高电压技术
高電壓技術
고전압기술
HIGH VOLTAGE ENGINEERING
2009年
11期
2865-2869
,共5页
徐青松%劳建明%侯炜%王孟龙
徐青鬆%勞建明%侯煒%王孟龍
서청송%로건명%후위%왕맹룡
输电线路%覆冰%导线温度%倾角%悬垂绝缘子串偏斜角%实时计算%综合监测
輸電線路%覆冰%導線溫度%傾角%懸垂絕緣子串偏斜角%實時計算%綜閤鑑測
수전선로%복빙%도선온도%경각%현수절연자천편사각%실시계산%종합감측
transmission line%ice-coating%conductor temperature%inclination angle%excursion angle of hang insulating string%real-time calculation%synthetic monitor
为实时监测和计算输电线路的覆冰,提出了根据线路导线悬挂点倾角和悬垂绝缘子串偏斜角进行输电线路非均匀覆冰实时计算的模型和方法.从线路耐张段内非均匀覆冰的普遍情况出发,在介绍了设计用经典算法后,详细推导了用导线悬挂点倾角和悬垂绝缘子串偏斜角计算各档导线覆冰厚度的方法和过程,提供了实用的计算公式.另外还介绍了所研制的导线温度-倾角测量装置和悬垂绝缘子串偏斜角测量装置的功能,以及采用小型气象站、线路视频监察装置、导线温度-倾角测量装置和绝缘子串偏斜角测量装置,以及主站和监测软件组成的线路覆冰实时综合监测系统在线路覆冰形成、发展、恶化全过程监测中的作用.系统已在浙江电网实施,它是国内功能比较完整、实用、有效的新一代覆冰实时监测系统.
為實時鑑測和計算輸電線路的覆冰,提齣瞭根據線路導線懸掛點傾角和懸垂絕緣子串偏斜角進行輸電線路非均勻覆冰實時計算的模型和方法.從線路耐張段內非均勻覆冰的普遍情況齣髮,在介紹瞭設計用經典算法後,詳細推導瞭用導線懸掛點傾角和懸垂絕緣子串偏斜角計算各檔導線覆冰厚度的方法和過程,提供瞭實用的計算公式.另外還介紹瞭所研製的導線溫度-傾角測量裝置和懸垂絕緣子串偏斜角測量裝置的功能,以及採用小型氣象站、線路視頻鑑察裝置、導線溫度-傾角測量裝置和絕緣子串偏斜角測量裝置,以及主站和鑑測軟件組成的線路覆冰實時綜閤鑑測繫統在線路覆冰形成、髮展、噁化全過程鑑測中的作用.繫統已在浙江電網實施,它是國內功能比較完整、實用、有效的新一代覆冰實時鑑測繫統.
위실시감측화계산수전선로적복빙,제출료근거선로도선현괘점경각화현수절연자천편사각진행수전선로비균균복빙실시계산적모형화방법.종선로내장단내비균균복빙적보편정황출발,재개소료설계용경전산법후,상세추도료용도선현괘점경각화현수절연자천편사각계산각당도선복빙후도적방법화과정,제공료실용적계산공식.령외환개소료소연제적도선온도-경각측량장치화현수절연자천편사각측량장치적공능,이급채용소형기상참、선로시빈감찰장치、도선온도-경각측량장치화절연자천편사각측량장치,이급주참화감측연건조성적선로복빙실시종합감측계통재선로복빙형성、발전、악화전과정감측중적작용.계통이재절강전망실시,타시국내공능비교완정、실용、유효적신일대복빙실시감측계통.
The real-time calculation and monitoring of transmission lines ice-coating is a new subject.This paper put forward a new real-time calculation and monitoring model and method of transmission lines ice-coating,that is according to the inclination angle of line conductor and the excursion angle of hang insulating string.For the condition of unequal ice-coating at the spans between two pyton towers,after introduced the classical design calculation method,the paper introduce and educe the method and process of calculating conductor ice-coating thickness by the inclination angle of line conductor and the excursion angle of hang insulating string.,and provide practical formulas.The paper also introduce the function of developed conductor temperature-inclination angle monitoring device and excursion angle of hang insulating string monitoring device,and the real-time synthetic monitoring system that is consist of small weather station,line video monitoring device,inclination angle of line conductor monitoring device,excursion angle monitoring device of hang insulating string,the host computer and monitoring software.The system can monitor the complete process of the ice-coating engendering,developing and worsening.The system was already implemented at Electric Network of Zhejiang Province,it has comparative integrated function,and is a practical valid and new generation ice-coating real-time monitoring system.