15kv-630A Air/Sf6 Gas Insulated Switchgear Ring Main Unit

General:SM66unit type SF6 ring net cabinet with SF6 load switch as main switch, for whole cabinet is suitable for electric distribution automation and compact also expandable metal close switchgear. It characters in its simple structure, flexible operation, reliable interlocking and convenient installation etc, which can provide

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General:

SM66unit type SF6 ring net cabinet with SF6 load switch as main switch, for whole cabinet is suitable for electric distribution automation and compact also expandable metal close switchgear. It characters in its simple structure, flexible operation, reliable interlocking and convenient installation etc, which can provide the satisfactory technical projects both for different application occasions and user. With the adoption of sensor technology and the protection relay up to date, plus the advanced technology and flexible assembly project, SM66 unit type SF6 ring net cabinet can completely meet the requirement of continuously variable market. It can take self-produced RLS-40.5 load switch or SFG type SF6 load switch by ABB; also according to user's demand can be assembled with the internationally top-ranking, RCB series vacuum circuit breaker with permanent magnetic mechanism made by AREVA,or HD4 type SF6 circuit breaker made by AREVA, or HD4 type SF6 circuit breaker made by ABB, or with our VS1-12 type vacuum circuit breaker with permanent magnetic mechanism. Operational methods for the main switch inside ring main unit can be either manual electric power driven. And it can meet the requirement of "four controls" when matched with FTU and RTU.

Service environment:

 
1.air temperature: maximum temperature :+40ºC;minimum temperature:-35ºC
2.humidity: monthly average humidity 95%; daily average humidity 90%
3.altitude above sea level: maximum installation altitude:2500m
4.ambient air not apparently polluted by corrosive and flammable gas, vapor etc.
5.no frequent violent shake.
 
Main technical specifications:
 
NO.ItemUnitParameter
1
Rated voltageKV3640.5
2
Rated frequencyHZ50/60
3
Rated currentA630/800
4
1 min power frequency withstand voltage
Wet
KV7095

dry
KV80110
5
Lightning impulse withstand voltageKV170185
6
Rated short circuit breaking current (peak)KA195215
7
Rated active load and close circuit breaking currentA400/630
8
Rated transferring currentA12001000
9
Rated short circuit making current(peak)KA6363
10
Rated cable off loadA50
11
Transformer off loadA16
12
Rated withstand current (peak)KA63
13
Short time withstand current(2s)KA25
14
Mechanism lifetimes20002000
Note: for short circuit breaking and peak current is based on fuse plus combination.
15kv-630A Air/Sf6 Gas Insulation Switch-Gear Type Ring Main Unit

15kv-630A Air/Sf6 Gas Insulation Switch-Gear Type Ring Main Unit
15kv-630A Air/Sf6 Gas Insulation Switch-Gear Type Ring Main Unit
15kv-630A Air/Sf6 Gas Insulation Switch-Gear Type Ring Main Unit
15kv-630A Air/Sf6 Gas Insulation Switch-Gear Type Ring Main Unit
15kv-630A Air/Sf6 Gas Insulation Switch-Gear Type Ring Main Unit
15kv-630A Air/Sf6 Gas Insulation Switch-Gear Type Ring Main Unit
 

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