基于激光诱导击穿光谱的绝缘子污秽可溶盐定量关系

doi:10.19595/j.cnki.1000-6753.tces.180132

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Abstract The contamination of the insulators’ surface can affect the operation of the high -voltage linerunning state. The detection of the existing insulator contamination relied on sampling in the power cut, taking back to lab and testing with element analysis equipment. Laser-induced breakdown spectroscopy(LIBS) with inductively coupled plasma spectroscopy(ICP) provided a new method for determining the contamination level of transmission line insulators and the quantitative relationship between the content of several salt ions and the laser spectrum in artificial contamination was studied. Results showed that the LIBS could directly monitor the content of the elementsin contamination. Mg, Ca and other elements concentration and spectral intensity of certainlines showed a strong linear relationship, while Na and Al hadno significant linear relationship between the soluble salt elements corresponding to the lines. The alkali metal elements such as Na was greatly affected by the matrix effect. The principal component analysis(PCA) was used to analyze the intensity and concentration of multiple elements. The result was good for classifying different contamination components.

Key words： Insulator contamination laser-induced breakdown spectroscopy inductively coupled plasma spectroscopy quantitative relationship principal component analysis

Received: 21 January 2018 Published: 31 January 2019

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	Wang Naixiao
	Wang Xilin
	Jia Zhidong
	Wang Liming
	Huang Ronghui

Cite this article:

Wang Naixiao,Wang Xilin,Jia Zhidong等. Quantitative Relationship of Contaminated Soluble Salts of Insulators Using Laser-Induced Breakdown Spectroscopy[J]. Transactions of China Electrotechnical Society, 2019, 34(3): 620-627.

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https://dgjsxb.ces-transaction.com/EN/10.19595/j.cnki.1000-6753.tces.180132 OR https://dgjsxb.ces-transaction.com/EN/Y2019/V34/I3/620

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