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KYN28-24
KYN28-24 Indoor Metal – Clad Withdrawable Switchgear
The 24kV indoor metal armored withdrawable switchgear is a top equipment in the field of global ultra-high voltage distribution, which complies with GB/T 3906-2020, IEC 62271-200, and ANSI C37.20.7 standards. It is suitable for extreme scenarios such as global mega new energy bases, cross-border power grid core nodes, and ultra large industrial complexes. The equipment adopts a breakthrough ultra-high voltage insulation armor structure, integrating globally leading intelligent monitoring, collaborative regulation, and ultimate protection technology. It has the characteristics of top-notch parameter performance, ultimate safety boundary, and convenient operation and maintenance throughout the entire life cycle, which can achieve efficient, safe, and intelligent transmission and control of ultra-high voltage electrical energy.
Features
1. Breakthrough in ultra-high voltage insulation, leading the world in performance:
adopting nano composite insulation+vacuum insulation technology, the insulation level reaches 60kV level, and the insulation distance between phases and relative to ground is reduced by 30% compared to conventional 22kV products. At the same time, it has excellent pollution and arc resistance performance, eliminating ultra-high voltage insulation faults.
2. Ultimate parameter redundancy, suitable for top global loads:
rated current can reach 3000A-4000A, short-circuit breaking capacity 100kA-125kA, short-term withstand current 125kA (3s), parameter performance reaches the top level of global products of the same level, and can adapt to global super large loads and ultra long distance transmission scenarios.
3. Global collaborative regulation and cross-border scenario adaptation:
Supports seamless integration with global power grids, new energy systems, and industrial control systems of different standards, with multi frequency and multi voltage level adaptive regulation functions, enabling collaborative regulation of cross-border power grids and energy types, and adapting to top global projects.
4. Full life cycle self-healing, ultimate unmanned operation:
Integrated equipment health management system, with fault self-healing, automatic inspection, remote operation and maintenance functions, can achieve unmanned control of the entire life cycle of the equipment, automatically triggering self-healing actions in case of faults, and minimizing unplanned downtime.
5. Customized high-end services, global guarantee:
providing customized design, overseas on-site debugging, lifelong technical support, and operation and maintenance training services, equipped with a top global technical team, can customize exclusive solutions according to project needs, and adapt to the personalized needs of the world’s ultimate scenarios.
The product supports full vacuum circuit breaker or SF6 insulated circuit breaker configuration, comes standard with permanent magnet operating mechanism, and has a mechanical life of up to 200000 times; The default protection level is IP65, and special protection versions such as explosion-proof and anti nuclear radiation can be customized; The intelligent module supports global mainstream communication protocols such as IEC 61850-9-2, DNP3.0, and IEC 61970, enabling high-speed data exchange across systems; Provide global full system certifications such as UL, CE, ANSI, and national standards, as well as national level type test reports, to meet the admission requirements of top-level projects worldwide.
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Specification
| PROJECT | UNIT | DATA | |
| Rated voltage | kV | 24 | |
| 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: 50 |
| Fracture: 60 | |||
| Withstand voltage for lightning impulses | kV | intermittent to the ground: 125 | |
| Fracture: 145 | |||
| Ingress protection | The shell is IP4X | ||
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FAQs
What are the core differences between 24kV switchgear and 22kV products?
The 24kV model is the world’s top ultra-high voltage equipment, focusing on ultimate parameters, global coordination, and fault self-healing, suitable for cross-border power grids and top new energy bases worldwide; The 22kV model focuses on domestic ultra-high voltage matching and heavy industry, positioning itself in the high-end domestic market. The two have different technical levels and adaptation ranges.
What are the advantages of nanocomposite insulation technology?
Nanocomposite insulation materials have a 50% increase in insulation strength compared to traditional materials, excellent pollution resistance and arc resistance, and are smaller in size and lighter in weight. They can significantly reduce cabinet size and have a service life of over 30 years, without frequent replacement, reducing operation and maintenance costs.
What specific operations can the fault self-healing function achieve?
The fault self-healing function can automatically detect the type and location of the fault, and minor faults (such as poor contact, local accumulation of dirt) will automatically trigger cleaning and reset actions; Serious faults automatically isolate the fault area, switch to backup circuit power supply, and push fault alarms and disposal plans to achieve rapid fault recovery.
Does the product support cross energy type collaborative regulation?
Support. It can simultaneously connect multiple energy systems such as wind power, photovoltaic, energy storage, and thermal power, optimize energy allocation through intelligent algorithms, achieve coordinated operation of multiple energy sources, and adapt to the distribution needs of large-scale comprehensive energy bases worldwide.
Does the energy-saving certification of the product comply with the latest national standards?
Compliant. The product has passed the national energy-saving product certification and fully meets the requirements of GB 20052-2020 “Energy Efficiency Limits and Grades for Power Transformers and Box type Substations”. It can be included in the national energy-saving project procurement list and enjoy relevant policy support.
Related Applications
Global mega scale new energy base: used for the core distribution of integrated new energy bases (wind power+photovoltaic+energy storage) with a capacity of over 1 gigawatt worldwide. The ultimate parameters can be adapted to ultra large collection systems, and the global collaborative control function realizes the coordinated operation of multiple energy sources, ensuring efficient grid connection and stable power supply of the base.
Core nodes of cross-border power grids: As the core distribution equipment of cross-border power grids, it adapts to the standard differences of different countries’ power grids, has multi frequency and multi voltage adaptive regulation functions, can achieve smooth connection and coordinated operation of cross-border power grids, and enhance the level of global power grid interconnection.
Ultra large industrial complexes: adapted to the core power distribution of global ultra large industrial complexes (such as multinational chemical and metallurgical complexes), the ultimate parameter redundancy can meet the ultra large load demand of the complexes, and the fault self-healing function ensures 24-hour uninterrupted production of the complexes, reducing downtime losses.
International top scientific research facilities: dedicated power distribution for international top scientific research facilities (such as particle accelerators, nuclear fusion test devices), ultra-high voltage insulation and low interference design can meet the precision power supply needs of scientific research facilities. Full dimensional monitoring ensures stable operation of equipment under extreme working conditions, and assists in scientific research work.
