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KYN28-36
KYN28-36 Indoor Metal – Clad Withdrawable Switchgear
The 36kV indoor metal armored withdrawable switchgear is a specialized equipment designed for niche ultra-high voltage scenarios and special industrial needs both domestically and internationally. It complies with GB/T 3906-2020 and IEC 62271-200 standards and is suitable for some overseas regions (such as some countries in South America), large domestic testing facilities, high-end chemical industries, and other niche scenarios that use 36kV voltage levels. The equipment adopts a customized ultra-high voltage armor structure, focusing on optimizing insulation adaptation, load compatibility, and special working condition tolerance. It has the characteristics of high customization, stable operation, and strong scene specificity, filling the niche voltage level gap between 35kV and 40.5kV.
Features
1. Exclusive adaptation for niche voltages, precise insulation optimization:
Customized insulation structures are designed for 36kV niche voltage levels, with phase to phase and relative to ground insulation distances optimized according to exclusive standards. High strength nanocomposite insulation materials are used to avoid insulation failures caused by voltage mismatch and meet the needs of niche scenarios.
2. Customization of the entire scene to meet special needs:
Cabinet layout, protection logic, monitoring functions, and operation modes can be customized according to the requirements of experimental facilities, high-end chemical industries, and other scenarios. It supports docking with special industrial control systems to meet personalized power distribution needs.
3. Enhanced extreme working conditions and outstanding tolerance:
The cabinet is made of thickened alloy steel plates and an integrated welded frame, with a 50% increase in mechanical strength. The internal components are made of high temperature resistant, corrosion-resistant, and wear-resistant materials, which can operate stably under extreme working conditions such as high temperature, high pressure, and strong corrosion.
4. Cross system compatibility and easy integration:
Supports cross level integration with 35kV and 40.5kV distribution systems, equipped with voltage conversion and protocol adaptation modules, enabling collaborative operation between niche voltage levels and mainstream systems without the need for large-scale system modifications.
The product has a rated current of 1250A-3150A, a short-circuit breaking capacity of 63kA-80kA, and a rated short-time withstand current of 63kA (3s); Support full vacuum circuit breaker configuration, default protection level IP54, can be upgraded to IP65, explosion-proof scenario can be customized Ex d IIC T4 explosion-proof type; The intelligent module supports IEC 61850 and MODBUS TCP protocols, integrates multi-dimensional monitoring functions, and provides targeted type test reports and customized certification files.
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Specification
| PROJECT | UNIT | DATA | |
| Rated voltage | kV | 36 | |
| Rated frequency | Hz | 50 | |
| The rated current of the main bus | A | 630/1250 | |
| Current rating | A | 630/1250 | |
| Ground Loop Rated Short-Time Withstand Current (2S) | kA | 31.5 | |
| Rated short-time withstand current of main circuit (4S) | kA | 25/31.5 | |
| Rated peak withstand current (peak) | kA | 63/80 | |
| Rated short-circuit interrupting current | kA | 25/31.5 | |
| Rated insulation level | 1 minute power frequency withstand voltage | kV | intermittent to the ground: 70 |
| Fracture: 80 | |||
| Withstand voltage for lightning impulses | kV | intermittent to the ground: 185 | |
| Fracture: 215 | |||
| Ingress protection | The shell is IP4X | ||
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FAQs
Why do 36kV products focus on niche scenarios?
As 36kV is not the mainstream voltage level at home and abroad, it is only used in some South American countries and a few domestic testing facilities and high-end chemical industries. The product specifically solves the voltage adaptation problem in such scenarios and fills the market gap.
Can it be connected to the existing 35kV system across different levels?
Sure. Equipped with voltage conversion and protocol adaptation modules, seamless integration between 36kV and 35kV systems can be achieved, supporting data sharing and collaborative protection without the need to modify existing system core components.
How long is the customization cycle usually?
The standard customization cycle is 45-60 days, including design, production, debugging, and preparation of certification documents; The customization cycle for complex special scenarios (such as explosion-proof and testing facilities) can be extended to 90 days, and the manufacturer provides full design docking services.
How to ensure heat dissipation under high temperature conditions?
Adopting a dual cooling system of forced air cooling and water cooling, equipped with an intelligent temperature control module, the system automatically starts cooling when the temperature exceeds the set value. The core components can withstand temperatures up to 85 ℃ and can operate at full load in a high temperature environment of 60 ℃.
Related Applications
Urban distribution network backbone: As the core equipment of the urban 35kV distribution network, it is used for substation outgoing lines, regional connections, and load distribution. The power grid has strong adaptability, which can ensure stable electricity consumption for residents, businesses, and public facilities, and improve the reliability and operation efficiency of the distribution network power supply.
Supporting facilities for super large substations: used for medium voltage distribution in super large substations, with composite insulation and high breaking capacity to cope with ultra-high voltage and high current working conditions in substations. The intelligent control function facilitates collaborative control with the power grid dispatch center, ensuring safe and stable operation of the power grid.
Extra large steel joint venture: provides power supply for super large equipment such as blast furnaces, converters, and continuous casting machines in steel enterprises. Its high parameter performance can withstand high currents and strong impact loads in steel production, and its low loss design reduces energy consumption costs and ensures continuous production.
Large scale water conservancy hubs: used for power distribution of generator sets, hoists, irrigation equipment, etc. in water conservancy hubs, with strengthened insulation and weather resistance design to cope with humid and multi electromagnetic interference environments in water conservancy hubs. Standardized adaptation facilitates later operation and maintenance, ensuring stable operation of water conservancy projects.
