Adaptive transformer thermal overload protection

G. W. Swift; S. E. Zocholl; M. Bajpai; J. F. Burger; C. H. Castro; S. R. Chano; F. Cobelo; P. De Saݩ; E. C. Fennell; J. G. Gilbert; S. E. Grier; R. W. Haas; W. G. Hartmann; R. A. Hedding; P. Kerrigan; S. Mazumdar; D. H. Miller; P. G. Mysore; M. Nagpal; R. V. Rebbapragada; M. V. Thaden; J. T. Uchiyama; S. M. Usman; J. D. Wardlow; M. Yalla

doi:10.1109/61.956730

Adaptive transformer thermal overload protection

G. W. Swift, S. E. Zocholl, M. Bajpai, J. F. Burger, C. H. Castro, S. R. Chano, F. Cobelo, P. De Saݩ, E. C. Fennell, J. G. Gilbert, S. E. Grier, R. W. Haas, W. G. Hartmann, R. A. Hedding, P. Kerrigan, S. Mazumdar, D. H. Miller, P. G. Mysore, M. Nagpal, R. V. RebbapragadaM. V. Thaden, J. T. Uchiyama, S. M. Usman, J. D. Wardlow, M. Yalla

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Abstract

This paper is based on a report of the same title, prepared by Working Group K3 of the Substation Protection Subcommittee of the Power System Relaying Committee of the Power Engineering Society of the IEEE. The paper begins with background information on the causes, measurement techniques, and consequences of overheating in mineral-oil-immersed power transformers. Then techniques for adaptive transformer thermal overload protection based on the real-time solution of the transient heating equations are presented. An adaptive overcurrent protection implementation, and the related functional requirements, are discussed. The equations of Clause 7 of the 1995 IEEE Guide for Loading Mineral-Oil-Immersed Transformers are used in the analysis, with a slight modification to allow for continuously varying ambient temperature.

Original language	English (US)
Pages (from-to)	516-521
Number of pages	6
Journal	IEEE Transactions on Power Delivery
Volume	16
Issue number	4
DOIs	https://doi.org/10.1109/61.956730
State	Published - Oct 2001
Externally published	Yes

Keywords

Protection
Temperature
Transformer

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Swift, G. W., Zocholl, S. E., Bajpai, M., Burger, J. F., Castro, C. H., Chano, S. R., Cobelo, F., De Saݩ, P., Fennell, E. C., Gilbert, J. G., Grier, S. E., Haas, R. W., Hartmann, W. G., Hedding, R. A., Kerrigan, P., Mazumdar, S., Miller, D. H., Mysore, P. G., Nagpal, M., ... Yalla, M. (2001). Adaptive transformer thermal overload protection. IEEE Transactions on Power Delivery, 16(4), 516-521. https://doi.org/10.1109/61.956730

Swift, GW, Zocholl, SE, Bajpai, M, Burger, JF, Castro, CH, Chano, SR, Cobelo, F, De Saݩ, P, Fennell, EC, Gilbert, JG, Grier, SE, Haas, RW, Hartmann, WG, Hedding, RA, Kerrigan, P, Mazumdar, S, Miller, DH, Mysore, PG, Nagpal, M, Rebbapragada, RV, Thaden, MV, Uchiyama, JT, Usman, SM, Wardlow, JD & Yalla, M 2001, 'Adaptive transformer thermal overload protection', IEEE Transactions on Power Delivery, vol. 16, no. 4, pp. 516-521. https://doi.org/10.1109/61.956730

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author = "Swift, {G. W.} and Zocholl, {S. E.} and M. Bajpai and Burger, {J. F.} and Castro, {C. H.} and Chano, {S. R.} and F. Cobelo and {De Saݩ}, P. and Fennell, {E. C.} and Gilbert, {J. G.} and Grier, {S. E.} and Haas, {R. W.} and Hartmann, {W. G.} and Hedding, {R. A.} and P. Kerrigan and S. Mazumdar and Miller, {D. H.} and Mysore, {P. G.} and M. Nagpal and Rebbapragada, {R. V.} and Thaden, {M. V.} and Uchiyama, {J. T.} and Usman, {S. M.} and Wardlow, {J. D.} and M. Yalla",

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AU - Castro, C. H.

AU - Chano, S. R.

AU - Cobelo, F.

AU - De Saݩ, P.

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AU - Gilbert, J. G.

AU - Grier, S. E.

AU - Haas, R. W.

AU - Hartmann, W. G.

AU - Hedding, R. A.

AU - Kerrigan, P.

AU - Mazumdar, S.

AU - Miller, D. H.

AU - Mysore, P. G.

AU - Nagpal, M.

AU - Rebbapragada, R. V.

AU - Thaden, M. V.

AU - Uchiyama, J. T.

AU - Usman, S. M.

AU - Wardlow, J. D.

AU - Yalla, M.

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AB - This paper is based on a report of the same title, prepared by Working Group K3 of the Substation Protection Subcommittee of the Power System Relaying Committee of the Power Engineering Society of the IEEE. The paper begins with background information on the causes, measurement techniques, and consequences of overheating in mineral-oil-immersed power transformers. Then techniques for adaptive transformer thermal overload protection based on the real-time solution of the transient heating equations are presented. An adaptive overcurrent protection implementation, and the related functional requirements, are discussed. The equations of Clause 7 of the 1995 IEEE Guide for Loading Mineral-Oil-Immersed Transformers are used in the analysis, with a slight modification to allow for continuously varying ambient temperature.

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Adaptive transformer thermal overload protection

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Keywords

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