| Developers: | ABB Group |
| Date of the premiere of the system: | 2019/04/11 |
| Branches: | Electrical equipment and microelectronics |
| Technology: | UPS - Uninterruptible power supply units |
2019: Representation of LTB of 145 kV of AirPlus
On April 11, 2019 ABB company provided the kolonkovy LTB switch of 145 kV of AirPlus, the eco-efficient solution for the electrical power industry. The Kolonkovy switch uses gas mix on the basis of a carbon dioxide gas (CO2) as the insulating and arc-suppressing environment instead of SF6. The switch is designed for protection of the electric networks and prevention of interruptions in power supply and promotes decrease in harmful effects on the environment.
LTB AirPlus reduces almost by 100% the global warming potential (GWP), in comparison with elegazy. PGP expressed in CO2 equivalent measures amount of heat delayed by gases in the atmosphere within 100 years. Based on the proved technology of high-voltage circuit-breakers of ABB, LTB AirPlus has good characteristics with preserving of the same dimensions.
 | The AirPlus technology is recent addition to our high-voltage platform and the next step to decrease in impact on the environment, - Markus Haymbakh, the head of the business direction told the High-voltage equipment as a part of division the Electric networks of AVV company. - In projects worldwide we already implemented different ecologically safe solutions, such as kolonokvy switches on voltage of 72.5 kV and KRUE on 170 kV. |  |
The technology is also available to switches disconnectors (DCB) where function of the disconnector is integrated into the switch that provides high reliability of the equipment and economy of space.
On average, temperature on Earth rose approximately by 0.9 °C since the end of the 19th century. Only for the last decade the speed of thawing of glaciers in Antarctica increased three times. Thus, at public utilities and need of fight against global warming grows in the industry. In power industry elegaz (SF6) it was everywhere used decades because of the excellent insulating and arc-suppressing properties. However it is greenhouse gas, and ABB works on search of alternatives for a long time.
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