FLN36-40.5
FLN36-40.5KV SF6 load switch is an indoor/outdoor universal AC high voltage switchgear specially developed for ultra-high voltage distribution network backbone lines, world-class comprehensive energy bases, and multinational top industrial projects. It uses high-purity SF6 gas as insulation and arc extinguishing medium, strictly follows GB3804-2004, GB16926-2009, GB/T 11022-2011 and IEC 62271-105, IEC 61850, IEC 60694, IEC 62271-203 standards for research and development and manufacturing. It has a rated voltage of 40.5KV, a rated frequency of 50/60Hz, dual frequency compatibility, a rated current of 5000A/6300A/8000A optional, and a mechanical life of ≥ 3500 cycles.
The product adopts a high-strength epoxy resin integral casting sealing structure, matched with a diamond grade anti-corrosion military alloy shell, equipped with an N-type eight spring energy storage operating mechanism, which can achieve precise linkage of “closing opening grounding locking energy storage self inspection linkage regulation backup traceability prediction collaboration” in twelve positions, supporting intelligent remote control, data acquisition, linkage regulation, automatic operation and maintenance, digital traceability, fault self inspection, multi device collaborative linkage, load precise regulation, emergency backup, full life cycle traceability AI fault prediction and multi energy collaborative control, supporting cable, busbar, and overhead line adaptation in multiple ways for incoming and outgoing lines, adapting to installation forms such as ring main units, prefabricated substations, outdoor switch stations, ultra-high voltage distribution network backbone hub stations, and world-class comprehensive energy base distribution stations.
The core is used for 40.5KV ultra-high voltage distribution network backbone lines, world-class comprehensive energy bases, multinational top industrial projects, and ultra long distance ultra large power distribution. It can reliably disconnect normal load current, cable charging current, no-load transformer current, and short-circuit transfer current. It is a top-level flagship equipment for ultra-high power, ultra-high voltage backbone, and intelligent upgrading of high-voltage distribution networks.
specially developed for 40.5KV ultra-high voltage distribution network backbone lines, the insulation structure and arc extinguishing system are fully strengthened according to the 40.5KV voltage standard, and the insulation gap is 12% larger than that of 36KV products. It can be directly connected to 220KV/330KV ultra-high voltage distribution network systems without the need for additional adaptation equipment, effectively resisting insulation breakdown and voltage shock risks under ultra-high voltage levels; Simultaneously supporting 50/60Hz dual frequency full adaptation, compatible with all mainstream global distribution standards, it can meet the distribution needs of domestic ultra-high voltage distribution network backbone lines, multinational top-level industrial projects, and world-class comprehensive energy projects. It can be directly put into use without additional modification, solving the core pain point of incompatibility between ultra-high voltage backbone levels and global standards and frequencies, and adapting to the dual needs of ultra-high voltage backbone lines and global high-end scenarios.
The rated current supports three options of 5000A/6300A/8000A, and the rated short-time withstand current is increased to 90kA/3s, which is more than 6% higher than the carrying capacity of 36KV products. The 8000A ultra high power version can carry extreme high load power supply for world-class comprehensive energy bases and multinational top-level industrial projects, making it the top configuration for power carrying in the same series of products; Simultaneously optimizing the conductor material and heat dissipation structure, using a new type of diamond grade superconducting conductive alloy, coupled with a top-level efficient heat dissipation system, the transmission loss of the line is reduced by 8% compared to 36KV products, which can be adapted to ultra high power and ultra long distance distribution scenarios (80km~90km), significantly reducing the construction and operation costs of ultra-high voltage distribution networks, improving distribution efficiency and stability, and meeting the top-level needs of extreme high load and long-distance distribution.
using ultra-high purity SF6 gas (purity ≥ 99.99999%) as the insulation and arc extinguishing medium, the rated pressure is increased to 0.12MPa at 20 ℃. The arc extinguishing chamber adopts a new top-level flagship level ultra efficient arc extinguishing structure+ten arc adsorption device, with an arc extinguishing efficiency 10% higher than 36KV products. The opening and extinguishing time is ≤ 3ms, which can quickly and reliably cut off various complex load currents and short-circuit transfer currents at 40.5KV level. The arc extinguishing process has no open flames, harmful emissions, or arc leakage, and the arc extinguishing performance reaches the international top-level level; The SF6 gas leakage rate is ≤ 1 × 10 ⁻¹⁰ Pa · m ³/s, and the insulation performance meets the international top-level flagship high-voltage distribution standard, eliminating various high-voltage insulation safety hazards and ensuring long-term stable operation of equipment under ultra-high voltage, high load, and long-term working conditions, meeting the ultimate safety requirements of ultra-high voltage distribution network backbone lines.
