KYN28A-12 Indoor Metal-Clad Withdrawable Switchgear
The KYN28A-12 indoor metal-clad withdrawable switchgear, henceforth known as the switchgear, is a sophisticated and comprehensive power distribution apparatus meticulously engineered for 3.6 - 24 kV, three-phase AC 50Hz single-bus sectionalized systems. It plays a pivotal role in various power systems by offering multiple indispensable functions:
- Power Plant Applications: Primarily utilized for the transmission of power from medium-to-small generators in power plants, this switchgear ensures the seamless and efficient transfer of electrical energy generated by these generators to the power grid or other connected systems.
- Substation and Distribution Applications: As a cornerstone in substations within power distribution networks, as well as in power systems of factories, mines, and enterprises, the switchgear facilitates critical functions of power receiving and transmission. It guarantees smooth and efficient distribution of power to various end-users and facilities.
- Motor Starting: Employed for the starting of large high-voltage motors, the switchgear meticulously controls electrical currents during motor startup, thereby shielding motors from potential damage due to over-current or voltage surges.
Functionally adept, the switchgear is engineered to control, protect, and monitor electrical systems, adhering to international and national standards, including IEC298 and GB3906-91. This compliance solidifies its reputation for reliability, safety, and versatility across a wide array of applications.
In terms of component compatibility, the switchgear not only integrates seamlessly with domestic VS1 vacuum circuit breakers, but also with renowned international and domestic components such as VD4, Siemens' 3AH5, and GE's VB2, alongside domestic ZN65A. This diverse component compatibility allows for superior flexibility in system design and customization.
To address the specific requirements of wall-mounting installation and front-end maintenance, the switchgear is equipped with a specialized current transformer. This unique design feature empowers operators to perform maintenance and inspections conveniently from the front of the cubicle, significantly enhancing the equipment's maintainability and accessibility. Overall, the KYN28 indoor metal-clad withdrawable switchgear stands as a high-performance power distribution device that masterfully 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 |
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