KYN28A-12 Indoor Metal-Clad Withdrawable Switchgear: A Remarkable Power Distribution Solution
The KYN28A-12 indoor metal-clad withdrawable switchgear, hereafter known simply as 'the switchgear,' is a cutting-edge power distribution apparatus meticulously engineered for 3.6 - 24 kV, three-phase AC 50Hz single-bus sectionalized systems. Its design encompasses a multitude of essential functions, making it indispensable within diverse power systems:
- Power Plant Applications: Primarily, it is employed for the seamless power transmission from medium to small generators in power plants. This ensures the effective delivery of electrical energy generated by these generators to the broader power grid or to interconnected systems, maximizing efficiency.
- Substation and Distribution Applications: Within substations in the power distribution network, as well as in the power systems of factories, mines, and enterprises, the switchgear serves a pivotal role in both power receiving and transmission. It facilitates the effortless distribution of power to various end-users and facilities, ensuring a consistent energy supply.
- Motor Starting: Additionally, it is utilized for the initiation of large high-voltage motors. By modulating the electrical current during the startup phase, it protects motors from the detrimental effects of over-current or voltage spikes, thus ensuring longevity and reliability.
Functionally, the switchgear is engineered to control, protect, and vigilantly monitor the electrical system. It strictly adheres to both international and national standards, specifically fulfilling the rigorous demands of IEC298 and GB3906 - 91. This compliance guarantees its reliability, safety, and compatibility across an extensive range of applications.
With regard to component compatibility, the switchgear is not only compatible with domestic VS1 vacuum circuit breakers but can also be seamlessly integrated with renowned international and domestic components, such as VD4, 3AH5 from Siemens, domestic ZN65A, and VB2 from GE. This component versatility permits greater flexibility in system design and customization, tailored to specific needs.
Designed for wall-mounting installation and front-end maintenance, the switchgear is outfitted with a specialized current transformer. This feature facilitates convenient front-of-cubicle maintenance and inspections, markedly enhancing the maintainability and accessibility of the equipment. In sum, the KYN28 indoor metal-clad withdrawable switchgear is a high-performance power distribution device that seamlessly combines reliability, compatibility, and user-friendly features.
| Item |
Unit |
Parameters |
|
|
KV |
12 |
| Rated Frequency |
Hz |
50/60 |
| Rated Current |
A |
630, 1250, 1600, 2000, 2500, 3150 |
| Branch busbar rated current |
A |
630, 1250, 1600, 2000, 2500, 3150 |
| Main busbar rated current |
A |
630, 1250, 1600, 2000, 2500, 3150 |
| Lightning Impulse Withstand Voltage |
KV |
75, 95/125 |
| Rated Short-time Withstand Current (4s) |
KA |
16, 20, 25, 31.5, 40, 50 |
| Rated Short Circuit Breaking Current (Peak) |
KA |
40, 50, 63, 80, 100 |
|
|
|
IP4X for housing: Ensuring enhanced protection and durability |
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