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XGN33
XGN36 Air Insulated Switchgear
The 36kV air insulated ring main unit is a customized ultra-high voltage distribution equipment for niche high-end scenarios, mainly suitable for overseas high-end industrial projects, domestic ultra-high voltage supporting extension projects, and special industries (such as aerospace, high-end semiconductor) 36kV distribution network systems. The equipment uses air as the insulating medium and integrates core technologies such as ultra-high voltage insulation redundancy, customized niche parameters, strong anti-interference, and extreme environmental tolerance. It has functions such as high-voltage power supply, precise fault protection, and intelligent linkage, and can operate stably under special working conditions such as strong electromagnetic interference, ultra-low temperature, and high cleanliness, filling the gap in the adaptation of conventional high-voltage equipment in niche high-end scenarios.
Features
1.Customization of niche parameters:
Supports comprehensive customization of electrical parameters, cabinet size, operating mechanism, and measurement and control functions, and can adapt to the special needs of 36kV niche voltage levels, meeting the personalized adaptation demands of high-end industrial and ultra-high voltage extension projects.
2.Ultra high voltage insulation redundancy:
using composite insulation materials and multi-layer insulation structures, the insulation withstand voltage reaches 1.3 times the standard value, which can resist arc, corona and voltage shock under ultra-high voltage conditions, greatly improving operational safety and stability.
3.Strong electromagnetic interference shielding:
The cabinet adopts a fully metal sealed structure and electromagnetic shielding coating, with built-in electromagnetic isolation modules, which can resist strong electromagnetic radiation interference and adapt to scenarios with strict electromagnetic environment requirements such as aerospace and semiconductor.
4.High end scenario adaptation:
Supports customization for special working conditions such as high cleanliness, ultra-low temperature, and explosion-proof. The cabinet has excellent sealing performance and can be adapted to high-end scenarios such as dust-free workshops and polar projects. The core components are made of military grade materials and have a service life of over 30 years.
Execution standards: GB/T 3906-2020, IEC 62271-201, ANSI C37.20.1; Rated current: 2500A-4000A; Short circuit breaking current: 31.5kA-40kA; Protection level: IP54 (high cleanliness type IP66); Installation methods: indoor high cleanliness installation, outdoor ultra-low temperature installation, customized installation in explosion-proof areas; Optional configurations: electromagnetic shielding module, high cleanliness sealing kit, ultra-low temperature heating module.
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Specification
| No. | Name | Unit | Value |
| 1 | Rated Voltage | kV | 36 |
| 2 | Rated Frequency | Hz | 50 |
| 3 | Rated Current of Main Busbar / Maximum Rated Current of Fuse | A | 630, 125 |
| 4 | Rated Short-time Withstand Current of Main Circuit & Grounding Circuit | kA/S | 20, 3 |
| 5 | Rated Peak Withstand Current of Main Circuit & Grounding Circuit | kA | 50 |
| 6 | Rated Short-circuit Making Current of Main Circuit & Grounding Circuit | kA | 50 |
| 7 | Full Capacity Opening Times of Load Switch | times | 100 |
| 8 | Fuse Breaking Current | kA | 31.5 |
| 9 | Rated Closed-loop Breaking Current | A | 630 |
| 10 | Rated Transfer Current | A | 1600 |
| 11 | Mechanical Life | times | 2000 |
| 12 | 1min Power Frequency Withstand Voltage (Peak) – Phase-to-Phase & Phase-to-Earth / Isolation Break | kV | 70/80 |
| 13 | Lightning Impulse Withstand Voltage (Peak) – Phase-to-Phase & Phase-to-Earth / Isolation Break | kV | 185/215 |
| 14 | 1min Power Frequency Withstand Voltage of Secondary Circuit | kV | 2 |
| 15 | Protection Class | IP3X |
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FAQs
How long does it usually take to customize a 36kV ring main unit?
The regular customization cycle is 45-60 days, and the core components and structure can be flexibly adjusted according to project requirements. If special customization such as high cleanliness and strong electromagnetic shielding is involved, the cycle can be extended to 90 days, and real-time synchronization services for customization progress can be provided.
Will the equipment generate dust pollution when used in a high cleanliness and dust-free workshop?
No, the equipment adopts a high cleanliness sealing design, and the cabinet interface is equipped with a dust-free sealing kit. The internal components are made of dust-free materials, and no dust is generated during operation. It fully meets the requirements of Class 100 and Class 1000 dust-free workshops.
Related Applications
Overseas high-end semiconductor factories: Some overseas high-end semiconductor factories adopt a 36kV distribution network system and have extremely high requirements for electromagnetic environment and cleanliness. The equipment is designed with strong electromagnetic shielding and high cleanliness, and can be installed in the distribution room next to the dust-free workshop of the semiconductor factory to resist strong electromagnetic interference from semiconductor production equipment, without dust pollution risk. The ultra-high voltage insulation redundancy ensures stable high-voltage power supply during chip production, avoiding voltage fluctuations that affect chip yield.
Domestic ultra-high voltage supporting extension projects: The supporting extension distribution network of ultra-high voltage converter stations and substations adopts a 36kV voltage level, and the equipment can be used as the core control equipment of the extension distribution network. The ultra-high voltage insulation redundancy adapts to the voltage fluctuations of the ultra-high voltage system, and is linked with the ultra-high voltage dispatch system to achieve precise control and rapid fault isolation of the extension distribution network, ensuring the overall stable operation of the ultra-high voltage supporting project and assisting in the efficient coverage of ultra-high voltage power.
Power supply for polar scientific research stations: The high-voltage distribution network of polar scientific research stations often adopts a 36kV voltage level. The equipment is designed with ultra-low temperature customization and can withstand extreme cold environments of -60 ℃. It is equipped with a low-temperature heating module and a cold proof sealing structure, which can operate stably without additional insulation devices. It has strong anti-interference ability and can resist the complex electromagnetic environment in polar regions, providing continuous high-voltage power supply for scientific research equipment and living facilities of the scientific research station, ensuring the smooth progress of scientific research work.
