一种油浸式变压器状态评估方法及其装置

Method and device for estimating state of oil-immersed transformer

Abstract

The invention relates to a method for estimating a state of an oil-immersed transformer. A state estimation index HI is obtained according to a theoretical health index HI1 of the transformer and a test health index HI2 of the transformer; the index HI is used for estimating a health state of the transformer, wherein a is more than 0 and less than 1, represents a proportion coefficient of the theoretical health index HI1 and meets the expression that HI=aHI1+(1-a)HI2; and a maintenance strategy of the transformer is called according to the obtained HI. Due to the theoretical health index and the test health index, the transformer maintenance work in the prior is simplified in a simple and complete manner.
本发明涉及油浸式变压器状态评估方法,其利用变压器的理论健康指数HI1,和试验健康指数HI2,获取状态评估指数HI,所述指数HI用于评估变压器的健康状态,其中0<<1,表示理论健康指数HI1的比例系数,且满足:;在此基础上以所得HI为依据,调用变压器的维护策略。通过理论健康指数和试验健康指数,本发明以尽量简单、尽可能完备的形式简化了现有技术中的变压器维护工作。

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NO-Patent Citations (4)

    Title
    JAHROMI,A 等: "《An approach to power transformer asset management using health index》", 《ELECTRICAL INSULATION MAGAZINE,IEEE》, vol. 25, no. 2, 21 March 2009 (2009-03-21)
    刘伟: "《电力变压器健康状态评估与剩余寿命分析》", 《万方学位论文全文数据库》, 21 August 2009 (2009-08-21)
    覃煜 等: "《基于油气分析的电力变压器状态评估方法》", 《南方电网技术》, vol. 6, no. 4, 31 August 2012 (2012-08-31)
    赵文清 等: "《变压器状态评估综述》", 《变压器》, vol. 44, no. 11, 30 November 2007 (2007-11-30)

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