CAJ | 학술논문

母线是电能集中和供应的枢纽，母线故障的处理不当将破坏电力系统的安全稳定运行。母线保护装置能及时检测到母线故障，并快速有选择性地切除故障母线，将故障点从系统隔离。母线保护装置运行的可靠性对电力系统的稳定运行有着重要意义。文章从普通比率制功特性的母线差动保护出发，对南瑞BP-2B型微机母线羞动保护的原理和特性进行分析，提出了一种适用于保护定检及装置单独调试的具有普遍适用性的复式比率差动校验方法，对电网微机型母差保护装置的安全稳定运行具有一定意义。
모선시전능집중화공응적추뉴，모선고장적처리불당장파배전력계통적안전은정운행。모선보호장치능급시검측도모선고장，병쾌속유선택성지절제고장모선，장고장점종계통격리。모선보호장치운행적가고성대전력계통적은정운행유착중요의의。문장종보통비솔제공특성적모선차동보호출발，대남서BP-2B형미궤모선수동보호적원리화특성진행분석，제출료일충괄용우보호정검급장치단독조시적구유보편괄용성적복식비솔차동교험방법，대전망미궤형모차보호장치적안전은정운행구유일정의의。
Busbar is the hub of the power concentration and supply. Improper handling of the busbar fault will damage the power system security and stability. Busbar protection device can immediately detect busbar faults, and make fast selective removal of failure busbar, then isolate the fault from the system. Busbar protection operation reliability has an important significance to the stable operation of the power system. From the busbar differential protection of ordinary rate braking characteristics, this article analyzed the principles and characteristics of the NARI BP-2B microprocessor-based bus differential protection, and presented a kind of universal applicable check method for differential protection of compound rate, which is suit for both seized check and separate debugging of protection devices. The method has certain significance for the safe stable operation of microprocessor-based busbar differential protection.