Partial discharge detection and diagnosis in gas insulated switchgear: State of the art

Qasim Khan; Shady S. Refaat; Haitham Abu-Rub; Hamid A. Toliyat

doi:10.1109/MEI.2019.8735667

Partial discharge detection and diagnosis in gas insulated switchgear: State of the art

Qasim Khan, Shady S. Refaat, Haitham Abu-Rub, Hamid A. Toliyat

Research output: Contribution to journal › Article › peer-review

150 Citations (Scopus)

Abstract

Power utilities are struggling to reduce power failure incidents in substations and their components to operate more reliably and economically [1]. Many power failures are produced directly or indirectly because of the insulation system of utility components [2], [3]. The selection of the insulation should ensure power plant operational continuity along with completely resolving or significantly limiting the actual power system's failures [4]. Gas insulated substations (GIS) have the best insulation performance which ensures achieving minimum failure incidents, although at high installation cost. The most common insulating gas used in GIS is Sulfur hexafluoride (SF₆) gas, which is widely used as an effective electrical insulation as well as an arc-quenching medium [5]. Basic GIS and gas insulated transmission lines (GITL or GIL) consist of a conductor supported by solid insulators inside an enclosure filled with SF₆ gas or its mixture [6].

Original language	English
Article number	8735667
Pages (from-to)	16-33
Number of pages	18
Journal	IEEE Electrical Insulation Magazine
Volume	35
Issue number	4
DOIs	https://doi.org/10.1109/MEI.2019.8735667
Publication status	Published - 1 Jul 2019
Externally published	Yes

Keywords

PD classification
detection methods
gas insulated switchgear
partial discharge

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10.1109/MEI.2019.8735667

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abstract = "Power utilities are struggling to reduce power failure incidents in substations and their components to operate more reliably and economically [1]. Many power failures are produced directly or indirectly because of the insulation system of utility components [2], [3]. The selection of the insulation should ensure power plant operational continuity along with completely resolving or significantly limiting the actual power system's failures [4]. Gas insulated substations (GIS) have the best insulation performance which ensures achieving minimum failure incidents, although at high installation cost. The most common insulating gas used in GIS is Sulfur hexafluoride (SF6) gas, which is widely used as an effective electrical insulation as well as an arc-quenching medium [5]. Basic GIS and gas insulated transmission lines (GITL or GIL) consist of a conductor supported by solid insulators inside an enclosure filled with SF6 gas or its mixture [6].",

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Partial discharge detection and diagnosis in gas insulated switchgear: State of the art

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Keywords

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