高压变电站继电保护存在问题的分析与改进

Analysis of Problems Existing in the Second Circuit of Substation Relay Protection

介绍了66-220kV总降压变电所二次变电站综合自动化系统继电（微机）保护二次回路存在的问题，并进行了分析探讨，提出了相应的改进完善措施，对今后发展进行了分析规划。

Describe the problems existing in the relay（micro-computer） protection second circuit of comprehensive automation system in the second substation of 66kV-220kV total voltage step-down substation. After the analysis and discussion, put forward the corresponding improving measures, and make analysis and layout for the future development.