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ti gao bian ya qi jue yuan chuan tong jian ce fang fa de you xiao xing
Author(s): 
Pages: 54-57
Year: Issue:  1
Journal: East China Electric Power

Keyword:  变压器油变压器绝缘电力变压器检测方法固体绝缘介质损有效性含水量绝缘状况绝缘参数;
Abstract: <正> 检测220kV及以上电力变压器的绝缘状况基本上采用传统的方法:测量绕组的绝缘参数(如绝缘电阻、介质损等)和油的试验(包括化学分析、测量介质损等)。我们实际分析了1960台变压器的绝缘和油的参数,结果表明:在全部被确认为绝缘状况恶化的变压器中,用传统的方法发现的,只占其中的3%。从判断可靠性和因停
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