Wide area measurements based faultdetection and location method fortransmission lines

Wen Fan; Yuan Liao

doi:10.1186/s41601-019-0121-9

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Wide area measurements based faultdetection and location method fortransmission lines

Contents | 更新时间：2026-06-25

- Wide area measurements based faultdetection and location method fortransmission lines
- Wide area measurements based faultdetection and location method fortransmission lines
- 现代电力系统保护与控制（英文） 2019年4卷第1期
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- DOI：10.1186/s41601-019-0121-9
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- 纸质出版：2019
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Wen Fan, Yuan Liao. Wide area measurements based faultdetection and location method fortransmission lines[J]. 现代电力系统保护与控制（英文）, 2019,4(1).

Wen Fan, Yuan Liao. Wide area measurements based faultdetection and location method fortransmission lines[J]. Protection and Control of Modern Power Systems, 2019, 4(1).
Wen Fan, Yuan Liao. Wide area measurements based faultdetection and location method fortransmission lines[J]. 现代电力系统保护与控制（英文）, 2019,4(1). DOI： 10.1186/s41601-019-0121-9.

Wen Fan, Yuan Liao. Wide area measurements based faultdetection and location method fortransmission lines[J]. Protection and Control of Modern Power Systems, 2019, 4(1). DOI： 10.1186/s41601-019-0121-9.

摘要

Electric power grids are critical infrastructure for delivering energy from generation stations to load centers. To maximize utilization of assets

it is desirable to increase the power transferred over transmission systems. Reliable protection of transmission systems is essential for safeguarding the integrity and reliability of the power grid. Distance protection is the most widely used scheme for protecting transmission lines. Most existing protection systems use local measurements to make a decision while pilot protection is used in some circumstances. Distance protection may fail under stressed operating conditions

which could lead to cascading faults. This paper proposes a system integrity protection scheme by utilizing wide area measurements. The scheme partitions the system into subnetworks or protection zones and employs current measurements to derive a fault identification vector indicating the faulted zone. Then the fault location is pinpointed based on wide area measurements and network data. The proposed method is able to deal with multiple

simultaneous faults

and is applicable to both transposed and untransposed lines. Evaluation studies based on simulation studies are presented.

Abstract

Electric power grids are critical infrastructure for delivering energy from generation stations to load centers. To maximize utilization of assets

simultaneous faults

and is applicable to both transposed and untransposed lines. Evaluation studies based on simulation studies are presented.

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