CAJ | 학술논문

超/特高压直流输电工程中换流器控制是整个二次控制保护系统的核心，为避免由于控制保护设备的系统切换时间超出阀基电子设备的技术要求，从而可能引起丢脉冲、换相失败等影响系统稳定运行的情况发生。通过对控制保护设备和阀基电子设备之间接口信号的各种技术指标要求进行研究，并对控制保护设备的结构和判断逻辑进行合理设计，提出一种实现控制保护设备快速系统切换的解决方案，可以将系统切换时间控制在合理范围内。该方案目前已成功应用于多个直流输电工程，并取得了良好的效果。
초/특고압직류수전공정중환류기공제시정개이차공제보호계통적핵심，위피면유우공제보호설비적계통절환시간초출벌기전자설비적기술요구，종이가능인기주맥충、환상실패등영향계통은정운행적정황발생。통과대공제보호설비화벌기전자설비지간접구신호적각충기술지표요구진행연구，병대공제보호설비적결구화판단라집진행합리설계，제출일충실현공제보호설비쾌속계통절환적해결방안，가이장계통절환시간공제재합리범위내。해방안목전이성공응용우다개직류수전공정，병취득료량호적효과。
HVDC or UHVDC transmission project in converter control is the core of the control&protection system. In order to avoid the switching time of the control & protection redundant equipment beyond the technical requirements of the valve base electronics equipment, which may cause lost pulse and commutation failure, affect the stable system operation. This paper researched the control&protection equipment and the valve base electronics equipment interface signals between various technical indicators, and reasonably designed the structure of the control&protection device and the judgment logic. This paper proposed a fast switching system solution, system switching time can be controlled in a reasonable range. The solution has been successfully applied to several HVDC transmission projects, and obtained the good effect.