煤矿电网继电保护整定计算软件的设计
Design of Calculation Software for Relay Protection Setting of Coal Mine Power Grid
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摘要: 文章以一个典型的深井供电系统为例,介绍了一种煤矿电网继电保护整定计算软件的设计与开发。该软件利用各个开关柜作为整定单元进行整定计算,稍作参数的修改即可实现各开关柜的整定计算,算法简单、实用;采用VB编程语言和SQL Server 2000数据库作为开发工具,易于实现、维护,且管理功能强大。该软件具有良好的人机交互界面及数据输入、查询、修改、打印输出功能,操作简单,适应性强,提高了煤矿电网继电保护整定值的准确性及继电保护系统的运行管理水平。Abstract: Taking a typical power supply system of deep well as an example,the paper introduced design of a calculation software for relay protection setting of coal mine power grid.The software takes each switch cabinet as setting part to do setting calculation and can realize setting calculation of each switch cabinet by modifying a few parameters,which is simple and practical.It adopts VB program language and SQL Server 2000 database as developing tools so that its development and maintenance are easy and it has strong management function.The software has good man-machine interface and functions of data input,query,modification and print output,which has easy operation and strong adjustability, and improves accuracy of setting values of relay protection of coal mine power grid and running management level of relay protection system.