220kv電網(wǎng)繼電保護整定計算與自動裝置配置設(shè)計

1、畢 業(yè) 設(shè) 計(論文 論文)題 目 220kV 電網(wǎng)繼電保護整定計算 與自動裝置配置設(shè)計系 別 電力工程系專業(yè)班級 專業(yè)班級 電氣工程及其自動化專業(yè) 09k6 班學(xué)生姓名 學(xué)生姓名 王瑩指導(dǎo)教師 指導(dǎo)教師 劉寶志二○一三年六月 一三年六月220kV POWER GRID RELAY PROTECTION SETTING CALCULATION AND DESIGN OF AUTOMATIC DEVICE CONFIGURAT

2、IONAbstractThe power system protection used to protect network and its equipment, scientific research, design, operation and dispatching departments all attach important to the power system protection.Research in this ar

3、ticle is about the 220kV power system relay protection setting calculation and automatic device configuration, including line configuration calculation of equivalent system of relay protection, short circuit current calc

4、ulations and automatic reclosing configuration. Setting calculation is to remove accident timely for protection devices protection. The research has great economic and social benefits. Reasonable protection setting calcu

5、lation to improve the operational performance has an important role in protecting the device fast, accurate tuning action depending precisely calculated to ensure a reasonable value. It must meet the protection and secur

6、ity automatic equipment reliability, selectivity, sensitivity resistance, and mobility requirements. For this grid structure, parameters, and other aspects of operation mode considerations ultimately determine the type o

7、f protection: the main protection using longitudinal differential protection. This protection not only protects the line length and has a speed and mobility; Backup protection using phase distance for ground fault protec