PHASE COMPARISON PROTECTION ENHANCEMENT FOR LOW-CURRENT FAULTS USING LOAD CURRENT COMPONENT ESTIMATION

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SANAYE PASAND M.; JAFARI NOUKANDI M.

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Journal: NASHRIYYAH -I MUHANDISI -I BARQ VA MUHANDISI -I KAMPYUTAR -I IRAN, A- MUHANDISI -I BARQ Year:2009 | Volume:7 | Issue:1 Page(s): 33-41

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Title

PHASE COMPARISON PROTECTION ENHANCEMENT FOR LOW-CURRENT FAULTS USING LOAD CURRENT COMPONENT ESTIMATION

Author(s)

SANAYE PASAND M. | JAFARI NOUKANDI M. | Issue Writer Certificate

Keywords

PHASE COMPARISON PROTECTIONQ3

FAULT RESISTANCEQ3

LOAD CURRENTQ3

FAULT COMPONENT OF CURRENTQ3

RECONSTRUCTIONQ3

Abstract

Phase angle between the currents measured at the two ends of a protected transmission line could be highly affected by LOAD CURRENT component for high resistance internal faults. As a result, the PHASE COMPARISON PROTECTION (PCP) scheme might fail to recognize these kinds of faults. In this paper a new approach is proposed to enhance the accuracy of PCP scheme to detect such kind of faults. The FAULT COMPONENT OF CURRENT signal is reconstructed using the estimation of load component of the current signal under fault condition. Therefore, the proposed method eliminates the phase angle difference due to the load component. The pre-fault current of the line is used as the estimation of the LOAD CURRENT component during the fault condition. It is shown that this approximation enhances the performance of PCP scheme for high resistance faults. It also increases the accuracy of classifying fault type due to increase of the sensitivity of fault detection units. The proposed method is simulated for a test system and is examined for various fault conditions. Obtained results show major improvement in the performance of PCP scheme.

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APA: Copy

SANAYE PASAND, M., & JAFARI NOUKANDI, M.. (2009). PHASE COMPARISON PROTECTION ENHANCEMENT FOR LOW-CURRENT FAULTS USING LOAD CURRENT COMPONENT ESTIMATION. NASHRIYYAH-I MUHANDESI-I BARQ VA MUHANDESI-I KAMPYUTAR-I IRAN (PERSIAN), 7(1), 33-41. SID. https://sid.ir/paper/53689/en

Vancouver: Copy

SANAYE PASAND M., JAFARI NOUKANDI M.. PHASE COMPARISON PROTECTION ENHANCEMENT FOR LOW-CURRENT FAULTS USING LOAD CURRENT COMPONENT ESTIMATION. NASHRIYYAH-I MUHANDESI-I BARQ VA MUHANDESI-I KAMPYUTAR-I IRAN (PERSIAN)[Internet]. 2009;7(1):33-41. Available from: https://sid.ir/paper/53689/en

IEEE: Copy

M. SANAYE PASAND, and M. JAFARI NOUKANDI, “PHASE COMPARISON PROTECTION ENHANCEMENT FOR LOW-CURRENT FAULTS USING LOAD CURRENT COMPONENT ESTIMATION,” NASHRIYYAH-I MUHANDESI-I BARQ VA MUHANDESI-I KAMPYUTAR-I IRAN (PERSIAN), vol. 7, no. 1, pp. 33–41, 2009, [Online]. Available: https://sid.ir/paper/53689/en

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