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| Model
ZF1-252 SF6 Gas Insulated Metal-Enclosed
Switchgear(GIS) |
| GENERL |
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| Model ZF1-252 SF6 Gas Insulated
Metal-Enclosed Switchgear(GIS) is an indoor high voltage
complete equipment electric power transmission and distribution,suitable
for use in AC threephase 50Hz 220kV power system.The
main components of the GIS are circuit breaker,disconnector,earthing
switch,current transformer,voltage transformer,lightning
arrester,bus bar cable shoe and bushing,which can be
combined and arranged according to the |
ZQ20021001 |
requirement of primary cnnection
mode of high voltage power system.
The GIS possesses the advantages as following:occupying
small floor space,strong enviromental maintenance etc.it
is especially suitable for use in the high voltage substations
of city power supplies,power plants,large industrial
and mining enterprises,oil and chemical industries and
railway transportations.
This product was put into operation in Jiangxi Wang'an
Power Station in 1991,Yucheng Power Station,Ya'an City,Shichuang
Province in 1995 and Xiao GuanZi Power Station,Kangding,Sichuang
Province in 2000. |
TECHNICAL DATA
| Rated voltage |
252kV |
| Rated current |
1250A |
| Rated short-circuit breaking current |
31.5kA/40kA |
| Annual leakage rate of SF6
gas |
≤1% |
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