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NSHBG-36
NSHBG-36 Environmentally friendly gas-insulated ring main unit
NSHBG-36 36kV environmentally friendly gas insulated ring main unit is a high-voltage equipment specially designed for overseas niche high-end markets and extreme environmental high-voltage scenarios. It adopts a new low GWP mixed gas (GWP value ≤ 12), integrates AI intelligent diagnostic unit, high-voltage non-destructive expansion module, explosion-proof sealing unit, and combines overseas high-end industrial scene design with extreme environmental strengthening technology. The core components comply with the IEC 62271-203 international standard and have passed the EU ATEX explosion-proof certification and the Middle East ABS marine certification. The equipment can be customized with high-voltage interfaces, protection levels, and operation modes, suitable for overseas high-end oil and gas hubs, deep-sea platform assistance, tropical high-end parks, and other scenarios, taking into account high-end scenario customization, extreme environmental tolerance, and environmental compliance.
Features
1. High end scene customization is strong, and high-voltage interfaces, operating mechanisms, and monitoring modules can be customized according to the needs of overseas high-end industrial scenes, adapting to special high-voltage distribution needs such as oil and gas, and offshore platforms.
2. Enhanced tolerance to extreme environments, the air box is made of titanium alloy composite material and multi-layer anti-corrosion and explosion-proof coating, with a protection level of IP68+explosion-proof level Ex d IIB T4, which can resist extreme environments such as oil and gas corrosion, deep-sea high humidity, and tropical typhoons.
3. AI intelligent operation and maintenance upgrade, equipped with edge computing AI module, can analyze multi-dimensional data such as high-voltage insulation, gas status, mechanical characteristics in real time, predict faults 72 hours in advance, and push accurate maintenance suggestions.
4. High voltage non-destructive expansion adopts patented technology for high-voltage live expansion, and the newly added circuit can be installed without power outage. The power supply continuity reaches 99.99%, which is suitable for the gradually increasing demand of high-end scene loads.
Rated current range: 1250A-2500A, rated short-circuit breaking current: 25kA-31.5kA, suitable for ambient temperatures ranging from -45 ℃ to+80 ℃, with an average time between failures (MTBF) of ≥ 200000 hours. The gas box has undergone special tests for explosion prevention, earthquake resistance, and waterproofing, and is suitable for special installation scenarios such as offshore platforms and oil and gas hubs. It supports satellite+wireless dual-mode communication and can stably transmit data in areas without ground networks. It is compatible with overseas high-end industrial control platform protocols.
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Specification
| Serial No. | Item | PT Module | V Module | |
| Disconnecting Switch | Vacuum Circuit Breaker | Isolation/Earth Switch | ||
| 1 | Rated Voltage | 36 | ||
| 2 | 1min Power Frequency Withstand Voltage | 70/80 | ||
| 3 | Lightning Impulse Withstand Voltage | 185/215 | ||
| 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 the explosion-proof performance of this equipment be adapted to the flammable and explosive environment of overseas oil and gas hubs?
Fully compatible, certified by the EU ATEX explosion-proof certification, the gas box adopts explosion-proof sealing and pressure relief structure, which can isolate external flammable and explosive gases from entering the equipment, while avoiding internal arc leakage and explosion, meeting the explosion-proof safety level requirements of oil and gas hubs.
How to ensure the service life of equipment in high humidity and high salt spray environments on deep-sea platforms?
The gas box is made of titanium alloy composite material and marine grade anti-corrosion coating, which can resist high humidity and salt spray corrosion in deep sea. The sealing components are made of seawater corrosion-resistant materials, with a normal operating service life of ≥ 30 years. At the same time, it is equipped with a corrosion online monitoring module to provide real-time feedback on the corrosion status.
What high-voltage faults can the AI intelligent diagnostic module accurately identify?
It can accurately identify potential faults such as high voltage insulation aging, poor contact, gas leakage, and mechanical wear, with a monitoring accuracy of 1pC. At the same time, it can generate customized maintenance plans based on scene characteristics to reduce the difficulty of high-end scene operation and maintenance.
Related Applications
Overseas high-end oil and gas hub distribution scenarios: Suitable for the 36kV high-voltage distribution needs of high-end oil and gas hubs in the Middle East, North America, and other regions. The explosion-proof sealing design can resist the risks of oil and gas corrosion and flammable and explosive environments. The AI intelligent diagnostic function can predict faults in advance, avoiding oil and gas leakage or explosion accidents caused by equipment failures. The satellite communication module enables remote control, reducing the time that on-site operation and maintenance personnel are exposed to hazardous environments, and ensuring the safe and efficient operation of oil and gas hubs.
Southeast Asian deep-sea platform auxiliary power distribution scenario: In response to the auxiliary high-voltage power distribution needs of Southeast Asian deep-sea oil and gas platforms and wind power platforms, titanium alloy gas boxes can resist high humidity and salt spray corrosion in deep sea, IP68 protection level can withstand seawater immersion, and seismic design can cope with platform turbulence and wave impact. To supply power to drilling equipment, communication systems, and living facilities on the platform, AI intelligent monitoring function can provide real-time feedback on equipment status, ensuring uninterrupted power supply for deep-sea platforms and meeting the green and environmental protection requirements of marine engineering.
High voltage distribution scenarios in high-end chemical parks in Europe: Suitable for the 36kV high-voltage distribution needs of high-end chemical parks in Europe, the equipment meets the strict environmental and safety standards of the European Union, and the explosion-proof and anti-corrosion design can resist corrosive gases and dust in the chemical industry. The AI intelligent diagnostic function can be linked with the industrial control system of the park to achieve rapid response and precise maintenance of faults. The non-destructive expansion capability can gradually expand the circuit with the increase of the park’s production capacity, balancing production continuity and green low-carbon goals.
Distribution scenario for high-end parks in the Middle East tropics: To cope with the climate characteristics of high temperature, strong typhoons, and high salt spray in the Middle East tropics, the equipment’s reinforced heat dissipation structure can withstand high temperatures of up to 80 ℃. The anti typhoon design can withstand the impact of typhoons above level 12, and the special anti-corrosion coating can resist coastal salt spray erosion. To provide stable high-voltage power supply for high-end commercial parks, technology parks, and hotel clusters, with low-noise operation that does not interfere with the park environment, and environmentally friendly gases that meet the requirements of green building certification in the Middle East region.
