Protection Technological Reformation Of Ronghui Company

There are a lot of malfunctions in running because Ronghui Company original power supply systems are electromagnetic protection. After the expansion of the company, power suply system has been changed a lot, the original electromagnetism relay and its protection value can't accord with the new power supply system. It is necessary for technological reformation of the power supply system. As a trusty and stablity product, computer protect is abroad used in power supply system.This article analysis about the original power supply system and the action theory of electromagnetic protection in Ronghui Company, also analysis the problem in relay protection and consist of the power supply system after the expansion.This article gives some advice about the reform of the computer protection, and improve it's hardware and software. It describes the realization of "four remote control" in transformer substation, and calculates the setted value of protection. It establish the no body on duty in transformer substation. It carry out the target of safty economic reliablity in running.The analyse in this artical not only improves the electric equipment running, but also provides some useful advice to other company for reconstructing power supply system.