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FLN36-30
FLN36-30 SF6 Load Break Switch
FLN36-30KV SF6 load switch is an indoor/outdoor universal AC high-voltage switchgear developed specifically for upgrading high-voltage distribution network hubs, large-scale cross regional energy transmission, and super large industrial clusters. It uses high-purity SF6 gas as the insulation and arc extinguishing medium, strictly follows GB3804-2004, GB16926-2009, IEC 62271-105, and IEC 61850 standards for research and development and manufacturing, with a rated voltage of 30KV and a rated frequency of 50/60Hz dual frequency adaptation.
The rated current is optional at 2000A/2500A/3150A, and the mechanical life is ≥ 2500 cycles. The product adopts a high-strength epoxy resin segmented casting sealing structure, matched with a top-level military grade anti-corrosion alloy shell, equipped with a J-shaped six spring energy storage operating mechanism, which can achieve precise linkage of “closing opening grounding locking energy storage self inspection linkage regulation” in eight positions, supporting intelligent remote control, data acquisition, linkage regulation, automatic operation and maintenance, digital traceability, fault self inspection, multi device collaborative linkage and load precise regulation. The incoming and outgoing lines support multiple ways of adaptation for cables, busbars, overhead lines, and are compatible with installation forms such as ring main units, prefabricated substations, outdoor switch stations, high-voltage distribution network core hub stations, cross regional energy transmission and distribution stations.
The core is used for 30KV High voltage distribution network hub, large-scale cross regional energy transmission, ultra large industrial clusters, and ultra long distance distribution can rely on breaking normal load current, cable charging current, no-load transformer current, and short-circuit transfer current. It is a high-end flagship equipment for high-power, long-distance, and intelligent upgrading of high-voltage distribution network.
Features
1. High voltage dual frequency upgrade, cross regional scene adaptation:
specially developed for the high-end high voltage level of 30KV, the insulation structure and arc extinguishing system are comprehensively strengthened according to the 30KV voltage standard, and the insulation gap is expanded by 12% compared to 24KV products, which can effectively resist the risk of high voltage insulation breakdown; Simultaneously supporting 50/60Hz dual frequency adaptation, it is perfectly compatible with the upgrading scenarios of domestic high-voltage distribution network hubs and the distribution needs of large-scale cross regional energy projects (such as Asia Europe and Asia Africa cross-border energy transmission projects). It can be directly put into use without additional modifications, solving the core pain point of incompatibility between high-end high-voltage levels and cross regional frequencies, and adapting to the dual needs of flagship high-voltage distribution network scenarios and cross regional energy projects.
2. Ultra high power carrying, optimal long-distance loss:
The rated current supports three options of 2000A/2500A/3150A, and the rated short-time withstand current is increased to 70kA/3s, which is more than 8% higher than the carrying capacity of 24KV products. The 3150A ultra high power version can carry extreme high load power supply for ultra large industrial clusters and cross regional energy transmission; Simultaneously optimizing the conductor material and structure, using a new high-strength conductive alloy, the transmission loss of the line is reduced by 8% compared to 24KV products, and it can be adapted to ultra high power and long-distance distribution scenarios (40km~50km) without the need for additional boosting and lowering equipment, greatly reducing the construction and operation costs of the distribution network, and improving distribution efficiency and stability.
3. High end upgrade of insulation arc extinguishing, dual guarantee of high voltage safety:
using ultra-high purity SF6 gas (purity ≥ 99.9999%) as the insulation and arc extinguishing medium, the rated pressure is increased to 0.10MPa at 20 ℃, and the arc extinguishing chamber adopts a new ultra efficient flagship arc extinguishing structure+six arc adsorption device. The arc extinguishing efficiency is increased by 10% compared to 24KV products, and the opening and extinguishing time is ≤ 7ms. It can quickly and reliably cut off various complex load currents and short-circuit transfer currents at 30KV level. There is no open flame, harmful emissions, or arc leakage during the arc extinguishing process; SF6 gas leakage rate ≤ 8 × 10 ⁻¹⁰ Pa · m ³/s, insulation performance meets international high-end high-voltage distribution standards, eliminates various high-voltage insulation safety hazards, and ensures long-term stable operation of equipment.
