126kV 진공 차단 방식의 친환경 GIS

TBGIS-126
At present, the greenhouse effect of SF6 gas used in high-voltage switches is 25200 times that of CO2, which is a strong greenhouse gas. Accelerating the development of environmentally friendly switch equipment is an urgent matter. The new generation of environmentally friendly 126kV GIS adopts clean air+vacuum arc extinguishing chamber technology. Clean air is a stable, low liquefaction temperature, non-toxic and environmentally friendly gas that is completely environmentally friendly. At the same time, an improved and optimized vacuum arc extinguishing system was adopted to enhance insulation, current flow, and switching current capabilities, replacing conventional SF6 arc extinguishing chambers.

Product Advantages
Friendly to the environment and operators, no toxic by-products are produced after disconnection, truly achieving GWP=0.
Has superior breaking ability.
More suitable for low-temperature conditions, the working temperature can be as low as -55 ℃ without any heating device.
Application Scenarios
It can meet the needs of users of both State Grid and Southern Power Grid, as well as cater to overseas market demands such as power generation companies, coal, petrochemical enterprises, steel smelting enterprises, and clean energy.
Technical Specifications

Parameter name	Unit	Parameter value
Rated Voltage	kV	126
Rated current	A	3150
rated frequency	HZ	50
Rated short-time withstand current (effective value)	kA	40
Rated short-circuit duration	S	4
Rated peak withstand current; (Peak value)	kA	100
Annual leakage rate of pure air (not greater than)	%	0.1
Pure air rated pressure (gauge pressure 20 ° C) circuit breaker chamber	MPa	0.7
Pure air rated pressure (gauge pressure 20 ° C) Other chambers	MPa	0.7
Applicable standard	–	GB,DL