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| 摘要: |
| 目前，在变电站自动化系统断路器控制回路中，为保证可靠合／分闸而增加了合／分闸保持元件，这种设计在断路器机构或辅助开关故障时易损坏控制回路元件。针对这种问题，提出在自动化系统断路器控制回路中增加超时返回继电器的改进措施并确定继电器的选型。改进后的断路器控制回路能保证合／分闸回路的电器元件安全可靠运行．并能在断路器机构故障时通过自动化系统向调度端发报警信号。 |
| 关键词: 断路器控制回路 超时返回 告警 改进 |
| DOI： |
| 分类号:TM561 |
| 基金项目: |
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| Improvement of breaker control circuit of substation automation system |
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LIU Bin
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| Abstract: |
| To ensure the reliable breaker on-off operation,holding element is added in breaker control circuit of substation automation system,which may damage control circuit elements when there is breaker or pilot switch fault. An improvement is presented by adding an overtime-return relay in breaker control circuit ,and the type of relay is determined. The improved control circuit realizes the safe and reliable operation of on-off circuit elements,and warns dispatch center by automation system when there is breaker fault. |
| Key words: breaker control circuit overtime return alarm improvement |