4. Intelligent upgrade of operating mechanism, integrated operation and maintenance control:
equipped with J-type six spring energy storage operating mechanism, adopting top-level military grade transmission structure and intelligent locking system, the mechanical life is extended to 2500 cycles, which is 13% higher than 24KV products; On the basis of multi device collaborative linkage, a new function of precise load regulation has been added, which can automatically adjust operating parameters according to changes in distribution network load, achieving dynamic balanced load distribution; Supporting eight operation modes, the electric operation adopts top-level industrial grade PLC intelligent control module, which can achieve full automation of operation and maintenance, data visualization, and precise fault positioning, and adapt to the flagship intelligent unmanned and refined operation and maintenance needs of high-voltage distribution network.
5. Comprehensive upgrade of protection, fully adaptable to extreme scenarios:
The shell is made of high-strength epoxy resin segmented casting+super top military grade anti-corrosion alloy shell, with a protection level of up to IP68++++, which can effectively resist all extreme environments such as long-term deep water immersion (within 3m), strong corrosion, strong vibration, extreme high and low temperatures, strong ultraviolet rays, dust storms, blizzards, strong lightning strikes, typhoons, etc; The applicable temperature range is extended to -65 ℃~+80 ℃, and the altitude can be extended to 6500m. It can adapt to extreme cold, extreme heat, extreme high altitude, strong corrosion, dust storms, blizzards, strong lightning strikes, typhoons and other extreme scenarios. Outdoor outdoor installation does not require additional protection, and it is suitable for the dual needs of cross regional energy projects and domestic flagship extreme scenarios.
The product has a rated peak withstand current of 155kA, rated lightning impulse withstand voltage of 235kV between phases and to ground, 255kV between faults, rated short-time power frequency withstand voltage of 150kV between phases and to ground, 160kV between faults; rated active load breaking current of 2000A/2500A/3150A is optional, rated cable charging current of 240A, can break no-load transformer capacity of 9000kVA, rated short-circuit transfer current of 60kA; SF6 gas rated pressure (gauge pressure at 20 ℃) of 0.10MPa, equipped with gas density relay, sound and light alarm device, leakage online detection sensor, six arc adsorption device, intelligent operation and maintenance module, digital traceability module, fault self checking module, multi device collaborative linkage module and load precision control module. When the pressure is below 0.09MPa, it will automatically alarm and upload data. And trigger linkage protection;
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, and long-term deep water immersion;
The implementation standards include GB3804-2004, GB16926-2009, IEC 60265-1, IEC 62271-105, IEC 61850, and are compatible with EU EN standards, US ANSI standards, high-end distribution standards in the Middle East, and international cross-border energy project standards, which can meet the compliance requirements of cross regional large-scale energy projects and domestic high-voltage distribution network flagship scenarios.
The product can be customized with ultra high power versions (3150A), fully extreme environment adaptation versions (extreme cold, extreme heat, extreme high altitude, dust storms, strong lightning strikes, typhoons), cross regional energy project specific versions (multilingual operation interface, international top-level certification), and intelligent upgrade versions. 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, and load regulation systems to form a complete top-level intelligent high-voltage protection system.
If you need detailed technical parameter tables, installation drawings, cross regional energy project adaptation plans, ultra high power and ultra long distance distribution plans or sample applications, you can contact the manufacturer’s technical team to obtain them. Exclusive support. In addition, the product supports top-level global technical services and can provide on-site installation, debugging, operation and maintenance guidance, technical training, and long-term operation and maintenance support for cross regional large-scale energy projects, ensuring stable operation throughout the project lifecycle;
Simultaneously supporting the digitization and intelligent upgrading of distribution networks, it can seamlessly integrate with domestic and foreign distribution network IoT platforms and intelligent distribution systems, achieving real-time monitoring, intelligent regulation, load coordination and rapid fault handling of equipment operation status, and helping high-voltage distribution networks achieve flagship upgrades.
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Specification
| Item | Unit | Data | |
| Rated voltage | kV | 30 | |
| 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 | |
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FAQs
What are the core upgrade points and cross regional adaptation advantages of FLN36-30KV compared to FLN36-24KV products?
