider the future plan of voltage regulation, line looses and line efficiency in this substation . The programs to implement for achieving this paper are to understand the relating theoretical background knowledge for analysis of distribution system, to choose the circuit breaker of the system and to calculate the voltage regulation, line losses and line efficiency for the outgoing feeders. And then, the study of daily load utilization for Pyinmana substation also involves. Keywords—voltage regulation, line losses, line efficiency