Impact of residual harmonic current on operation of residual current devices

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademic

8 Citations (Scopus)

Abstract

Residual current devices (RCDs) are most commonly used as a part of the protection system in low voltage installations. RCDs are supposed to disconnect the supply whenever the imbalance current between the live conductor(s) and the neutral conductor, i.e. residual current, exceeds the predetermined value. Such an imbalance is sometimes caused by current leakage through the body of a person who is grounded and accidentally touching the energized part of the circuit, which could result in a lethal shock. However, harmonic components in ground fault current may influence the tripping sensitivity of RCDs, and the protection against electrical shock may not be effective. In the paper, results of theoretical analysis and experiments are presented. Several mechanisms which could influence the tripping sensitivity of RCDs are validated, and their dominant conditions are identified.
Original languageEnglish
Title of host publicationProceedings of the 10th International Conference on Environment and Electrical Engineering (EEEIC 2011), 8-11 May 2011, Rome, Italy
Place of PublicationPiscataway
PublisherInstitute of Electrical and Electronics Engineers
Pages1-4
ISBN (Print)978-1-4244-8779-0
DOIs
Publication statusPublished - 2011
Event10th International Conference on Environment and Electrical Engineering (EEEIC 2011) - Rome, Italy
Duration: 8 May 201111 May 2011
Conference number: 10

Conference

Conference10th International Conference on Environment and Electrical Engineering (EEEIC 2011)
Abbreviated titleEEEIC 2011
CountryItaly
CityRome
Period8/05/1111/05/11

Fingerprint

Electric fault currents
Leakage currents
Networks (circuits)
Electric potential
Experiments

Cite this

Xiang, Y., Cuk, V., & Cobben, J. F. G. (2011). Impact of residual harmonic current on operation of residual current devices. In Proceedings of the 10th International Conference on Environment and Electrical Engineering (EEEIC 2011), 8-11 May 2011, Rome, Italy (pp. 1-4). Piscataway: Institute of Electrical and Electronics Engineers. https://doi.org/10.1109/EEEIC.2011.5874683
Xiang, Y. ; Cuk, V. ; Cobben, J.F.G. / Impact of residual harmonic current on operation of residual current devices. Proceedings of the 10th International Conference on Environment and Electrical Engineering (EEEIC 2011), 8-11 May 2011, Rome, Italy. Piscataway : Institute of Electrical and Electronics Engineers, 2011. pp. 1-4
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Xiang, Y, Cuk, V & Cobben, JFG 2011, Impact of residual harmonic current on operation of residual current devices. in Proceedings of the 10th International Conference on Environment and Electrical Engineering (EEEIC 2011), 8-11 May 2011, Rome, Italy. Institute of Electrical and Electronics Engineers, Piscataway, pp. 1-4, 10th International Conference on Environment and Electrical Engineering (EEEIC 2011), Rome, Italy, 8/05/11. https://doi.org/10.1109/EEEIC.2011.5874683

Impact of residual harmonic current on operation of residual current devices. / Xiang, Y.; Cuk, V.; Cobben, J.F.G.

Proceedings of the 10th International Conference on Environment and Electrical Engineering (EEEIC 2011), 8-11 May 2011, Rome, Italy. Piscataway : Institute of Electrical and Electronics Engineers, 2011. p. 1-4.

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademic

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N2 - Residual current devices (RCDs) are most commonly used as a part of the protection system in low voltage installations. RCDs are supposed to disconnect the supply whenever the imbalance current between the live conductor(s) and the neutral conductor, i.e. residual current, exceeds the predetermined value. Such an imbalance is sometimes caused by current leakage through the body of a person who is grounded and accidentally touching the energized part of the circuit, which could result in a lethal shock. However, harmonic components in ground fault current may influence the tripping sensitivity of RCDs, and the protection against electrical shock may not be effective. In the paper, results of theoretical analysis and experiments are presented. Several mechanisms which could influence the tripping sensitivity of RCDs are validated, and their dominant conditions are identified.

AB - Residual current devices (RCDs) are most commonly used as a part of the protection system in low voltage installations. RCDs are supposed to disconnect the supply whenever the imbalance current between the live conductor(s) and the neutral conductor, i.e. residual current, exceeds the predetermined value. Such an imbalance is sometimes caused by current leakage through the body of a person who is grounded and accidentally touching the energized part of the circuit, which could result in a lethal shock. However, harmonic components in ground fault current may influence the tripping sensitivity of RCDs, and the protection against electrical shock may not be effective. In the paper, results of theoretical analysis and experiments are presented. Several mechanisms which could influence the tripping sensitivity of RCDs are validated, and their dominant conditions are identified.

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Xiang Y, Cuk V, Cobben JFG. Impact of residual harmonic current on operation of residual current devices. In Proceedings of the 10th International Conference on Environment and Electrical Engineering (EEEIC 2011), 8-11 May 2011, Rome, Italy. Piscataway: Institute of Electrical and Electronics Engineers. 2011. p. 1-4 https://doi.org/10.1109/EEEIC.2011.5874683