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NSHBG-22
NSHBG-24 Environmentally friendly gas-insulated ring main unit
The 24kV environmentally friendly gas insulated ring main unit is a flagship equipment designed for the end of ultra-high voltage distribution networks and high-end intelligent clusters. It uses a new type of environmentally friendly insulating gas (GWP value ≤ 3), integrates AI multi-dimensional diagnostic units, high-precision voltage regulation modules, and microgrid collaborative control units. The gas box is made of aviation grade aluminum alloy material and integrated sealing technology, balancing lightweight, high strength, and ultra-low partial discharge characteristics. The equipment complies with the dual top-level standards of GB/T 11022 and IEC 62271, focusing on scenarios such as supercomputing centers, high-end chip manufacturing, and large-scale energy storage clusters. With ultra-low partial discharge, ultra stable power supply, and intelligent collaboration as the core, it achieves green and intelligent upgrades at the end of ultra-high voltage distribution networks
Features
1. Ultra precision power supply, partial discharge level ≤ 3pC, voltage deviation controlled within ± 0.3%, electromagnetic interference (EMI) meets Class A standards, and can adapt to ultra precision loads such as quantum computing and high-end chip manufacturing.
2. Top environmental performance, the new gas insulation has better arc extinguishing performance than SF ₆, and can be 100% recycled, purified, and reused. The carbon emissions throughout the life cycle are reduced by 99% compared to SF ₆ equipment, which meets the low-carbon needs of high-end scenarios.
3. Leading in intelligent collaboration, equipped with AI collaborative control modules, it can deeply link with energy storage clusters, microgrid systems, and intelligent distribution network platforms to achieve fault self-healing, peak shaving and valley filling, and power quality optimization.
4. Long and reliable lifespan, with an air leakage rate of ≤ 0.03% per year and a service life of ≥ 35 years. The components are selected from aviation grade brands, and the mean time between failures (MTBF) is ≥ 200000 hours.
Rated current range: 1600A-4000A, rated short-circuit breaking current: 31.5kA-50kA, air box protection level IP67, suitable for ambient temperatures ranging from -30 ℃ to+65 ℃. Supports compatibility with multiple protocols such as IEC 61850-9-2 and DL/T 860, and can seamlessly integrate with supercomputer center control systems and chip manufacturing equipment control systems. Adopting oil-free and silent design, the operating noise is ≤ 55 decibels, suitable for clean and precise high-end scene environments.
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Specification
| Serial No. | Item | PT Module | V Module | |
| Disconnecting Switch | Vacuum Circuit Breaker | Isolation/Earth Switch | ||
| 1 | Rated Voltage | 24 | ||
| 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
Can this device meet the ultra precision power supply needs of high-end chip manufacturing?
Yes, the ultra-low partial discharge and low electromagnetic radiation design can eliminate power supply interference, and the precise voltage regulation ability can ensure voltage stability during the chip manufacturing process, avoiding chip scrap caused by voltage fluctuations, fully adapting to the manufacturing needs of 14nm and below process chips.
What are the difficulties and costs of recycling new environmentally friendly gases?
Low recycling difficulty, specialized portable recycling equipment can be used, with a recycling efficiency of over 98%. The recovered gas can be purified and reused, with a recycling cost of only 1/6 of SF ₆ gas, and lower long-term operation and maintenance costs.
What microgrid linkage functions can AI collaborative control achieve?
It can automatically coordinate the charging and discharging of energy storage clusters and the distribution of photovoltaic output, achieve dynamic load balance within microgrids, quickly switch power supply circuits in case of faults to achieve self-healing, optimize power quality, and suppress harmonics and voltage flicker.
Related Applications
Supercomputing Center Power Distribution Scenario: In response to the ultra precision power supply requirements of the Supercomputing Center server cluster and cooling system, ultra-low partial discharge and low electromagnetic radiation design can eliminate power supply interference and ensure stable operation of the Supercomputing equipment. The intelligent collaboration function can be linked with the supercomputing control system to adjust power supply parameters according to computing power load, and at the same time, cooperate with the energy storage system to achieve peak shaving and valley filling, reduce electricity costs, and integrate environmentally friendly gases with the green and low-carbon positioning of the supercomputing center.
High end chip manufacturing workshop power distribution scenario: Suitable for the clean and precise requirements of 14nm and below process chip manufacturing, the sealed gas box has no dust or oil leakage, and meets the Class 100 clean workshop standard. The precise voltage regulation capability can ensure the voltage stability of core processes such as photolithography and etching, avoiding chip scrap caused by power supply problems. The AI diagnostic function can detect faults in advance, ensuring the continuous operation of the production line 24/7.
Large scale energy storage power station cluster distribution scenario: As the core distribution equipment of the energy storage power station cluster, it can be deeply linked with the energy storage PCS and microgrid controllers, accurately adapting to the characteristics of frequent charging and discharging switching and wide voltage fluctuation range. The intelligent collaborative function can coordinate the charging and discharging of various energy storage units, achieve grid peak shaving, backup power supply and other functions. The concept of green development in the field of environmentally friendly gas and energy storage is highly compatible, and the ultra long life design reduces the operation and maintenance costs of energy storage power stations.
Distribution scenario for biological laboratory clusters: For precision experimental equipment such as gene sequencing and biochips, ultra-low partial discharge and low electromagnetic radiation design can ensure the accuracy of experimental data. Environmentally friendly gas is non-toxic and non corrosive, meeting the requirements of laboratory cleanliness and environmental protection. Its precise voltage regulation ability can stably supply power to equipment such as incubators and sequencers, avoiding voltage fluctuations that affect experimental results and providing ultimate reliable power support for high-end biological research work.
