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NSHBG-11
NSHBG-11 Environmentally friendly gas-insulated ring main unit
NSHBG-11 11kV environmentally friendly gas insulated ring main unit is a medium voltage equipment customized for complex overseas scenarios and cross-border projects. It uses a mixture of N ₂ and low GWP fluorinated ketone gas as the insulation medium, integrates international modular design and extreme environmental resistance technology, and its core components comply with the IEC 62271-203 international standard and have passed special certifications in multiple countries and regions. The equipment can be customized with voltage frequency, installation method, and protection level as needed, suitable for overseas mining, tropical agriculture, cross-border data centers, and other scenarios, taking into account international compliance, resilience, and remote operation and maintenance capabilities, to assist in the stable implementation of cross-border project power systems.
Features
1. Full scene customization capability, supporting 50Hz/60Hz frequency switching, voltage fluctuation range of ± 15%, customizable wall mounted, floor standing, and containerized installation structures, suitable for different project site conditions overseas.
2. Tolerant to extreme environments, the air box is made of stainless steel material and ceramic coating technology, with a protection level of IP68, which can resist salt spray, sand and dust, high temperature and humidity, and short-term flood invasion, suitable for desert, coastal, tropical jungle and other scenes.
3. International compliance is worry free, providing localized certifications such as CE, UL, T Ü V, SASO, etc. The gas meets the environmental requirements of the Kyoto Protocol and avoids overseas environmental trade barriers; The fourth is efficient cross-border operation and maintenance, equipped with multilingual intelligent terminals and satellite communication modules, supporting global remote control, and cooperating with overseas warehouse spare parts reserves, the operation and maintenance response speed is increased by 50%.
Rated current range: 630A-2000A, rated short-circuit breaking current: 16kA-25kA, suitable for ambient temperatures ranging from -45 ℃ to+80 ℃, with an average time between failures (MTBF) of ≥ 150000 hours. The air box adopts earthquake resistant design and has passed ISTA 3A transportation certification, suitable for cross-border sea and land transportation bumps and impacts. Support fault recording, harmonic analysis, and partial discharge online monitoring functions, and can be connected to mainstream overseas intelligent distribution network platforms.
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Specification
| Serial No. | Item | PT Module | V Module | |
| Disconnecting Switch | Vacuum Circuit Breaker | Isolation/Earth Switch | ||
| 1 | Rated Voltage | 11 | ||
| 2 | 1min Power Frequency Withstand Voltage | 28/32 | ||
| 3 | Lightning Impulse Withstand Voltage | 75/85 | ||
| 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 equipment cope with the impact of sand and dust accumulation in overseas desert areas?
The air box adopts a sealed structure+self-cleaning coating, which can prevent sand and dust from entering and corroding the internal components. At the same time, the heat dissipation structure has been optimized to avoid sand and dust accumulation affecting heat dissipation, ensuring stable operation in high-temperature sand and dust environments.
Does it support overseas localization installation guidance?
Support, engineers with multilingual abilities can be dispatched to guide installation on-site, provide localized installation manuals and video tutorials, and assist in solving installation problems through remote video.
How to supplement and recycle mixed gases overseas?
Provide portable gas recovery and filling equipment, which can be distributed through overseas warehouses, and cooperate with local environmental protection agencies to achieve compliant gas recovery and treatment, reducing operation and maintenance costs.
Related Applications
Overseas desert mineral mining and distribution scenarios: Suitable for open-pit operating environments in desert mining areas such as Africa and the Middle East, with high temperature resistance and anti dust design that can withstand high temperatures above 40 ℃ and strong sand and dust weather. The sealed gas box can isolate mineral dust and oil pollution, avoiding component wear and failure. The remote operation and maintenance function can reduce the configuration of on-site operation and maintenance personnel, supply power to drilling equipment, mineral processing machinery, and living facilities in mining areas, and ensure that there is no leakage or pollution of environmentally friendly gases, which is in line with local environmental policies.
Power distribution scenario in Southeast Asia tropical agricultural park: in response to the climate characteristics of high temperature and humidity in Southeast Asia and frequent rainstorm, the equipment IP68 protection level can withstand short-term flood immersion, and the anti condensation design avoids the influence of moisture condensation on insulation performance. The compact structure can be installed in a simple distribution shed in the field, providing power for tropical fruit plantations, rubber processing plants, and irrigation systems. Its low maintenance characteristics are suitable for the local agricultural park’s maintenance capabilities, helping to promote large-scale agricultural production.
Cross border data center overseas node power distribution scenario: adapted to the precise power supply needs of overseas data center nodes, with stable mixed gas insulation performance, which can avoid the impact of voltage fluctuations on server clusters. The multilingual intelligent terminal is convenient for overseas operation and maintenance personnel to operate, and the satellite communication module can achieve global data synchronization, ensuring uninterrupted power supply for data centers 24/7. At the same time, its environmental attributes meet the requirements of international data center green certification.
Power distribution scenario for overseas island tourism resorts: In response to the high salt spray concentration and inconvenient transportation on islands, the special anti-corrosion coating of the equipment can resist the erosion of seawater salt spray, and the modular design facilitates disassembly, transportation, and on-site assembly. To provide power supply for island hotels, amusement facilities, and seawater desalination equipment, the remote monitoring function can real-time grasp the equipment status, reduce the cost of island inspections, and at the same time, environmentally friendly gases do not pollute the marine environment, which is in line with the positioning of island ecotourism.
