Title:
GAS-INSULATED SWITCHGEAR
Document Type and Number:
WIPO Patent Application WO/2020/217452
Kind Code:
A1
Abstract:
The present invention addresses the problem of providing a small-sized gas-insulated switchgear capable of individually operating a three-phase circuit breaker. A gas-insulated switchgear 1 includes a line disconnector unit 30 of a three-phase collective type, and busbar disconnector units 70, 80 of a three-phase collective type with built-in busbars 72, 82. The gas insulated switchgear 1 also includes a single-phase type first circuit breaker unit 50a, a single-phase type second circuit breaker unit 50b, and a single-phase type third circuit breaker unit 50c that are is interposed between the line disconnector unit 30 and the busbar disconnector units 70, 80, accommodate circuit breakers 52a-52c, respectively, for each phase, and arrange the circuit breakers 52a-52c in the vertical direction.
Inventors:
TAMURA YOSHIAKI (JP)
AOKI TSUTOMU (JP)
AOKI TSUTOMU (JP)
Application Number:
PCT/JP2019/017918
Publication Date:
October 29, 2020
Filing Date:
April 26, 2019
Export Citation:
Assignee:
NISSIN ELECTRIC CO LTD (JP)
International Classes:
H02B13/035
Domestic Patent References:
| WO2007148374A1 | 2007-12-27 |
Foreign References:
| JP2018201291A | 2018-12-20 | |||
| JPS61205205U | 1986-12-24 |
Attorney, Agent or Firm:
ONDA Makoto et al. (JP)
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