High Voltage HV Outdoor Switchyard Switching Point Switching Station Substation Hydroelectric Power Station Hydro Electric Power Plant HPP HEPP SHPP SHEPP Solar Power Plant
Outdoor switchyard/switching point/switching station
Substation
Lightning arrester/surge arrester YH5W5-26/66…
1. Compound coat zinc oxide lightning arrester
2. Porcelain coat zinc oxide surge arrester
3. No gap
4. Serial gap
Fuse RW5-35/100…
High voltage SF6 circuit breaker LW25-252, LW34-40.5…
1. High voltage AC SF6(sulfur hexafluoride) tank circuit breaker LW
2. High voltage AC SF6(sulfur hexafluoride) porcelain pole circuit breaker LW30-252…
Insulation and arc extinguishing medium:SF6 gas (mixed gas of SF6 and CF4 in the alpine region)
Pollution level: Class III (Creepage distance 25mm/kV) or Class IV (Creepage distance 31mm/kV)…
Outdoor high voltage AC vacuum circuit breaker ZW
Tripping and closing load current, overload current and short-circuit current, especially suitable for frequent operations
Current transformer LVQB-220W2
Isolating switch
Outdoor AC isolating/disconnect switch/ disconnector
GW4-40.5DW/1250, GW4-40.5DDW, GW1,GW4, GW5,GW7, GW9,GW10,GW11,GW45
Neutral point outdoor high voltage AC isolating /disconnect switch
GW8, GW13
1. As a switch when there is voltage and no load
2. No current, electrical isolation
3. Switch the transformer neutral point connection under no load
4. Isolation switch: ordinary and anti-fouling
5. Anti-pollution type isolating switch can meet the requirements of users in heavily polluted areas, and can effectively solve the problem of pollution flashover during operation of isolating switch
Load switch
1. Outdoor AC high voltage load switch FKW
2. Outdoor high voltage AC vacuum load switch FZW
3. Outdoor high voltage AC SF6 load switch FLW
Load-disconnected and closed power distribution lines, open and close no-load lines and no-load transformer
Open and close load current and closing short-circuit current
Outdoor high-voltage AC grounding/earthing switch JW6-252
Ground the overhauled bus bar and electrical equipment for three-phase AC 50Hz high-voltage electrical equipment
Also can be used as the grounding switch for the transformer neutral point
Others:
Post/pillar insulator
Capacitor voltage transformer
Enclosed combination appliances
Gas-insulated metal-enclosed switchgear GIS
Composite combined appliances HGIS
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