南方电网技术
南方電網技術
남방전망기술
SOUTHERN POWER SYSTEM TECHNOLOGY
2013年
3期
25-29
,共5页
赵宇明%赵志斌%厉天威%赵林杰%孙夏青%黎小林
趙宇明%趙誌斌%厲天威%趙林傑%孫夏青%黎小林
조우명%조지빈%려천위%조림걸%손하청%려소림
电磁屏蔽%换流变压器%检修试验厂房
電磁屏蔽%換流變壓器%檢脩試驗廠房
전자병폐%환류변압기%검수시험엄방
electromagnetic shielding%converter transformer%maintenance workshop
南方电网糯扎渡特高压直流工程普洱换流站换流变压器检修试验厂房位于换流站交流场区域,在直流系统运行时厂房区域存在较大的电磁干扰问题,将严重影响在厂房内开展的换流变压器局放测量。为了满足检修试验厂房的功能要求,基于现有标准提出了检修厂房内部电磁干扰限值要求,在分析换流站内辐射电场和工频磁场在检修试验厂房区域的强度基础上提出了检修试验厂房应具备的屏蔽效能。
南方電網糯扎渡特高壓直流工程普洱換流站換流變壓器檢脩試驗廠房位于換流站交流場區域,在直流繫統運行時廠房區域存在較大的電磁榦擾問題,將嚴重影響在廠房內開展的換流變壓器跼放測量。為瞭滿足檢脩試驗廠房的功能要求,基于現有標準提齣瞭檢脩廠房內部電磁榦擾限值要求,在分析換流站內輻射電場和工頻磁場在檢脩試驗廠房區域的彊度基礎上提齣瞭檢脩試驗廠房應具備的屏蔽效能。
남방전망나찰도특고압직류공정보이환류참환류변압기검수시험엄방위우환류참교류장구역,재직류계통운행시엄방구역존재교대적전자간우문제,장엄중영향재엄방내개전적환류변압기국방측량。위료만족검수시험엄방적공능요구,기우현유표준제출료검수엄방내부전자간우한치요구,재분석환류참내복사전장화공빈자장재검수시험엄방구역적강도기출상제출료검수시험엄방응구비적병폐효능。
The Converter Transformer Repair and Test Plant at Pu'er converter station of Nuozhadu UHVDC project, CSG, is located in a area of the station’s AC field, and thus there are serious problems of electromagnetic interference to the plant operation such as measuring the partial discharge of converter transformer. To fulfill the requirements of the plant, and according to the existing standards, this paper proposes the electromagnetic interference limits for the plant, and suggests its shielding requirement based on strength analysis of the station’s radio electric field and AC power frequency magnetic field in the plant area.