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