Електрична частина підстанції 330/110/10 кВ з дослідженням показників якості електроенергії

Abstract

In the master's qualification work the electric part of two-transformer substation with voltage 330/110/10 kV is designed. In the electrical part, the calculation of the schedules of electrical loads was made, a structural scheme of the station, schemes of open distribution units (ODU) 330, 110 and 10 kV and a scheme of own needs of the substation were designed. Selected switching equipment, current-carrying parts, measuring transformers, surge suppressors, battery storage, as well as lightning protection and grounding devices of 330, 110 kV distribution units were made. The main indicators of electricity quality are investigated. In the section of labor protection the analysis of potentially dangerous and harmful production factors at the substation has been carried out and the measures of safety of life of personnel in emergency situations have been proposed. In the economic part of the work indicators and criteria of economic efficiency are considered, capital investments are defined, substation operation costs and payback period are determined.