旁路代路操作及常見故障分析
李繼光，蔣國(guó)順
(廣東電網(wǎng)有限責(zé)任公司佛山供電局，廣東 佛山 528000)
摘 要： 建立了220 kV 變電站典型模型，介紹了旁路代線路開關(guān)和旁路代主變變高開關(guān)的操作過(guò)程、注意事項(xiàng)及常見故障。指出旁路代路的主要過(guò)程為保護(hù)定值的整定及對(duì)旁路母線充電、代開關(guān)操作等，而代主變開關(guān)時(shí)，二次操作與一次操作配合必須緊密，否則將引起事故。
關(guān)鍵詞： 旁路開關(guān)；旁路母線充電；CT 切換；PT 非正常并列
中圖分類號(hào)：TM645.2+4 文獻(xiàn)標(biāo)識(shí)碼：B 文章編號(hào)：1007-3175(2015)03-0038-03
Analysis on Operation Process and Common Faults of Bypass Switch
LI Ji-guang, JIANG Guo-shun
（Foshan Power Supply Bureau, Guangdong Power Grid Co., Ltd, Foshan 528000, China）
Abstract: The 220 kV typical substation model was established. Introduction was made to the operation process, matters needing attention and common fault when the bypass switch replaced the switching of line or the main transformer high switch. The main process of bypass switch replaced line is to protect the setting value, the bypass bus charging, switch replaced operation. When the bypass switch replaced the switching of the main transformer switch, the secondary electrical operation must match up the primary electrical operation closely, otherwise faults will take place.
Key words: bypass switch; bypass bus charging; CT transforming; PT abnormal juxtaposition
參考文獻(xiàn)
[1] 中國(guó)南方電網(wǎng)有限責(zé)任公司.電氣操作導(dǎo)則[S].廣州：中國(guó)南方電網(wǎng)有限責(zé)任公司，2004.
[2] 陳海亮.旁路開關(guān)代路操作方法的分析[J].電工技術(shù)，2008(8)：77-79.
[3] 曾子縣.220 kV光纖縱聯(lián)保護(hù)中旁路保護(hù)代線路保護(hù)的若干問題[J].廣東電力，2011，24(8)：44-46.
[4] 屈世民，李錦錦. 基于雙套大差動(dòng)保護(hù)的220 kV 主變代路新方法[J]. 電力系統(tǒng)保護(hù)與控制，2011，39(6)：144-146.