The core upgrade points are concentrated in five aspects: firstly, voltage and load capacity. The insulation gap of 30KV is expanded by 12%, supporting 3150A ultra high power and short-time withstand current of 70kA, with stronger load capacity and adaptability to extreme high loads; The second is loss and transmission. The transmission loss of 30KV is reduced by 8%, which can be adapted to long-distance distribution of 40km~50km, far exceeding the transmission range of 24KV; The third is the operating mechanism, which has added precise load control function for 30KV, and the mechanical life has been increased to 2500 times, making operation and maintenance control more integrated; The fourth is the protection level, reaching IP68++++at 30KV, capable of long-term immersion in 3m deep water, with added typhoon adaptation capability and more comprehensive environmental adaptation; The fifth is the gas leakage rate, with a lower leakage rate for 30KV SF6, ensuring better insulation safety. Cross regional adaptation advantages: compatible with international cross-border energy project standards, supporting multilingual operations, providing top-level international certifications, global technical services covering the entire lifecycle of cross regional projects, solving the difficulties of cross regional project operation and standard adaptation, and adapting to cross-border energy transmission scenarios such as Asia Europe and Asia Africa.
This product supports 3150A ultra high power. How to select the core distribution scenario for ultra large industrial clusters?
Selection of core distribution scenarios for ultra large industrial clusters, with a focus on load capacity and production needs: firstly, for auxiliary distribution in ultra large industrial clusters with a load capacity of up to 2000A, the 2000A version is chosen for higher cost-effectiveness and can meet the demand for auxiliary distribution loads; Secondly, the main power distribution and load capacity of super large industrial clusters are 2000A~2500A (such as auxiliary workshops in super large metallurgical plants and supporting power distribution clusters in petrochemical plants). The 2500A version is selected, which can carry moderate extreme loads and adapt to the main power distribution needs; The third is the core power distribution of ultra large industrial clusters, with a load capacity of 2500A~3150A (such as ultra large metallurgical plant steelmaking workshop clusters, heavy machinery plant core workshop clusters, and large petrochemical plant reactor clusters). The 3150A version is selected to carry extremely high loads, ensuring continuous and stable power supply for core production equipment and avoiding large-scale production interruptions caused by load overload. At the same time, it needs to be matched with load precision control modules and multi equipment collaborative linkage modules to achieve dynamic load balance distribution.
What special equipment and technical support are required for the product to adapt to 40km~50km ultra long distance power distribution?
For ultra long distance power distribution ranging from 40km to 50km, four types of special equipment and technical support are required: firstly, high-precision line loss monitoring and optimization equipment, using high-precision line loss monitoring modules and power quality optimization equipment to monitor the power loss and quality during transmission in real time, optimize transmission plans in a timely manner, and ensure that losses are controlled within a reasonable range; Secondly, high-end supporting protection equipment, including fuses and lightning arresters, should be compatible with a voltage level of 30KV. The rated current and short-time withstand current should be matched with 3150A ultra-high power, and top-level intelligent protection equipment should be selected to achieve intelligent linkage and fault handling with the product; The third is high-end communication and linkage equipment, equipped with 5G high-end communication modules, to ensure seamless linkage between products and distribution network IoT platforms and remote distribution network terminal devices, achieving remote control, data collection, and rapid fault location; The fourth is technical support. The manufacturer provides a dedicated cross regional technical team to follow up on project installation and commissioning, provide long-term operation and maintenance guidance, regularly calibrate equipment parameters, and ensure stable operation of long-distance power distribution.
What specific control operations can be achieved by adding precise load regulation function to the product? How to ensure precise regulation?
The precise load control function can achieve three core control operations: firstly, dynamic load distribution, which can be coordinated with other switch devices, transformers, and energy storage devices in the distribution network to automatically adjust the distribution current according to the load changes in each area, achieve dynamic balanced load distribution, and avoid local load overload; The second is voltage and frequency regulation, which monitors real-time changes in line voltage and frequency, automatically adjusts equipment operating parameters, ensures voltage and frequency stability within standard ranges, and improves power quality; The third is peak and valley load regulation, which automatically adjusts the power supply load according to the peak and valley periods of electricity consumption, optimizes energy utilization efficiency, and reduces operating costs. To ensure the accuracy of regulation, two points need to be done: first, strict debugging of the regulation module before leaving the factory, optimizing the regulation algorithm, ensuring compatibility with various distribution equipment and platforms, and controlling the regulation error within ± 2%; Secondly, during daily operation and maintenance, the control module and communication lines should be calibrated and inspected every 6 months to ensure smooth communication and precise control. At the same time, the control parameters should be updated regularly to adapt to the changing demands of the distribution network load.
This product is suitable for typhoon scenarios and can be installed outdoors in areas with frequent typhoons along the coast. What additional protective measures should be taken?
