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NSHBG-22
NSNSHBG-22 Environmentally friendly gas-insulated ring main unit
NSHBG-22 22kV environmentally friendly gas insulated ring main unit is a high-end medium and high voltage equipment designed specifically for cross-border large-scale infrastructure and overseas intelligent parks. It uses a new type of low GWP mixed gas (GWP value ≤ 6), integrates AI intelligent diagnostic unit, non-destructive expansion module, cross-border communication module, and integrates drawer type modular design and microgrid linkage technology. The core components comply with the IEC 62271-203 international standard and have passed the EU CE and US UL certifications. The equipment focuses on scenarios such as overseas high-speed railways, cross-border oil and gas pipelines, and European smart parks, with high reliability, intelligent linkage, and international compliance as the core, to help stabilize cross-border infrastructure power systems.
Features
1. Cross border infrastructure adaptation, supporting multi regional power grid parameter customization, with a voltage fluctuation range of ± 15%, can adapt to different countries’ power grid architectures, and has seismic and impact resistance performance, meeting the outdoor installation needs of infrastructure projects.
2. Intelligent linkage is efficient, equipped with edge computing AI module, which can analyze multi-dimensional operation data in real time, realize fault prediction, dynamic load deployment, and seamlessly link energy storage, microgrid and infrastructure management and control systems.
3. Comprehensive international compliance, gas compliance with the Kyoto Protocol and EU carbon tariff policies, certification covering major regions worldwide, and avoiding trade barriers; The fourth is the convenience of non-destructive expansion, using patented technology for live expansion. The newly added circuit can be installed without power outage, and the power supply continuity reaches 99.99%, adapting to the gradually increasing demand of infrastructure projects.
Rated current range: 1250A-3150A, rated short-circuit breaking current: 25kA-40kA, air box protection level IP67, suitable for ambient temperatures from -40 ℃ to+70 ℃, air leakage rate ≤ 0.05%/year, air box service life ≥ 30 years. It supports 4G/5G/satellite the third mock examination communication, can stably transmit data in infrastructure scenes without ground network coverage, is compatible with IEC 61850-9-2 point-to-point communication protocol, and realizes deep linkage with infrastructure intelligent management and control platform.
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Specification
| Serial No. | Item | PT Module | V Module | |
| Disconnecting Switch | Vacuum Circuit Breaker | Isolation/Earth Switch | ||
| 1 | Rated Voltage | 22 | ||
| 2 | 1min Power Frequency Withstand Voltage | 50/60 | ||
| 3 | Lightning Impulse Withstand Voltage | 125/145 | ||
| 4 | Rated Current | 630 | 630 | 630 |
| 5 | Short-Circuit Breaking Current | 20 | ||
| 6 | Short-Circuit Making Current | 50 | ||
| 7 | Short-Time Withstand Current | 20 | 20 | 20 |
| 8 | Short-Circuit Duration | 4 | 4 | 4 |
| 9 | Mechanical Life | 5000 | 10000 | 5000 |
| 10 | Gas Pressure | 0.025（20℃） | ||
| 11 | Annual Leakage Rate | ≤0.01% | ||
| 12 | Arc Extinguishing Method | Vacuum Arc Extinguishing | ||
| 13 | Protection Class | IP67/4X (Tank/Enclosure) | ||
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FAQs
How can this device achieve remote control in cross-border infrastructure scenarios without ground networks?
Equipped with a satellite communication module, it can directly access the global satellite network, enabling device operation parameter uploading, remote opening and closing, and fault alarm without relying on ground communication base stations, suitable for remote infrastructure scenarios.
How to ensure the safety of live expansion?
Adopting a dedicated insulation expansion interface and locking device, insulation isolation is maintained throughout the operation process, and a real-time monitoring module is equipped to automatically shut down in case of any abnormalities, ensuring the safety of operators and equipment.
Does it support linkage with overseas high-speed rail control systems?
Supports seamless integration with high-speed rail signal systems and power supply control platforms through customized communication protocols, achieving real-time synchronization of power supply status and rapid response to faults, ensuring the safety of high-speed rail power supply.
Related Applications
Overseas high-speed rail hub power distribution scenario: adapted to the power supply needs of high-speed rail hubs in Europe, Southeast Asia and other regions, the equipment can be linked with the high-speed rail signal system and emergency power supply system to ensure stable power supply for platform lighting, air conditioning, communication equipment and train traction auxiliary. The seismic and impact resistant design can cope with the vibration generated by high-speed rail operation, and the intelligent diagnostic function can predict faults in advance to avoid power interruption affecting high-speed rail operation. At the same time, the environmental attributes comply with European green transportation policies.
Cross border oil and gas pipeline power distribution scenario: In response to the remote location and lack of ground network along the cross-border oil and gas pipeline, the satellite communication module can achieve remote control, and the wide temperature tolerance can cope with extreme weather conditions along the pipeline. To supply power to pipeline pressurization stations, metering stations, and security monitoring equipment, the sealed gas box can resist outdoor dust and water vapor erosion, reduce inspection costs along the line with low operation and maintenance characteristics, and ensure the safe transportation of oil and gas pipelines.
European smart park distribution scenario: adapted to the low-carbon and intelligent positioning of European smart parks, it can be deeply linked with the park’s photovoltaic, energy storage, and charging pile systems to achieve efficient distribution of green electricity and load regulation. The AI module can automatically adjust the power supply strategy according to changes in the park’s electricity load, and its non-destructive expansion capability can gradually expand the circuit with the entry of park enterprises. At the same time, comprehensive international certification ensures compliance with European environmental and technical standards.
Power distribution scenario for overseas airport terminals: In response to the high load density and power continuity requirements of overseas airport terminals, the stable short-circuit breaking performance of equipment can cope with the load impact of air conditioning, elevators, and navigation equipment. The intelligent linkage function can synchronize data with the airport control system. Low noise operation does not interfere with the airport environment, environmentally friendly gases have no leakage or pollution hazards, and ensure 24-hour uninterrupted power supply to the airport terminal.
