{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,12]],"date-time":"2025-10-12T02:37:46Z","timestamp":1760236666208,"version":"build-2065373602"},"reference-count":14,"publisher":"MDPI AG","issue":"24","license":[{"start":{"date-parts":[[2021,12,13]],"date-time":"2021-12-13T00:00:00Z","timestamp":1639353600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100003699","name":"Korea Railroad Research Institute","doi-asserted-by":"publisher","award":["This work was supported by a grant from the R&D Program of the Korea Railroad Re-search Institute"],"award-info":[{"award-number":["This work was supported by a grant from the R&D Program of the Korea Railroad Re-search Institute"]}],"id":[{"id":"10.13039\/501100003699","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>When a drone is used for inspection of facilities, there are often cases in which high-voltage power lines interfere, resulting in the drone being caught or falling. To prevent this type of incident, drones must be capable of detecting high-voltage power lines. Typically, a strong electric field is formed around the high-voltage lines. To detect the electric fields around high-voltage lines, this study proposes an electric field sensor that may be integrated within the body of a drone. In a laboratory environment, a voltage of 25 kV was applied to an overhead line, and the induced voltage in the proposed sensor was measured at various electric field intensities. Over an electric field range of 0.5 to 10.1 kV\/m, a voltage of 0 to 0.77 V was measured with each proposed sensor. In addition, the electric field and the voltage induced in the sensor were measured in a real-world railway environment with overhead lines. Under these conditions, the proposed sensor has the compensated value of 4.5 when the measured electric field was 4.05 kV\/m. Therefore, the proposed sensor may be applied in drones to measure large electric fields and to detect the presence of high-voltage lines in its vicinity.<\/jats:p>","DOI":"10.3390\/s21248327","type":"journal-article","created":{"date-parts":[[2021,12,14]],"date-time":"2021-12-14T01:22:05Z","timestamp":1639444925000},"page":"8327","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Surface-Integrated Electric Field Sensor for the Detection of High-Voltage Power Lines"],"prefix":"10.3390","volume":"21","author":[{"given":"Gunbok","family":"Lee","sequence":"first","affiliation":[{"name":"Propulsion System Research Department, Korea Railroad Research Institute (KRRI), Uiwang 16105, Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jeong-Yeon","family":"Kim","sequence":"additional","affiliation":[{"name":"School of Electrical, Electronics and Communication Engineering, Korea University of Technology and Education, Cheonan 31253, Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Gildong","family":"Kim","sequence":"additional","affiliation":[{"name":"Propulsion System Research Department, Korea Railroad Research Institute (KRRI), Uiwang 16105, Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2193-928X","authenticated-orcid":false,"given":"Jae Hee","family":"Kim","sequence":"additional","affiliation":[{"name":"School of Electrical, Electronics and Communication Engineering, Korea University of Technology and Education, Cheonan 31253, Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2021,12,13]]},"reference":[{"key":"ref_1","unstructured":"Cao, W., Zhu, L., Han, J., Wang, T., and Du, Y. 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