For outdoor installation in areas with frequent typhoons along the coast, three additional protections need to be taken: first, installation and fixation, using high-strength fixed brackets to firmly fix the equipment on the foundation, and installing anti typhoon reinforcement at the bottom of the bracket to enhance the equipment’s anti typhoon ability and withstand the impact of typhoons of level 12 or above; The second is protective reinforcement, by installing anti typhoon protective covers on the equipment casing, with a focus on reinforcing the top and sides of the equipment to prevent typhoons from carrying debris and hitting the equipment; At the same time, check all sealing interfaces of the equipment and install sealing reinforcement to prevent typhoon rainstorm from invading the equipment; The third is emergency protection, equipped with emergency reinforcement equipment and drainage equipment. Before the typhoon arrives, the equipment should be comprehensively inspected, and the brackets and protective covers should be reinforced; After the typhoon, clean and dry the equipment in a timely manner, check the operation status, fixation and sealing performance of the equipment, calibrate various parameters, and ensure that the equipment is not faulty before being put back into use.
Related Applications
Upgrade of High Voltage Distribution Network Core Hub: As a high-end flagship switchgear for urban and regional high voltage distribution network core hubs, it is installed in distribution network core hub stations and outdoor switch stations, responsible for core distribution, load control, and fault isolation of the main line after 110KV high voltage reduction (30KV). The 30KV voltage level can effectively reduce distribution losses in core hubs, 3150A The ultra high power version can bear the extreme high load demand of the core hub. The multi device collaborative linkage, precise load control, and intelligent operation and maintenance functions can achieve unmanned and refined operation and maintenance of the distribution network core hub, quickly handle faults, balance load distribution, avoid large-scale power outage accidents, ensure the stable operation of high-voltage distribution network core hubs, help urban distribution networks achieve high-end flagship level upgrades, and adapt to the upgrading scenarios of large urban and regional core distribution network hubs.
Cross regional ultra large energy transmission and distribution: Suitable for cross regional ultra large thermal power plants, hydropower plants, centralized photovoltaic power plants, offshore wind farms and other cross regional energy projects, such as Asia Europe and Asia Africa cross-border energy transmission projects. This product can be used as the core switchgear, responsible for high-voltage distribution control, load regulation and fault isolation of the project. The dual frequency adaptation characteristics can perfectly comply with the distribution standards of different countries, The IP68+++high level of protection can adapt to the all extreme environment in different countries (such as extreme cold and snow in Europe, high temperature and strong corrosion in Africa, typhoon and rainstorm in Asia). The 3150A super power version can carry the extremely high load power supply of super large energy projects. Global top-level technical services can ensure the stable operation of the project throughout its life cycle, help international energy cooperation and upgrading, and solve the problem of trans regional energy transmission and distribution.
Core power distribution for super large industrial clusters: used for the core power distribution system of super large industrial clusters (such as super large metallurgical industrial clusters, heavy machinery manufacturing clusters, large petrochemical industrial clusters, high-end equipment manufacturing clusters), where the electrical load is extremely high, the load fluctuates dramatically, and there are extreme working conditions such as strong corrosion, strong vibration, high temperature and high voltage, and strong lightning strikes. The 30KV voltage level can meet the high-end needs of industrial high-voltage power distribution, with a voltage of 3150A The ultra high power version can carry extreme high loads of ultra large production equipment (such as large steelmaking furnace clusters, heavy-duty compressor clusters, and large reactor clusters). The fault self check, multi device collaborative linkage, and precise load regulation functions can quickly troubleshoot faults, reduce operation and maintenance downtime, optimize load distribution, and the ultra top military grade anti-corrosion shell can resist extreme erosion in industrial scenarios, ensuring continuous and stable production of ultra large industrial clusters and improving production efficiency and safety.
Ultra high power and ultra long distance high-voltage distribution: used for ultra high power and ultra long distance high-voltage distribution scenarios (40km~50km) between urban and remote large industrial areas, large energy bases, and distribution network main lines. It is installed in remote distribution network terminal stations and outdoor switch stations, responsible for converting 110KV/35KV high-voltage electricity into 30KV and transmitting it over long distances to the destination. The 30KV voltage level can effectively reduce long-distance transmission losses, 3150A The ultra high power version can carry ultra high load power supply, avoiding voltage drop and load overload caused by long-distance distribution. The intelligent linkage, fault collaborative processing, and precise load regulation functions can achieve load allocation and rapid fault handling, ensuring the stable operation of long-distance distribution, solving the problem of ultra long distance and ultra high power distribution, and helping to further expand the coverage of the distribution network, adapting to remote large-scale industrial areas and large-scale energy bases for long-distance power supply scenarios.