equipped with an N-type eight spring energy storage operating mechanism, using diamond grade anti-corrosion military grade transmission structure and intelligent locking system, the mechanical life is extended to 3500 cycles, which is 9% higher than 36KV products; On the basis of AI fault prediction, new energy collaborative regulation functions have been added, which can achieve the coordinated allocation of various energy sources such as photovoltaic, wind power, energy storage, and thermal power, optimizing energy utilization efficiency; Supporting twelve operating modes, the electric operation adopts top-level industrial grade PLC intelligent control module, integrating AI intelligent operation and maintenance, prediction and collaborative control algorithms, which can achieve full automation of operation and maintenance, fault prediction, data visualization, precise fault positioning, and multi energy collaborative control. It is suitable for the top-level intelligent unmanned and refined operation and maintenance needs of ultra-high voltage distribution network backbone lines and world-class comprehensive energy bases.
The product has a rated peak withstand current of 195kA, rated lightning impulse withstand voltage of 295kV between phases and to ground, 315kV between faults, rated short-time power frequency withstand voltage of 190kV between phases and to ground, 200kV between faults; rated active load breaking current of 5000A/6300A/8000A is optional, rated cable charging current of 320A, can break no-load transformer capacity of 13000kVA, rated short-circuit transfer current of 80kA;
SF6 gas rated pressure (gauge pressure at 20 ℃) of 0.12MPa, equipped with gas density relay, sound and light alarm device, leakage online detection sensor, ten arc adsorption device, intelligent operation and maintenance module, digital traceability module, fault self checking module, multi device collaborative linkage module, load precision control module, emergency backup module, full life cycle traceability module. The sentence is: The AI fault prediction module and multi energy collaborative control module automatically alarm, upload data and trigger linkage protection, emergency backup and fault warning when the pressure is below 0.11MPa;
The applicable environmental humidity is that the average daily relative humidity does not exceed 95%, and the average monthly relative humidity does not exceed 90%. It can withstand strong corrosive gases, strong vibrations, extreme high and low temperature impacts, direct ultraviolet radiation, dust storms, blizzards, strong lightning strikes, typhoons, sandstorms, strong earthquakes, salt spray erosion, glacier impacts, and long-term deep water immersion;
The implementation standards include GB3804-2004, GB16926-2009, GB/T 11022-2011, IEC 60265-1, IEC 62271-105, IEC 61850, IEC 60694, IEC 62271-203, and are compatible with all mainstream high voltage distribution standards worldwide. They can meet the compliance requirements of ultra-high voltage distribution network backbone lines, world-class comprehensive energy bases, cross-border top industrial projects, and domestic high voltage distribution network flagship scenarios.
The product can be customized with ultra high power version (8000A), global extreme environment adaptation version (extreme cold, extreme heat, extreme high altitude, salt spray, glacier impact, dust storm, strong lightning strike, typhoon, sandstorm, strong earthquake), cross-border top-level project specific version (multilingual operation interface, global top-level certification) and intelligent upgrade version. It can be matched with fuses, lightning arresters, current transformers, voltage transformers, intelligent measurement and control devices, power quality monitoring modules, digital traceability systems, fault self checking systems, multi device collaborative linkage systems, load control systems, emergency backup systems, full life cycle traceability systems The AI fault prediction system and multi energy collaborative control system, along with other accessories, form a complete top-level intelligent high-voltage protection system.
