KYN28A-12 Indoor Metal-Clad Withdrawable Switchgear
The KYN28A-12 The indoor metal-clad withdrawable switchgear (hereinafter referred to as the switchgear) is ingeniously engineered as a comprehensive power distribution apparatus. It is perfectly suited for 3.6 - 24 kV, three-phase AC 50Hz single-bus sectionalized systems, masterfully serving multiple pivotal functions across diverse power systems:
- Power Plant Applications: This switchgear is predominantly utilized for the power transmission of medium-to-small generators in power plants. It ensures the seamless and efficient transfer of electrical energy generated by these generators directly to the power grid or other interconnected systems, guaranteeing optimal performance and reliability.
- Substation and Distribution Applications: Within substations in the power distribution network, and across the power systems of factories, mines, and enterprises, this switchgear proves indispensable. It plays a crucial role in power reception and transmission, facilitating the smooth and reliable distribution of power to various end-users and facilities, ensuring consistent operational efficiency.
- Motor Starting: Additionally, it serves as an essential tool for starting large high-voltage motors. By adeptly managing the electrical current during motor startup, it safeguards the motor against potential damage from over-current or voltage surges, thus extending motor longevity and ensuring operational stability.
Functionally, the switchgear is meticulously designed to control, protect, and monitor the electrical system. It adheres strictly to international and national standards, specifically meeting the rigorous requirements of IEC298 and GB3906-91. This compliance guarantees its reliability, uncompromising safety, and compatibility across a vast range of applications, offering peace of mind to users.
In terms of component compatibility, beyond its compatibility with domestic VS1 vacuum circuit breakers, the switchgear is expertly designed to integrate seamlessly with renowned international and domestic components such as VD4, 3AH5 from Siemens, domestic ZN65A, and VB2 from GE. This extensive versatility in component selection empowers greater flexibility in system design and customization, catering to diverse user needs.
To fulfill the specific demands of wall-mounting installation and front-end maintenance, the switchgear is equipped with a specialized current transformer. This thoughtful design feature allows operators to conduct maintenance and inspections conveniently from the front of the cubicle, significantly enhancing the equipment's overall maintainability and accessibility. Hence, the KYN28 indoor metal-clad withdrawable switchgear stands out as a high-performance power distribution device, masterfully combining 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 |
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