Design and Evaluation of a Protection Relay for a Wind Generator Based on the Positive- and Negative-Sequence Fault Components

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Design and Evaluation of a Protection Relay for a Wind Generator Based on the Positive- and Negative-Sequence Fault Components. / Zheng, T. Y. ; Cha, Seung-Tae; Crossley, P. A.; Kang, Y. C. .

In: Journal of Electrical Engineering & Technology, Vol. 8, No. 5, 2013, p. 1029-1039.

Research output: Contribution to journalJournal article – Annual report year: 2014Researchpeer-review

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@article{7feb1047d397412c9f3b9be978c13311,
title = "Design and Evaluation of a Protection Relay for a Wind Generator Based on the Positive- and Negative-Sequence Fault Components",
abstract = "To avoid undesirable disconnection of healthy wind generators (WGs) or a wind power plant, a WG protection relay should discriminate among faults, so that it can operate instantaneously for WG, connected feeder or connection bus faults, it can operate after a delay for inter-tie or grid faults, and it can avoid operating for parallel WG or adjacent feeder faults.A WG protection relay based on the positive- and negativesequence fault components is proposed in the paper. At stage 1, the proposed relay uses the magnitude of the positive-sequencecomponent in the fault current to distinguish faults at a parallel WG connected to the same feeder or at an adjacent feeder, from other faults at a connected feeder, an inter-tie, or a grid. At stage2, the fault type is first determined using the relationships between the positive- and negative-sequence fault components. Then, the relay differentiates between instantaneous operationand delayed operation based on the magnitude of the positivesequence component in the fault current. Various fault scenarios involving changes in the position and type of fault and the faultedphases are used to verify the operating performance of the relay with EMTP-RV generated data. Results indicate that the relay can successfully distinguish the need for instantaneous, delayed,or non-operation.",
keywords = "Wind generator protection, Outage zone minimization, Instantaneous operation, Delayed operation, Nonoperation, and symmetrical components.",
author = "Zheng, {T. Y.} and Seung-Tae Cha and Crossley, {P. A.} and Kang, {Y. C.}",
year = "2013",
doi = "10.5370/JEET.2013.8.5.1029",
language = "English",
volume = "8",
pages = "1029--1039",
journal = "Journal of Electrical Engineering & Technology",
issn = "1975-0102",
publisher = "The Korean Institute of Electrical Engineers",
number = "5",

}

RIS

TY - JOUR

T1 - Design and Evaluation of a Protection Relay for a Wind Generator Based on the Positive- and Negative-Sequence Fault Components

AU - Zheng, T. Y.

AU - Cha, Seung-Tae

AU - Crossley, P. A.

AU - Kang, Y. C.

PY - 2013

Y1 - 2013

N2 - To avoid undesirable disconnection of healthy wind generators (WGs) or a wind power plant, a WG protection relay should discriminate among faults, so that it can operate instantaneously for WG, connected feeder or connection bus faults, it can operate after a delay for inter-tie or grid faults, and it can avoid operating for parallel WG or adjacent feeder faults.A WG protection relay based on the positive- and negativesequence fault components is proposed in the paper. At stage 1, the proposed relay uses the magnitude of the positive-sequencecomponent in the fault current to distinguish faults at a parallel WG connected to the same feeder or at an adjacent feeder, from other faults at a connected feeder, an inter-tie, or a grid. At stage2, the fault type is first determined using the relationships between the positive- and negative-sequence fault components. Then, the relay differentiates between instantaneous operationand delayed operation based on the magnitude of the positivesequence component in the fault current. Various fault scenarios involving changes in the position and type of fault and the faultedphases are used to verify the operating performance of the relay with EMTP-RV generated data. Results indicate that the relay can successfully distinguish the need for instantaneous, delayed,or non-operation.

AB - To avoid undesirable disconnection of healthy wind generators (WGs) or a wind power plant, a WG protection relay should discriminate among faults, so that it can operate instantaneously for WG, connected feeder or connection bus faults, it can operate after a delay for inter-tie or grid faults, and it can avoid operating for parallel WG or adjacent feeder faults.A WG protection relay based on the positive- and negativesequence fault components is proposed in the paper. At stage 1, the proposed relay uses the magnitude of the positive-sequencecomponent in the fault current to distinguish faults at a parallel WG connected to the same feeder or at an adjacent feeder, from other faults at a connected feeder, an inter-tie, or a grid. At stage2, the fault type is first determined using the relationships between the positive- and negative-sequence fault components. Then, the relay differentiates between instantaneous operationand delayed operation based on the magnitude of the positivesequence component in the fault current. Various fault scenarios involving changes in the position and type of fault and the faultedphases are used to verify the operating performance of the relay with EMTP-RV generated data. Results indicate that the relay can successfully distinguish the need for instantaneous, delayed,or non-operation.

KW - Wind generator protection

KW - Outage zone minimization

KW - Instantaneous operation

KW - Delayed operation

KW - Nonoperation, and symmetrical components.

U2 - 10.5370/JEET.2013.8.5.1029

DO - 10.5370/JEET.2013.8.5.1029

M3 - Journal article

VL - 8

SP - 1029

EP - 1039

JO - Journal of Electrical Engineering & Technology

JF - Journal of Electrical Engineering & Technology

SN - 1975-0102

IS - 5

ER -