KYN28A-12 Indoor Metal-Clad Withdrawable Switchgear
The KYN28A-12 indoor metal-clad withdrawable switchgear (referred to as the switchgear) is an advanced power distribution apparatus meticulously crafted for 3.6 - 24 kV, three-phase AC 50Hz single-bus sectionalized systems. This versatile switchgear is indispensable in various power systems, offering multiple crucial functionalities:
- Power Plant Applications: It excels in facilitating the power transmission of medium-to-small generators within power plants. This ensures a seamless and efficient transfer of electrical energy generated by these generators to the power grid or interconnected systems, maintaining a steady flow of power.
- Substation and Distribution Applications: Essential within substations of power distribution networks and in the power systems of factories, mines, and enterprises, this switchgear plays a pivotal role in power reception and transmission. It ensures the smooth and efficient distribution of electricity to various end-users and facilities, optimizing performance and reliability.
- Motor Starting: The switchgear is also instrumental in the starting of large high-voltage motors. It meticulously controls the electrical current during motor startup, providing critical protection against potential damage from over-current or voltage surges, thus safeguarding operational integrity.
Functionally sophisticated, the switchgear is adept at controlling, protecting, and monitoring electrical systems. It strictly adheres to international and national standards, notably meeting IEC298 and GB3906-91 requirements. This compliance guarantees its reliability, safety, and cross-compatibility across a myriad of applications.
Regarding component compatibility, beyond accommodating domestic VS1 vacuum circuit breakers, the switchgear is compatible with prestigious international and domestic components such as VD4, Siemens' 3AH5, domestic ZN65A, and GE's VB2. This component versatility ensures enhanced flexibility in system design and customization.
For specialized wall-mounting installations and front-end maintenance, the switchgear is equipped with a specialized current transformer. This design innovation allows for effortless maintenance and inspections from the front of the cubicle, significantly enhancing the equipment's maintainability and accessibility. The KYN28 indoor metal-clad withdrawable switchgear stands as a high-performance power distribution device, melding reliability, compatibility, and user-friendly features seamlessly.
| 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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