XGN port -12 (SF6) type AC high voltage six sulfur fluoride ring net switch equipment
XGN port -12 (SF6) type AC high voltage six sulfur fluoride ring net switch equipment
General
XGN 口—12(SF6) AC high voltage sulfur hexafluoride looped network switchgear(called the looped network cabinet hereafter) introduces the foreign advanced technology and it is a new generation of high voltage electrical products designed and researched by our company according to the requirements of domestic rural electric power and urban network reform. After strict type tests and long-term test run, all technical performance indexes reach the standards of IEC298 and GB3906. Fln口—12(SF6) load switch or FLN口—12(SF6) load switch with fuse is installed inside the looped network cabinet. Using SF6 gas as the arc extinguishing medium and insulating medium, compared with the vacuum load switch using the vacuum as the arc extinguishing medium, SF6 switch belongs to “soft” switching off, so there are no arrester preventing overcurrent and so on for main connection scheme of switch cabinet. The cabinet is made of imported aluminum zinc coated plate and it is riveted after being machined by the numerical control machine, its degree of protection reaches 1P4X, and it has the functions of reliable mechanical interlock and misoperation proof. This product has the extremely striking advantages of small volume, light weight, beautiful shape, easy and simple handle, long life, high parameter, pollution free, less maintenance, etc.
Product model and meaning
Technical parameter
Name
|
Unit
|
parameter
|
Rated voltage |
KV
|
12
|
Rated frequency |
Hz
|
50
|
The main busbar rated current |
A
|
630
|
Main circuit and grounding circuit rated short-time withstand current |
KA/S
|
Main circuit: 20/3
Ground loop: 20/2
|
Main circuit and grounding circuit rated short-time withstand current |
KA
|
50
|
Main circuit and grounding circuit rated short-time withstand current |
KA
|
50 (with fuse)
|
Load switch full capacity |
Times
|
100
|
Fuse breaking current |
KA
|
31.5, 40. 50
|
Mechanical life |
Times
|
2000
|
1 minute power frequency withstand voltage (peak value), ground / isolation fracture |
KV
|
42/48
|
Lightning impulse withstand voltage (RMS) phase to ground / isolation fracture |
KV
|
75/85
|
Two circuit 1 minutes power frequency tolerance |
KV
|
2
|
Protection level |
|
IP4X
|
Installation diagram
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