Performance of restricted earth fault protection scheme in the presence of current transformer remanence

Kamarul Jalal Abdul Jalil, Ab Halim Abu Bakar, Wan Norliza Wan Mahadi, Faridah Hani Mohamed Salleh

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

1 Citation (Scopus)

Abstract

In modern power system protection, an accurate transformation of primary short circuit current is vital to ensure correct operation of the high impedance Restricted Earth Fault (REF) protection scheme used for transformer protection. The dc component in the fault current as well as the remanent flux cans causes severe saturation conditions if the current transformer is not selected correctly. Behavior of the current transformer during the transient condition is important as this will determine the stability of the REF protection scheme. This paper discusses how the remanence phenomenon beside the dc component in the fault current can causes severe saturation to the current transformer and affects the stability of the REF protection scheme.

Original languageEnglish
Title of host publicationPECon 2008 - 2008 IEEE 2nd International Power and Energy Conference
Pages549-552
Number of pages4
DOIs
Publication statusPublished - 01 Dec 2008
Event2008 IEEE 2nd International Power and Energy Conference, PECon 2008 - Johor Baharu, Malaysia
Duration: 01 Dec 200803 Dec 2008

Other

Other2008 IEEE 2nd International Power and Energy Conference, PECon 2008
CountryMalaysia
CityJohor Baharu
Period01/12/0803/12/08

Fingerprint

Electric instrument transformers
Remanence
Electric fault currents
Earth (planet)
Transformer protection
Short circuit currents
Fluxes

All Science Journal Classification (ASJC) codes

  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering

Cite this

Jalil, K. J. A., Bakar, A. H. A., Wan Mahadi, W. N., & Mohamed Salleh, F. H. (2008). Performance of restricted earth fault protection scheme in the presence of current transformer remanence. In PECon 2008 - 2008 IEEE 2nd International Power and Energy Conference (pp. 549-552). [4762536] https://doi.org/10.1109/PECON.2008.4762536
Jalil, Kamarul Jalal Abdul ; Bakar, Ab Halim Abu ; Wan Mahadi, Wan Norliza ; Mohamed Salleh, Faridah Hani. / Performance of restricted earth fault protection scheme in the presence of current transformer remanence. PECon 2008 - 2008 IEEE 2nd International Power and Energy Conference. 2008. pp. 549-552
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Jalil, KJA, Bakar, AHA, Wan Mahadi, WN & Mohamed Salleh, FH 2008, Performance of restricted earth fault protection scheme in the presence of current transformer remanence. in PECon 2008 - 2008 IEEE 2nd International Power and Energy Conference., 4762536, pp. 549-552, 2008 IEEE 2nd International Power and Energy Conference, PECon 2008, Johor Baharu, Malaysia, 01/12/08. https://doi.org/10.1109/PECON.2008.4762536

Performance of restricted earth fault protection scheme in the presence of current transformer remanence. / Jalil, Kamarul Jalal Abdul; Bakar, Ab Halim Abu; Wan Mahadi, Wan Norliza; Mohamed Salleh, Faridah Hani.

PECon 2008 - 2008 IEEE 2nd International Power and Energy Conference. 2008. p. 549-552 4762536.

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

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AU - Jalil, Kamarul Jalal Abdul

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AU - Wan Mahadi, Wan Norliza

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N2 - In modern power system protection, an accurate transformation of primary short circuit current is vital to ensure correct operation of the high impedance Restricted Earth Fault (REF) protection scheme used for transformer protection. The dc component in the fault current as well as the remanent flux cans causes severe saturation conditions if the current transformer is not selected correctly. Behavior of the current transformer during the transient condition is important as this will determine the stability of the REF protection scheme. This paper discusses how the remanence phenomenon beside the dc component in the fault current can causes severe saturation to the current transformer and affects the stability of the REF protection scheme.

AB - In modern power system protection, an accurate transformation of primary short circuit current is vital to ensure correct operation of the high impedance Restricted Earth Fault (REF) protection scheme used for transformer protection. The dc component in the fault current as well as the remanent flux cans causes severe saturation conditions if the current transformer is not selected correctly. Behavior of the current transformer during the transient condition is important as this will determine the stability of the REF protection scheme. This paper discusses how the remanence phenomenon beside the dc component in the fault current can causes severe saturation to the current transformer and affects the stability of the REF protection scheme.

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Jalil KJA, Bakar AHA, Wan Mahadi WN, Mohamed Salleh FH. Performance of restricted earth fault protection scheme in the presence of current transformer remanence. In PECon 2008 - 2008 IEEE 2nd International Power and Energy Conference. 2008. p. 549-552. 4762536 https://doi.org/10.1109/PECON.2008.4762536