GIS up to 550/800 kV and SF₆-free AEROXIA on natural gases
Gas-insulated switchgear (GIS) for voltages up to 550 kV, and up to 800 kV in turnkey substation projects. It takes up much less space than open-air switchgear and works in densely populated areas, in the mountains and underground. Under the AEROXIA brand the company makes equipment insulated with natural gases, without fluorinated gases.
- Voltage
- up to 550 kV (turnkey substations, FTK, up to 800 kV)
- Example
- 420 kV, 80 kA (Kuwait); 500 kV, Shinkoga substation (TEPCO)
- AEROXIA
- 72/84 kV GIS on natural gases without fluorinated gases; 300 kV GCB and GIB; 420/550 kV gas-insulated busbars
- Monitoring
- per IEC 61850
Price, availability and lead time on request. We help with analogue selection, customs clearance and delivery.
Description
The current-carrying parts of the GIS are placed inside grounded metal enclosures. Personnel have no access to live parts, and the maintenance scope is smaller than at open-air switchgear. The equipment is resistant to salt fog, sandstorms and humid climates, so it is installed on the coast, in arid regions and in the tropics.
The company developed a 550 kV GIS that is the first in the world to be transported whole. An example of a delivery in Japan is the 500 kV GIS at the Shinkoga substation (TEPCO Power Grid). For Kuwait the company supplied a 420 kV, 80 kA substation, which exceeds the network short-circuit current of 63 kA with a margin.
The company has built turnkey GIS substations abroad since the 1970s (elsewhere the manufacturer gives 1978) and has delivered more than 100 such projects of up to 800 kV. A 380/132 kV substation in Saudi Arabia with 11 bays at 380 kV and 23 bays at 132 kV was built in 19.5 months.
SF₆ gas has a global warming potential 25 200 times higher than CO₂. Under the AEROXIA brand the company is expanding its line of substation equipment insulated with natural gases. It includes a 72/84 kV GIS, a joint development with Meidensha and the first eco-friendly GIS in Japan for a system operator, 420/550 kV gas-insulated busbars, as well as DT-GCB circuit breakers and 300 kV busbars selected by TEPCO Power Grid.
The equipment supports substation digitalization and can be fitted with monitoring and diagnostic systems per IEC 61850. GIS is used at substations of 72–550 kV of grid companies, for power plant output, and at urban and underground substations. GIS, transformers and surge arresters are made at the Hamakawasaki plant in Kawasaki, and the high-voltage test laboratories are JAB accredited.
Technical specifications
| Voltage | up to 550 kV (turnkey substations, FTK, up to 800 kV) |
|---|---|
| Example | 420 kV, 80 kA (Kuwait); 500 kV, Shinkoga substation (TEPCO) |
| AEROXIA | 72/84 kV GIS on natural gases without fluorinated gases; 300 kV GCB and GIB; 420/550 kV gas-insulated busbars |
| Monitoring | per IEC 61850 |
| Feature | 550 kV GIS transported whole |
Request a price and lead time
GIS up to 550/800 kV and SF₆-free AEROXIA on natural gases. We reply within one business day.
Or email sales@usk.ua or call 044 339-50-20.
Customs codes
| UKTZED (Ukraine) | 8537 20 99 00 8535 29 00 00 |
|---|---|
| HS, 6 digits | 8537 20 8535 29 |
| CN (EU) | 8537 20 99 8535 29 00 |
| HTSUS (USA) | 8537 20 00 00 8535 29 00 40 |
| China customs tariff | 8537 20 90 00 8535 29 00 00 |
Codes are for reference: the final code is determined at declaration for the specific model.
Questions and answers
What is the maximum voltage of the GIS?
The GIS is made up to 550 kV, and the company has built turnkey substations of up to 800 kV. The 550 kV GIS is transported whole.
What does the SF₆-free AEROXIA line include?
A 72/84 kV GIS, 420/550 kV gas-insulated busbars, DT-GCB circuit breakers and 300 kV busbars with natural-gas insulation, without fluorinated gases.
Does the GIS support digital substations?
Yes, the equipment can be fitted with monitoring and diagnostic systems per IEC 61850 for substation digitalization.
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