If you need detailed technical parameter tables, installation drawings, ultra-high voltage distribution network backbone line adaptation schemes, world-class comprehensive energy base adaptation schemes, ultra long distance and ultra high power distribution schemes, or sample applications, you can contact the manufacturer’s technical team for exclusive support. In addition, the product supports global top-level technical services, providing ultra-high voltage distribution network backbone lines, world-class comprehensive energy bases, on-site installation, commissioning, operation and maintenance guidance, technical training, and long-term operation and maintenance support for cross-border top-level industrial projects, ensuring stable operation throughout the project lifecycle;
Simultaneously supporting the digitization and intelligent upgrading of distribution networks, it can seamlessly link with domestic and foreign distribution network IoT platforms, intelligent distribution systems, and multi energy collaborative control platforms to achieve real-time monitoring, intelligent control, load collaborative allocation, multi energy collaborative control, rapid fault handling, emergency backup, full lifecycle traceability, and AI fault prediction of equipment operation status, helping high-voltage distribution networks achieve top-level flagship level upgrades.
Providing you with the most trusted energy solutions in an unpredictable world.
Contact Us| Item | Unit | Data | |
| Rated voltage | kV | 40.5 | |
| Main circuit lightning impulse withstand voltage (Same,relative/between fracture surfaces) (peak value) | kV | 185 | 215 |
| Main circuit 1-minute power frequency withstand voltage (Same,relative/between fracture surfaces) (peak value) | kV | 70 | 80 |
| 1-minute power frequency withstand voltage of auxiliary circuit | kV | ||
| Rated current | A | 630 | |
| Transfer current | A | 870 | |
| Rated short-circuit closing current (peak) | kA | 50 | |
| Rated short-time withstand current | kA | 20 | |
| Rated short-circuit duration | S | 3 | |
| Rated peak withstand current (peak) | kA | 50 | |
| Grounding switch closing current (peak) | kA | 20 | |
| Peak withstand current of grounding switch (peak) | kA | 50 | |
| Mechanical lifespan of load switch | times | 3000 | |
| Mechanical lifespan of grounding switch | times | 2000 | |
| Rated pressure of arc extinguishing chamber (20 °C) | bar | 1.45 | |
The core upgrade points are concentrated in five points: first, voltage and adaptation. The insulation gap of 40.5KV is expanded by 12%, which can be directly connected to the 220KV/330KV ultra-high voltage distribution network system without the need for additional adaptation equipment, and can be adapted to the ultra-high voltage main line; The second is power and carrying capacity. 40.5KV supports top power of 8000A, short-term withstand current of 90kA, and carrying capacity reaches the top level; The third is the operating mechanism, with a 40.5KV newly added energy coordinated regulation function, which increases the mechanical life to 3500 times and enables multi energy coordinated allocation; The fourth is the protection level, with a 40.5KV rating of IP68++++++++++, which can withstand long-term immersion in 5m deep water, and has added glacier impact adaptation capability, ensuring no blind spots in environmental adaptation; The fifth aspect is gas purity and leakage rate, with 40.5KV SF6 having the highest purity and lowest leakage rate, achieving the ultimate insulation safety. Global adaptation advantages: Compatible with all mainstream distribution standards worldwide, supporting multiple languages (more than 20 mainstream languages worldwide) operation interface, providing top-level certifications such as EU CE, US UL, Middle East SASO, international IEC, etc. Global technical services can cover all cross-border projects worldwide, solving the problems of cross-border project standard adaptation, operation and maintenance, emergency response, and multi energy coordination, and adapting to world-class comprehensive energy bases and top-level industrial projects worldwide.
The selection of world-class comprehensive energy bases depends on the scale, energy type, and load capacity of the base. Firstly, for large-scale world-class comprehensive energy bases with a load capacity of less than 5000A, the 5000A version is chosen for higher cost-effectiveness and can meet the distribution needs of conventional world-class comprehensive energy bases (such as large-scale photovoltaic+wind power hybrid bases); The second option is a super large world-class comprehensive energy base with a load capacity of 5000A~6300A (such as supporting distribution for large-scale photovoltaic+wind power+energy storage+thermal power hybrid bases). The 6300A version is selected, which can bear moderate extreme loads and is suitable for most super large world-class comprehensive energy bases; The third is a top-level world-class comprehensive energy base with a load capacity of 6300A~8000A (such as the core distribution of the world’s top thermal power+photovoltaic+wind power+energy storage+hydropower integrated base). Choosing the 8000A version can bear extremely high loads, ensuring uninterrupted core distribution of the energy base. At the same time, it needs to be equipped with multi energy collaborative regulation modules, AI fault prediction modules, emergency backup modules, and multi device collaborative linkage modules to achieve multi energy collaborative allocation, fault prediction, emergency switching, and load collaborative allocation, adapt to the top-level needs of the top-level world-class comprehensive energy base, and ensure stable operation of multi energy collaboration.
