DETERMINATION OF A NEW MODEL FOR INVESTIGATING ULTRA-SATURATION PHENOMENON DURING THE ENERGIZING OF UNLOAD POWER TRANSFORMER WITH ADDITIONAL LINE/LOAD FROM THE SUPPLYING SIDE AND ITS EFFECT ON DIFFERENTIAL PROTECTION BASED ON DISCRETE FOURIER TRANSFORM

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NOSHAD B.; RAZAZ M.; SEIFOSSADAT S.GH.

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Journal Paper

Paper Information

Journal: COMPUTATIONAL INTELLIGENCE IN ELECTRICAL ENGINEERING (INTELLIGENT SYSTEMS IN ELECTRICAL ENGINEERING) Year:2012 | Volume:3 | Issue:3 Page(s): 41-54

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Title

DETERMINATION OF A NEW MODEL FOR INVESTIGATING ULTRA-SATURATION PHENOMENON DURING THE ENERGIZING OF UNLOAD POWER TRANSFORMER WITH ADDITIONAL LINE/LOAD FROM THE SUPPLYING SIDE AND ITS EFFECT ON DIFFERENTIAL PROTECTION BASED ON DISCRETE FOURIER TRANSFORM

Author(s)

NOSHAD B. | RAZAZ M. | SEIFOSSADAT S.GH. | Issue Writer Certificate

Keywords

DISCRETE FOURIER TRANSFORM (DFT) ALGORITHMQ3

ULTRA-SATURATION PHENOMENONQ2

UNLOADED TRANSFORMER ENERGIZING WITH ADDITIONAL LINE/LOAD FROM THE SUPPLYING SIDEQ3

TRANSFORMER DIFFERENTIAL PROTECTIONQ3

Abstract

One of mal-operations of the TRANSFORMER DIFFERENTIAL PROTECTION during the unload transformer energizing with additional line/load from the supplying side is ULTRA-SATURATION PHENOMENON. In this paper, first a new model according to Discrete Fourier Transform (DFT) algorithm for investigating the ULTRA-SATURATION PHENOMENON during the unload transformer energizing with additional line/load from the supplying side is presented and its effect on the differential protection of the transformer is considered. In this model, the nonlinear characteristic of the transformer core and the effect of current transformer are taken into account. It is assumed that the additional line/load from the supplying side of the power transformer is a resistive-inductive load. Also, the effect of the residual flux, inception angle and additional line/load from the supplying side on the ULTRA-SATURATION PHENOMENON is investigated. Then, the mal-operation of differential protection by using DFT algorithm is described.

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APA: Copy

NOSHAD, B., RAZAZ, M., & SEIFOSSADAT, S.GH.. (2012). DETERMINATION OF A NEW MODEL FOR INVESTIGATING ULTRA-SATURATION PHENOMENON DURING THE ENERGIZING OF UNLOAD POWER TRANSFORMER WITH ADDITIONAL LINE/LOAD FROM THE SUPPLYING SIDE AND ITS EFFECT ON DIFFERENTIAL PROTECTION BASED ON DISCRETE FOURIER TRANSFORM. COMPUTATIONAL INTELLIGENCE IN ELECTRICAL ENGINEERING (INTELLIGENT SYSTEMS IN ELECTRICAL ENGINEERING), 3(3), 41-54. SID. https://sid.ir/paper/203059/en

Vancouver: Copy

NOSHAD B., RAZAZ M., SEIFOSSADAT S.GH.. DETERMINATION OF A NEW MODEL FOR INVESTIGATING ULTRA-SATURATION PHENOMENON DURING THE ENERGIZING OF UNLOAD POWER TRANSFORMER WITH ADDITIONAL LINE/LOAD FROM THE SUPPLYING SIDE AND ITS EFFECT ON DIFFERENTIAL PROTECTION BASED ON DISCRETE FOURIER TRANSFORM. COMPUTATIONAL INTELLIGENCE IN ELECTRICAL ENGINEERING (INTELLIGENT SYSTEMS IN ELECTRICAL ENGINEERING)[Internet]. 2012;3(3):41-54. Available from: https://sid.ir/paper/203059/en

IEEE: Copy

B. NOSHAD, M. RAZAZ, and S.GH. SEIFOSSADAT, “DETERMINATION OF A NEW MODEL FOR INVESTIGATING ULTRA-SATURATION PHENOMENON DURING THE ENERGIZING OF UNLOAD POWER TRANSFORMER WITH ADDITIONAL LINE/LOAD FROM THE SUPPLYING SIDE AND ITS EFFECT ON DIFFERENTIAL PROTECTION BASED ON DISCRETE FOURIER TRANSFORM,” COMPUTATIONAL INTELLIGENCE IN ELECTRICAL ENGINEERING (INTELLIGENT SYSTEMS IN ELECTRICAL ENGINEERING), vol. 3, no. 3, pp. 41–54, 2012, [Online]. Available: https://sid.ir/paper/203059/en

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