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Hitachi

High-Voltage and High-Power Testing Laboratory

36kV metal-clad switchgear Internal arc test

36kV metal-clad switchgear Internal arc test

36kV metal-clad switchgear
Internal arc test

Short-circuit breaking tests etc

362kV GCB current breaking test
362kV GCB
current breaking test
(Synthetic test)

1100kV GCB (left) and 800kV GCB current breaking test
1100kV GCB (left)
and 800kV GCB
current breaking test
(Synthetic test)

362kV DS for GIS current switching test
362kV DS for GIS
current switching test
(Direct test)

245kV GCB current breaking test
245kV GCB
current breaking test
(Synthetic test)

24kV VCB current breaking test
24kV VCB
current breaking test
(Direct test)
  

168kV CB for GIS current breaking test
168kV CB for GIS
current breaking test
(Synthetic test)

72kV GIS current switching test
72kV GIS
current switching test
  

72kV GCB current breaking test
72kV GCB
current breaking test
(Synthetic test)

Short-time withstand current test

27.5kV IPB short-time withstand current and peak withstand current tests
27.5kV IPB
short-time withstand current
and
peak withstand current tests

27.5kV IPB short-time withstand current and peak withstand current tests
27.5kV IPB
short-time withstand current
and
peak withstand current tests

27.5kV GMCB short-time withstand current and peak withstand current tests
27.5kV GMCB
short-time withstand current
and
peak withstand current tests

Alternating-current withstand voltage test

550kV GCB dielectric test
550kV GCB
dielectric test

800kV LA dielectric test
800kV LA
dielectric test

Sparkover test
Sparkover test

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Hitachi Environmental Activities' website