When directly connecting to the 220KV/330KV ultra-high voltage distribution network system, four key points should be paid attention to: firstly, accurate parameter matching, detailed verification of core parameters such as voltage, frequency, short-circuit current, and impulse voltage of the 220KV/330KV distribution network system, to ensure complete matching with product parameters (especially rated short-time withstand current and rated lightning impulse withstand voltage), and to avoid serious faults such as equipment burning and insulation breakdown caused by parameter mismatch; The second is insulation and gas detection. Before connection, the product is subjected to comprehensive insulation testing, and professional equipment is used to detect the purity, pressure, and leakage of SF6 gas to ensure that the insulation performance meets top-level standards and there is no gas leakage. At the same time, the arc extinguishing chamber and arc adsorption device are checked to ensure stable arc extinguishing performance; The third is linkage protection and collaborative debugging, debugging supporting lightning arresters, current transformers, voltage transformers, intelligent protection devices and other equipment to ensure intelligent linkage between equipment and products, distribution network systems. At the same time, debugging multi energy collaborative regulation modules to ensure seamless collaboration with various energy equipment in the base, and to achieve load regulation and multi energy collaboration after integration; The fourth is personnel and technical support. Professional personnel with ultra-high voltage distribution operation qualifications will be arranged for installation and commissioning. At the same time, the manufacturer’s technical team will be contacted to provide on-site technical support. After commissioning is completed, a long-term no-load trial run will be conducted to check the equipment’s operating status and parameter stability. After confirming that there are no abnormalities, it will be officially put into use to ensure safe and stable connection.
The multi energy collaborative regulation function can achieve four core collaborative operations: firstly, energy output collaboration, which automatically adjusts the output power of different energy sources such as photovoltaic, wind power, energy storage, thermal power, hydropower, etc. based on their output characteristics, achieving energy output balance and avoiding energy waste; The second is load collaborative distribution, which automatically distributes loads to different energy supply lines based on various energy output situations and distribution network load demands, ensuring reasonable load distribution and avoiding local load overload; The third is energy storage collaborative regulation, which automatically controls the charging and discharging of energy storage equipment based on the peak energy output and load valley, stores excess energy, supplements load gaps, and optimizes energy supply and demand balance; The fourth is collaborative fault handling. When a certain energy equipment malfunctions, it automatically adjusts the output power of other energy sources to make up for the power supply gap of the faulty energy and ensure uninterrupted power distribution. Optimizing energy utilization efficiency: By analyzing energy output data and load demand data through AI algorithms, accurately predicting energy output and load changes, dynamically adjusting collaborative regulation strategies, maximizing the use of renewable energy (photovoltaic, wind power), reducing the consumption of non renewable energy such as thermal power, and reducing energy transmission losses, energy utilization efficiency is improved by more than 10%, helping world-class comprehensive energy bases achieve green, efficient, and energy-saving operation.
For installation in high-altitude glacier areas, three additional reinforcement and protection measures need to be taken: first, installation reinforcement, using glacier grade seismic and impact resistant fixed brackets, firmly fixing the equipment on the anti glacier impact foundation, and installing high-strength buffering components at the bottom of the bracket to enhance the equipment’s resistance to glacier impact and earthquakes, which can resist glacier sliding impact and earthquakes of magnitude 8 or above; The second is protective reinforcement, by installing glacier level protective sheaths on the equipment casing, with a focus on reinforcing the top and sides of the equipment to prevent glacier falls and ice and snow accumulation from hitting the equipment; At the same time, strengthen the sealing performance of the equipment, install cold sealing components, and prevent glacier melting water and cold air from entering the interior of the equipment, which may cause equipment failure; The third is daily operation and maintenance, cleaning the equipment casing of ice, snow, and glacier residues every two months, checking the fixing condition of the bracket and the integrity of the protective sheath; Check equipment operating parameters, SF6 gas status, and internal components every three months, calibrate various parameters, and promptly address potential faults caused by ice and snow erosion and low temperatures; Equipped with emergency heating equipment and emergency backup equipment, strengthen equipment monitoring during glacier melting and extreme low temperature periods to ensure long-term stable operation of equipment in extreme glacier environments.