Tsr-12 12kv Sf6 Fully Insulated Solid Insulated Switchgear Ring Network Switchboard
Tsr-12 12kv Sf6 Fully Insulated Solid Insulated Switchgear Ring Network Switchboard image
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Basic Info.
Product Description
Summary:
According to the document spirit of State Grid and the development trend of distribution equipment at home and abroad, Yueqing Liyond Electric Co., Ltd immediately established a research and development team to develop solid insulated ring main unit. Through two years of unremitting efforts, the company successfully completed the development of TSR-12 (I) series products in the second half of 2012, and passed the type test of the whole project; meanwhile, the company In order to more widely adapt to the different needs of this large market in China, the development of TSR-12 (II) series products and the type test of the whole project were completed in 2014. So as to lay a leading and leading position in the field of solid insulation industry.
Environmental Conditions:
2.1 Ambient air temperature
a) Upper +40ºC;
b) Lower -25ºC.
2.2 Ambient temperature
a) Daily average relative humidity:≤95%;
b) Monthly average relative humidity:≤90%;
c) Daily average saturated vapor pressure:≤2.2kPa,
d) Monthly average saturated vapor pressure:≤1.8kPa.
2.3 Altitude
No more than1500m.
2.4 Operation place
No flammable, explosive hazard, chemical corrosion and severe vibration.
Picture:
Technical parameter:
Switch cabinet | 1min power frequency withstand voltage:42/48kV Lightning impulse withstand voltage:75/85kV Rated current:bus bar 630/1250A |
Circuit breaker | Rated current: 630 / 1250A Rated short-time withstand current: 25kA (4s) Rated short-circuit making current:63kA |
Load switch | Rated current: 630 / 1250A Rated short-time withstand current: 25kA (4s) Rated short-circuit closing current: 63kA |
Load switch + fuse combination appliance | Rated current: 125A Rated short-time breaking current: 31.5kA Rated transfer current: 3150A |
Disconnector switch, earthing switch | Rated current: 630 / 1250A Rated short-time withstand current: 25kA (4s) |
Ground loop | Rated current: 630A Rated short-time withstand current: 21.7kA (2s) |
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