{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,12]],"date-time":"2025-10-12T02:36:43Z","timestamp":1760236603782,"version":"build-2065373602"},"reference-count":28,"publisher":"MDPI AG","issue":"24","license":[{"start":{"date-parts":[[2021,12,7]],"date-time":"2021-12-07T00:00:00Z","timestamp":1638835200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Science and Technology Project of State Grid Corporation of China","award":["521205190014"],"award-info":[{"award-number":["521205190014"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>Accurate quantitative detection for trace gas has long been the center of failure diagnosis for gas-insulated equipment. An absorption spectroscopy-based detection system was developed for trace SF6 decomposition SO2 detection in this paper. In order to reduce interference from other decomposition, ultraviolet spectrum of SO2 was selected for detection. Firstly, an excimer lamp was developed in this paper as the excitation of the absorption spectroscopy compared with regular light sources with electrodes, such as electrodeless lamps that are more suitable for long-term monitoring. Then, based on the developed excimer lamp, a detection system for trace SO2 was established. Next, a proper absorption peak was selected by calculating spectral derivative for further analysis. Experimental results indicated that good linearity existed between the absorbance and concentration of SO2 at the chosen absorption peak. Moreover, the detection limit of the proposed detection system could reach the level of 10\u22127. The results of this paper could serve as a guide for the application of excimer lamp in online monitoring for SF6-insulated equipment.<\/jats:p>","DOI":"10.3390\/s21248165","type":"journal-article","created":{"date-parts":[[2021,12,7]],"date-time":"2021-12-07T02:48:13Z","timestamp":1638845293000},"page":"8165","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["Application of Excimer Lamp in Quantitative Detection of SF6 Decomposition Component SO2"],"prefix":"10.3390","volume":"21","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-0137-5766","authenticated-orcid":false,"given":"Tunan","family":"Chen","sequence":"first","affiliation":[{"name":"Institute of Electrical Engineering, Chinese Academy of Sciences, Beijing 100190, China"},{"name":"University of Chinese Academy of Sciences, Beijing 100049, China"}]},{"given":"Kang","family":"Li","sequence":"additional","affiliation":[{"name":"Institute of Electrical Engineering, Chinese Academy of Sciences, Beijing 100190, China"}]},{"given":"Fengxiang","family":"Ma","sequence":"additional","affiliation":[{"name":"Electrical Power Research Institute, Anhui Electrical Power Co., Ltd., State Grid, Hefei 230601, China"}]},{"given":"Xinjie","family":"Qiu","sequence":"additional","affiliation":[{"name":"Electrical Power Research Institute, Anhui Electrical Power Co., Ltd., State Grid, Hefei 230601, China"}]},{"given":"Zongjia","family":"Qiu","sequence":"additional","affiliation":[{"name":"Institute of Electrical Engineering, Chinese Academy of Sciences, Beijing 100190, China"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6042-0849","authenticated-orcid":false,"given":"Zhenghai","family":"Liao","sequence":"additional","affiliation":[{"name":"Institute of Electrical Engineering, Chinese Academy of Sciences, Beijing 100190, China"},{"name":"University of Chinese Academy of Sciences, Beijing 100049, China"}]},{"given":"Guoqiang","family":"Zhang","sequence":"additional","affiliation":[{"name":"Institute of Electrical Engineering, Chinese Academy of Sciences, Beijing 100190, China"},{"name":"University of Chinese Academy of Sciences, Beijing 100049, China"}]}],"member":"1968","published-online":{"date-parts":[[2021,12,7]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"37","DOI":"10.1109\/TDEI.2012.6148500","article-title":"Partial discharge recognition through an analysis of SF6 decomposition products part 2: Feature extraction and decision tree-based pattern recognition","volume":"19","author":"Tang","year":"2012","journal-title":"IEEE Trans. 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