母线保护中双母线运行方式的自适应研究

针对母线保护中双母线接线方式，指出当运行方式出错时，传统的微机母线只能在小范围内作出选择，从而会对母线保护的正确动作造成影响的问题。在分析了运行方式的出错原因及影响后，研究提出了正常运行时对运行方式采取刀闸变住校验和刀闸补入，故障后再对运行方式进行二次确认，最后用刀闸补跳收尾的方案。此方案可确保由于运行方式自适应过程中的出错对母线保护造成的影响为零。

Study on the Adaptive Operational Mode of Double Bus in Bus Protection

In the double bus mode of bus protection,when in a fault operation mode microprocessor-based bus protection can make right choice in a little scope,which may affect the operation of bus protection.After the analysis on reasons and effects of operation mode,this paper presents a new scheme which has three steps: firstly checking the switch position change and adopting switch-input in normal operation,secondly affirming the operation mode after fault and at last using switch-backup.The proposed scheme can red...