{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,23]],"date-time":"2026-03-23T11:59:08Z","timestamp":1774267148346,"version":"3.50.1"},"reference-count":31,"publisher":"MDPI AG","issue":"12","license":[{"start":{"date-parts":[[2016,11,30]],"date-time":"2016-11-30T00:00:00Z","timestamp":1480464000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"the Science and Technology Commission of Shanghai Municipality","award":["14DZ1201403"],"award-info":[{"award-number":["14DZ1201403"]}]},{"name":"the Natural Science Foundation of China","award":["61275090"],"award-info":[{"award-number":["61275090"]}]},{"name":"the Natural Science Foundation of China","award":["61422507"],"award-info":[{"award-number":["61422507"]}]},{"name":"the Natural Science Foundation of China","award":["61227012"],"award-info":[{"award-number":["61227012"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>We have proposed and demonstrated a Michelson interferometer-based fiber sensor for detecting acoustic emission generated from the partial discharge (PD) of the accessories of a high-voltage cable system. The developed sensor head is integrated with a compact and relatively high sensitivity cylindrical elastomer. Such a sensor has a broadband frequency response and a relatively high sensitivity in a harsh environment under a high-voltage electric field. The design and fabrication of the sensor head integrated with the cylindrical elastomer is described, and a series of experiments was conducted to evaluate the sensing performance. The experimental results demonstrate that the sensitivity of our developed sensor for acoustic detection of partial discharges is 1.7     rad \/  (  m \u22c5 Pa  )     . A high frequency response up to 150 kHz is achieved. Moreover, the relatively high sensitivity for the detection of PD is verified in both the laboratory environment and gas insulated switchgear. The obtained results show the great potential application of a Michelson interferometer-based fiber sensor integrated with a cylindrical elastomer for in-situ monitoring high-voltage cable accessories for safety work.<\/jats:p>","DOI":"10.3390\/s16122026","type":"journal-article","created":{"date-parts":[[2016,11,30]],"date-time":"2016-11-30T10:10:36Z","timestamp":1480500636000},"page":"2026","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":67,"title":["A Fiber-Optic Sensor for Acoustic Emission Detection in a High Voltage Cable System"],"prefix":"10.3390","volume":"16","author":[{"given":"Tongzhi","family":"Zhang","sequence":"first","affiliation":[{"name":"Key Laboratory of Specialty Fiber Optics and Optical Access Networks, Shanghai University, 149 Yanchang Road, Shanghai 200072, China"}]},{"given":"Fufei","family":"Pang","sequence":"additional","affiliation":[{"name":"Key Laboratory of Specialty Fiber Optics and Optical Access Networks, Shanghai University, 149 Yanchang Road, Shanghai 200072, China"}]},{"given":"Huanhuan","family":"Liu","sequence":"additional","affiliation":[{"name":"Key Laboratory of Specialty Fiber Optics and Optical Access Networks, Shanghai University, 149 Yanchang Road, Shanghai 200072, China"}]},{"given":"Jiajing","family":"Cheng","sequence":"additional","affiliation":[{"name":"Key Laboratory of Specialty Fiber Optics and Optical Access Networks, Shanghai University, 149 Yanchang Road, Shanghai 200072, China"}]},{"given":"Longbao","family":"Lv","sequence":"additional","affiliation":[{"name":"Key Laboratory of Specialty Fiber Optics and Optical Access Networks, Shanghai University, 149 Yanchang Road, Shanghai 200072, China"}]},{"given":"Xiaobei","family":"Zhang","sequence":"additional","affiliation":[{"name":"Key Laboratory of Specialty Fiber Optics and Optical Access Networks, Shanghai University, 149 Yanchang Road, Shanghai 200072, China"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0040-1774","authenticated-orcid":false,"given":"Na","family":"Chen","sequence":"additional","affiliation":[{"name":"Key Laboratory of Specialty Fiber Optics and Optical Access Networks, Shanghai University, 149 Yanchang Road, Shanghai 200072, China"}]},{"given":"Tingyun","family":"Wang","sequence":"additional","affiliation":[{"name":"Key Laboratory of Specialty Fiber Optics and Optical Access Networks, Shanghai University, 149 Yanchang Road, Shanghai 200072, China"}]}],"member":"1968","published-online":{"date-parts":[[2016,11,30]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"1362","DOI":"10.3390\/en4091362","article-title":"Reliability evaluation method for oil-paper insulation in power transformers","volume":"4","author":"Wang","year":"2011","journal-title":"Energies"},{"key":"ref_2","doi-asserted-by":"crossref","unstructured":"Nainggolan, J.M., Nakashima, T., Sakoda, T., Otsubo, M., Kurihara, S., Nagasato, S., and Yarimitsu, T. 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