KYN28A-12 Indoor Metal-Clad Withdrawable Switchgear
The KYN28A-12 indoor metal-clad withdrawable switchgear (hereinafter referred to as the switchgear) is an exceptional and versatile power distribution apparatus designed with cutting-edge technology for 3.6 - 24 kV, three-phase AC 50Hz single-bus sectionalized systems. It performs multiple indispensable functions in various power systems, ensuring efficiency and reliability:
- Power Plant Applications: This remarkable switchgear is primarily utilized for the power transmission of medium-to-small generators in power plants. It guarantees the efficient and seamless transfer of electrical energy generated by these generators to the power grid or other connected systems, ensuring optimal performance.
- Substation and Distribution Applications: In substations within the power distribution network and in the power systems of factories, mines, and enterprises, the switchgear plays an integral role in power receiving and transmission. It facilitates the smooth and uninterrupted distribution of power to different end-users and facilities, enhancing operational efficiency.
- Motor Starting: It is also employed for the start-up of large high-voltage motors. By expertly controlling the electrical current during motor startup, it safeguards the motor from potential damage due to over-current or voltage surges, ensuring longevity and reliability.
Functionally, the switchgear is meticulously designed to control, protect, and monitor electrical systems. It adheres to stringent international and national standards, specifically meeting the requirements of IEC298 and GB3906-91. This compliance ensures its unparalleled reliability, safety, and compatibility in a wide array of applications, making it an indispensable asset.
In terms of component compatibility, this switchgear is a marvel of engineering. It is not only compatible with domestic VS1 vacuum circuit breakers but can also be seamlessly integrated with premier international and domestic components such as VD4 , 3AH5 from Siemens, domestic ZN65A, and VB2 from GE. This versatility in component selection offers unparalleled flexibility in system design and customization.
To meet the specific demands of wall-mounting installation and front-end maintenance, the switchgear is equipped with a specialized current transformer. This design innovation enables operators to perform maintenance and inspections effortlessly from the front of the cubicle, significantly enhancing the overall maintainability and accessibility of the equipment. In summary, the KYN28 indoor metal-clad withdrawable switchgear is a high-performance power distribution device that seamlessly combines reliability, compatibility, and user-friendly features, setting new benchmarks in the industry.
| 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 |
| Lightening 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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