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HG3-40.5 Green GIS
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HG3 Green Cubical type gas-insulated switchgear (Green C-GIS) is an environment-friendly gas-insulated metal-enclosed switchgear independently developed by Huade High-tech, which uses clean air as the insulating medium. With international leading technical level, it is a new generation of medium voltageswitchgear integrating vacuum arc extinguishing technology, APG solid sealing technology, gas insulation technology and interface insulation technology, complying with standards like IEC62271, GB11022, GB3906 and DL/T404. Passing all type tests and China national new product technical appraisal, the product is widely applied to various power systems, such as power transmission and transformation station network, urban power supply network, large industrial and mining enterprises, petrochemical industry, metallurgy and urban rail transit.
Product Details:
Key Features:
ㆍ Eco-Friendly Design: Utilizes clean air as an insulating medium, eliminating the need for SF6 gas and reducing toxic emissions, ensuring minimal impact on the environment.
ㆍ Compact and Efficient: Miniaturized with a modular design, the switchgear features a compact structure, small size, and a minimal footprint, maximizing space efficiency.
ㆍ Robust Construction: High voltage components are sealed within a stainless steel enclosure, providing waterproof and dustproof performance. Resistant to environmental factors and altitude, ensuring safety and maintenance-free operation.
ㆍ Flexible Configuration: Offers flexible and diversified primary schemes to meet various system wiring requirements, enhancing adaptability.
ㆍ Intelligent Control: Equipped with an intelligent control and protection unit, featuring powerful control, protection, and measurement functions, meeting the automation needs of distribution networks.
ㆍ Reliable Operation: Incorporates reliable mechanical and electrical interlocking mechanisms, effectively preventing mis-operation and ensuring convenient and dependable operation.
Technical ParametersS/N Item Unit Technical parameters 1 Voltage kV 36 40.5 2 Rated frequency Hz 50, 60 3 Rated insulation level Power frequency withstand voltage (1min) Phase to phase, phase to earth kV 70 95 across the isolating distance
open contact gapkV 80 118 Lighting impulse withstand voltage Phase to phase, phase to earth kV 170 185 across the isolating distance
open contact gapkV 195 215 Power frequency withstand voltage of auxiliary and control circuit (1min) kV 2 4 Rated current A 630,1250,2500,3150 5 Rated short-circuit breaking current kA 25, 31.5 6 Rated short circuit making current kA 65, 82 7 Rated short-time withstand current kA 25, 31.5 8 Rated peak withstand current kA 65, 82 9 Rated short-circuit duration s 4 10 Partial discharge pC ≤20 11 Insulation gas Clean air 12 Water content in gas compartment ppm ≤150 13 Annual leakage rate % ≤0.1 14 Rated gas-filling pressure (20°C, rel.) Mpa 0.13 15 Alarm pressure (20°C, rel.) Mpa 0.11 16 Minimum functional pressure (20°C, rel.) Mpa 0. 10 17 Rated operating sequence O-0.3s-CO-15s-CO
O-0.3s-CO-180s-CO18 Vacuum circuit breaker grade M2 E2 C2 19 VCB mechanical life Time 10000 20 EDS mechanical life Time 3000 21 Rated single capacitor bank breaking current A 630 22 Rated back-to-back capacitor bank breaking current A 400 23 Protection level (switchgear enclosure/gas compartment) IP41/IP67 24 Loss of service continuity category LSC2A 25 Internal arc fault IAC AFLR 25kA/1s
31.5kA/0.5s
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