CAJ | 학술논문

给出了四川电网220 kV及以下覆冰输电线路移动直流融冰装置设计、建设、现场融冰技术方案。移动直流融冰装置采用6脉动可控硅整流、强制风冷技术，经紧凑设计后整体尺寸为3．6 m ×1．6 m ×2．4 m，可满足四川电网多条220 kV及以下、100 km以内覆冰输电线路融冰需求。融冰装置设计考虑了谐波对公网及一、二次设备的影响，提出融冰现场安全控制策略。该装置在110 kV线路完成了大电流调试试验，并成功对220 kV线路进行现场融冰，取得了较好的工程应用效果，可为类似的融冰工作提供参考。
급출료사천전망220 kV급이하복빙수전선로이동직류융빙장치설계、건설、현장융빙기술방안。이동직류융빙장치채용6맥동가공규정류、강제풍랭기술，경긴주설계후정체척촌위3．6 m ×1．6 m ×2．4 m，가만족사천전망다조220 kV급이하、100 km이내복빙수전선로융빙수구。융빙장치설계고필료해파대공망급일、이차설비적영향，제출융빙현장안전공제책략。해장치재110 kV선로완성료대전류조시시험，병성공대220 kV선로진행현장융빙，취득료교호적공정응용효과，가위유사적융빙공작제공삼고。
The schemes for the design , construction and field test technology of movable DC de -icer for 220 kV and below ice-coating transmission lines in Sichuan Power Grid are proposed .The movable DC de-icer adopts 6-pulse thyristor rectifier and the forced air-cooling technology , its overall size is 3.6 m ×1.6 m ×2.4 m after the compact design , so it can meet the requirements of several ice -coating transmission lines of 220 kV and below within 100 km in Sichuan Power Grid .The influ-ence of harmonic on the public network and the primary /secondary equipment is considered in the design of de -icer, and the security control strategy in the field is proposed .The high-current commissioning test in 110 kV transmission line and the field ice-melting in 220 kV transmission line are completed with good application effects , which can provide a reference for the similar ice-melting project .