南方电网技术
南方電網技術
남방전망기술
SOUTHERN POWER SYSTEM TECHNOLOGY
2012年
6期
37-40
,共4页
交流滤波器组%分闸过电压%PSCAD
交流濾波器組%分閘過電壓%PSCAD
교류려파기조%분갑과전압%PSCAD
AC filter groups%over voltage of breakings%PSCAD
以贵广Ⅱ回直流模型为基础,应用 PSCAD/EMTDC 仿真分析了滤波器小组断路器在不同的分断方式、不同的分闸时间下断口间过电压及容性电流的大小.结果显示,滤波器分闸时在断口之间的最大暂态过电压与电流基本呈一个反比关系;最佳分断角度为在电压角度为100°~110°或者280°~290°.
以貴廣Ⅱ迴直流模型為基礎,應用 PSCAD/EMTDC 倣真分析瞭濾波器小組斷路器在不同的分斷方式、不同的分閘時間下斷口間過電壓及容性電流的大小.結果顯示,濾波器分閘時在斷口之間的最大暫態過電壓與電流基本呈一箇反比關繫;最佳分斷角度為在電壓角度為100°~110°或者280°~290°.
이귀엄Ⅱ회직류모형위기출,응용 PSCAD/EMTDC 방진분석료려파기소조단로기재불동적분단방식、불동적분갑시간하단구간과전압급용성전류적대소.결과현시,려파기분갑시재단구지간적최대잠태과전압여전류기본정일개반비관계;최가분단각도위재전압각도위100°~110°혹자280°~290°.
Based on the Guizhou–Guangdong DC lineⅡproject model, the switch-off voltage and the capacitative current of AC filters with different breaking modes and break-time are analyzed by PSCAD/EMTDC, and the results show that there is an inverse relationship between the temporary overvoltage and the current during the process of AC filters switching off, and the optimum switching angle is 100°~110°or 280°~290°.
