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2014•Unpublished venueRequires access

Development of 200-Mvar class thyristor switched capacitor supporting fault ride-through

Asuka Ohtake, Fei Zhang, Takafumi Fujimoto, N. Nakayama

Open publisher page 6 citations

Abstract

A static var compensator was developed using a light-triggered thyristor (LTT) with a self-protection function. This paper describes the development of 200-Mvar class thyristor switched capacitors (TSCs) type with LTTs, which are useful for the recovering system voltage after an AC system fault. However, protection of the TSC is achieved not by the self-protection function of the LTT but by an arrester. Therefore, protection coordinated with the arrester is also described. Moreover, the effectiveness of the TSC with the coordinated protection was demonstrated by a simulator test. Finally, the manufacture and operating record of large-capacity SVCs are shown.

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What this paper is about

A static var compensator was developed using a light-triggered thyristor (LTT) with a self-protection function. This paper describes the development of 200-Mvar class thyristor switched capacitors (TSCs) type with LTTs, which are useful for the recovering system voltage after an AC system fault. However, protection of the TSC is achieved not by the self-protection function of the LTT but by an arrester. Therefore, protection coordinated with the arrester is also described. Moreover, the effectiveness of the TSC with the coordinated protection was demonstrated by a simulator test. Finally, the manufacture and operating record of large-capacity SVCs are shown.

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OpenAlex reports 6 citations for this work. Citation counts describe recorded attention and do not establish research quality.

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Available abstract

A static var compensator was developed using a light-triggered thyristor (LTT) with a self-protection function. This paper describes the development of 200-Mvar class thyristor switched capacitors (TSCs) type with LTTs, which are useful for the recovering system voltage after an AC system fault. However, protection of the TSC is achieved not by the self-protection function of the LTT but by an arrester. Therefore, protection coordinated with the arrester is also described. Moreover, the effectiveness of the TSC with the coordinated protection was demonstrated by a simulator test. Finally, the manufacture and operating record of large-capacity SVCs are shown.

Key concepts: Thyristor, Capacitor, AC power, Fault (geology), Lightning arrester, Integrated gate-commutated thyristor, Static VAR compensator, Voltage

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