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liang tai dan xiang bian ya qi tong shi jin xing kong zai yun xing shi yan de fang fa yan jiu
Author(s): 
Pages: 62-63
Year: Issue:  3
Journal: Electrical Manufacturing

Keyword:  运行试验大型变压器单相变压器空载损耗空载电流空载运行方法研究并联运行额定电压大容量变压器;
Abstract: <正>两台并联运行时空载损耗与单台测量结果的代数和近似相等,波形系数满足标准要求。随着高电压大容量变压器的日益增多,空载运行试验作为检验铁心磁路设计、制造是否可靠的试验项目越来越多地受到用户重视。在GB/T6451—2008《油浸电力变压器技术参数和要求》的附录A中明确要求进行12h,1.1倍额定电压的空载运行试验,试验后油中应无乙炔,总烃含量无明显变化,无明显局部放电的声、电信号。
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