Remote Control High Voltage Switchgears with SF6 Gas Arc Extinguishing Medium Operating Temperature Range Minus 25 Celsius to Plus 55 Celsius
Product Description: Precision Craftsmanship, Robust Performance The cabinet is constructed from a single piece of cold-rolled steel, enhanced with electrostatic spraying that provides excellent resistance against corrosion and wear. Inside, components are assembled with high precision, and the oil...
Product Description:
The cabinet is constructed from a single piece of cold-rolled steel, enhanced with electrostatic spraying that provides excellent resistance against corrosion and wear. Inside, components are assembled with high precision, and the oil-free design guarantees exceptional insulation stability along with smooth operation, ensuring reliable performance over extended continuous use.
This product offers extensive customization options, including adjustable voltage levels, various circuit configurations, and a choice of cabinet materials such as sprayed steel, 304 stainless steel, or 316 stainless steel. It is designed to accommodate special conditions like high-altitude locations and coastal environments prone to corrosion. Additionally, it supports the integration of intelligent modules to adapt seamlessly to different distribution network layouts.
Manufactured in strict accordance with IEC 62271 and GB/T 11022 standards, each unit undergoes a series of triple tests that include insulation evaluation, short-circuit resistance, and protection level verification. The equipment is fitted with high-breaking XRNT fuses and dependable earthing devices, ensuring low failure rates and an extended service life, thereby securing safe and stable power supply.
Technical Parameters:
The product is designed to operate at rated voltages of 12kV, 24kV, and 36kV, which correspond to the common distribution network systems of 10kV, 20kV, and 35kV respectively. This ensures seamless integration with existing grid infrastructures.
It supports rated frequencies of both 50Hz and 60Hz, making it compatible with the predominant power grid frequencies used worldwide. This flexibility allows for broad applicability in various geographical regions.
The rated current options include 630A and 1250A. The 630A configuration is the standard, allowing for continuous operation of the main circuit under typical load conditions. This ensures reliable performance during extended periods of use.
Regarding short-circuit tolerance, the device can withstand short-time currents of 16kA, 20kA, 25kA, and 31.5kA for a duration of 3 seconds, complying with national standards. Additionally, the rated peak withstand currents range from 40kA to 80kA, which is approximately 2.5 times the rated short-time withstand current, reinforcing its robustness against surge events.
The rated insulation level includes a power frequency withstand voltage of 42kV for the 12kV class and a lightning impulse withstand voltage of 75kV for the same class. These indices increase progressively with higher voltage classes to ensure safe operation under voltage stresses.
Protection classes of IP4X for the cabinet shell and IP67 for the switch components guarantee dust resistance and suitability for outdoor immersion scenarios respectively, enhancing the durability and safety of the equipment in various environments.
The earthing switch has a rated short-time current capacity of 2000A, ensuring it meets grounding requirements under fault conditions. This enhances safety by effectively managing short-circuit faults.
Operation mechanisms include both manual and electric options. The electric mechanism supports remote control functionalities and can be equipped with an energy storage motor, providing flexibility in operation and control.
The system is compatible with XRNT type high breaking capacity fuses, with rated currents ranging from 6.3A to 400A. These are primarily used for transformer protection, ensuring targeted and reliable fault interruption.
Environmental adaptability includes an operating temperature range from -25°C to +40°C, altitude suitability up to 1000 meters (with options for customization at higher altitudes), and humidity levels up to 95% without condensation. Custom models are available for high-altitude and anti-corrosion requirements in special environments.
Cabinet materials consist of cold-rolled steel plates with plastic spraying or stainless steel options (grades 304 and 316). Stainless steel models are particularly recommended for coastal and chemically corrosive environments, ensuring longevity.
Primary circuit configurations such as 2-in-2-out, 3-in-3-out, and terminal types can be customized to fit the specific topology of distribution networks, offering design flexibility.
Secondary control options include intelligent measurement and control units, temperature and humidity controllers, and fault indicators. These support integration with SCADA systems for remote monitoring and operational efficiency.
Applications:
The TNNPI High Voltage Switchgears, originating from Henan, China, are engineered to meet the rigorous demands of modern electrical distribution and industrial applications. Certified with CE and ISO standards, these switchgears assure high reliability and safety in various operational environments. With a minimum order quantity of just one unit, customers can easily procure these advanced devices, which are securely packaged in wooden boxes to ensure safe delivery within 1-2 weeks.
Designed to handle a breaking capacity of up to 50kA and a current rating of up to 4000A, TNNPI's High Voltage Switchgears are ideal for numerous application occasions and scenarios. Their robust insulation types, including Air, SF6 Gas, and Vacuum, combined with arc extinguishing mediums such as SF6 Gas, Vacuum, and Air Blast, provide exceptional performance in fault interruption and system protection. These features make them perfectly suited for Fixed Type HV Switchgear installations, where reliability and durability are paramount.
In Ring Network Switching Stations, where continuous power supply and quick fault isolation are critical, TNNPI High Voltage Switchgears excel by enabling efficient load management and minimizing downtime. Their operating temperature range of -25°C to +55°C ensures stable functionality even in harsh climatic conditions, making them suitable for outdoor substations and switching stations in diverse geographical locations.
Moreover, in MV/HV Switching Stations, these switchgears facilitate seamless voltage transformation and distribution, supporting the integration of power grids and enhancing system flexibility. Their advanced arc extinguishing technologies and high insulation capabilities contribute to safer operation and extended equipment lifespan, which are essential for maintaining grid stability and protecting electrical assets.
Overall, TNNPI High Voltage Switchgears are indispensable in power generation plants, industrial complexes, commercial buildings, and utility substations. Their versatile design and superior performance cater to a wide range of scenarios, ensuring efficient energy distribution, enhanced safety, and operational excellence across various electrical infrastructure projects.
Customization:
TNNPI offers customized High Voltage Switchgears designed to meet the specific needs of your power distribution systems. Our products, originating from Henan, China, are certified with CE and ISO, ensuring top quality and reliability.
We specialize in High-voltage Ring Network Cabinets, Draw-out Type HV Switchgears, and Intelligent RMUs, suitable for a variety of applications including power distribution, industrial plants, and utilities. Our switchgears support both indoor and outdoor mounting types and operate efficiently within a temperature range of -25°C to +55°C.
Customers can choose between remote control and local control options to suit their operational preferences. Each unit is carefully packaged in a wooden box to guarantee safe delivery. With a minimum order quantity of just 1 unit, we provide flexible purchasing options and ensure prompt delivery within 1 to 2 weeks.
Trust TNNPI for reliable, customizable High Voltage Switchgear solutions designed to enhance your electrical infrastructure.
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