Switchgear Switchgear 1. Vacuum Interrupter VI
Pembangkitan Tenaga Listrik
469
Gambar X. 4 b
Gas Switchgear Combined GSC 300 kV
Gambar X.4 c
Gas Switchgear Combined GSC 245 kV
Gambar X.4 d
Gas Switchgear Combined GSC 72,5 kV
470
Pembangkitan Tenaga Listrik
Gambar X.5 menunjukkan Gas Combined Swithgear GCS yang memiliki tegangan kerja 550kV, 4000A
Gambar X.5
Gas Combined Swithgear GCS 550kV, 4000A
Gambar X. 6 menunjukkan C-GIS Cubicle type Gas Insulated Switchgear
Gambar X.6 a C-GIS Cubicle type Gas Insulated Switchgear 72.5kV
Pembangkitan Tenaga Listrik
471
Gambar X.6
b
C-GIS Cubicle type Gas Insulated Switchgear 24kV
Gambar X.6
c
C-GIS Cubicle type Gas Insulated Switchgear 12kV
Gambar X. 7
Dry Air Insulated Switchgear 72.5
472
Pembangkitan Tenaga Listrik
Gambar X.8
VCB Vacuum Circuit Breaker Out Door 145kV
Gambar X.9
Reduced Gas Dead Tank Type VCB 72.5 kV Current: 1250 to 2000A
Rated breaking current: up to 31.5kA Features
no usage of SF6 gas no gas-liquefaction in any ambient temp.
liquefaction point: -180 deg C longer life Easier maintenance than GCB
Pembangkitan Tenaga Listrik
473
Gambar X.10
Dry Air Insulated Dead Tank Type VCB 72.5kV current : up to 2000A
rated breaking current : up to 31.5kA Features
superb interrupting performance compact
low pressure of SF6 insulation gas reduction of maintenance and installation costs
optimal arrangement of major equipments VCB, DS, ES BCT, VT and LA reduction of installation spac 72.5kV
Gambar X. 11
VCS Vacuum Combined Switchgear
474
Pembangkitan Tenaga Listrik voltage : 72.5kV
. current : 630 to 3150A
rated breaking current : up to 25kA 40kA Features
high performance even in the worst case scenario, such as out-of-phase breaking high speed re-closing duty server circuit conditions switching capacitors
reducted maintenance costs no fire hazard
compact and light weight
Gambar X. 12
VCB Vacuum Circuit Breaker In Door unit voltage : 3.6kV to 36kV
Gambar X.13
VCB Vacuum Circuit Breaker Indoor Unit voltage 24 kV
Pembangkitan Tenaga Listrik
475
Gambar X.14
Oil-Immersed Distribution Transformers voltage : 7.2kV to 36kV
power : 750kVA to 3000kVA
Gambar X.15
SF6 Gas-Insulated Transformer