HXGN-12 Indoor AC High-Voltage Metal-Enclosed Ring Main Unit
The HXGN-12 fixed-type high-voltage ring main unit (hereinafter referred to as the ring main unit) is suitable for power distribution systems in industrial and mining enterprises, residential communities, high-rise buildings, schools, parks, and other similar applications. It serves as an indoor, 50 Hz, three-phase ring-network power supply unit and terminal distribution equipment with a rated voltage of 10 kV. The unit is capable of making and breaking rated load currents and no-load transformer currents, as well as making and breaking capacitive currents from overhead lines, cable lines, or capacitor banks over specified distances. The load switch–fuse combination switchgear can also interrupt short-circuit currents, making it ideal for use in power systems as protective, distribution, and control equipment; it is also suitable for installation in packaged substations.
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Detailed Introduction
Product Overview:
• The HXGN-12 fixed-type high-voltage ring main unit (hereinafter referred to as the ring main unit) is suitable for power distribution systems in industrial and mining enterprises, residential communities, high-rise buildings, schools, parks, and other similar applications. It serves as an indoor, 50 Hz, three-phase ring-network power supply unit and terminal distribution equipment with a rated voltage of 10 kV. The unit is capable of making and breaking rated load currents and no-load transformer currents, as well as making and breaking capacitive currents from overhead lines, cable lines, or capacitor banks over specified distances. The load switch–fuse combination switchgear can also reliably interrupt short-circuit currents, serving as protective, distribution, and control equipment in power systems; it is also suitable for installation in packaged substations.
• This ring main unit complies with the requirements of National Standard GB 11022-89 “General Technical Conditions for High-Voltage Switchgear” and GB 3906-91 “3–35 kV AC Metal-Enclosed Switchgear,” and is equipped with the two-part “five-protection” interlocking function.
Terms of Use:
• Ambient air temperature shall not exceed +40°C; minimum temperature: -15°C.
• For indoor installation and use; the installation location shall not exceed an altitude of 1,000 m.
• The daily average relative humidity shall not exceed 95%, and the monthly average shall not exceed 90% (at +25°C);
• During equipment installation, the tilt relative to the vertical plane shall not exceed 5°.
• The equipment shall be installed in locations free from fire hazards, explosion risks, chemical corrosion, and severe vibration;
• Special requirements of the user may be resolved through consultation with the manufacturer.
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