电力勘测设计
電力勘測設計
전력감측설계
ELECTRIC POWER SURVEY
2014年
4期
17-19,47
,共4页
雷小舟%刘阳%温灵长
雷小舟%劉暘%溫靈長
뢰소주%류양%온령장
电磁环境%四回线路%最优相序
電磁環境%四迴線路%最優相序
전자배경%사회선로%최우상서
electromagnetic environment%quadruple-circuit transmission line%best phase sequence
分析了适用于1000kV/500kV同塔混压四回交流输电线路无线电干扰计算方法,计算了所有相序排列方式下的工频电场、可听噪声和无线电干扰水平,对比结果获得6种最优相序和6种最差相序,并讨论了最优相序的适用性。结果表明,采用最优相序布置导线可以明显改善电磁环境,且随着导线空间布置的变化,最优相序始终不变并保持在电磁环境方面的优越性。
分析瞭適用于1000kV/500kV同塔混壓四迴交流輸電線路無線電榦擾計算方法,計算瞭所有相序排列方式下的工頻電場、可聽譟聲和無線電榦擾水平,對比結果穫得6種最優相序和6種最差相序,併討論瞭最優相序的適用性。結果錶明,採用最優相序佈置導線可以明顯改善電磁環境,且隨著導線空間佈置的變化,最優相序始終不變併保持在電磁環境方麵的優越性。
분석료괄용우1000kV/500kV동탑혼압사회교류수전선로무선전간우계산방법,계산료소유상서배렬방식하적공빈전장、가은조성화무선전간우수평,대비결과획득6충최우상서화6충최차상서,병토론료최우상서적괄용성。결과표명,채용최우상서포치도선가이명현개선전자배경,차수착도선공간포치적변화,최우상서시종불변병보지재전자배경방면적우월성。
This paper has analyzed the calculation method of Radio Interference (RI) which applies to quadruple-circuit transmission line with dual voltage 1000kV/500kV on the same tower. After computing the electric field strength, Audible Noise (AN) and RI under all the phase sequences, the paper has got six best phase sequences and six worst sequences. Then the scope of application for best sequences has been analyzed and the results show that the best phase sequences can notably improve the electromagnetic environment and maintain the superiority in the aspect of electromagnetic environment as conductors spacing changes.