Description
Overview
A ring network cabinet, also known as Type HXGN box type fixed metal closed switchgear, is a complete set of AC Medium, high voltage electrical equipment. It operates within a rated voltage range of 12kV to 35kV and a frequency of 50Hz. Primarily designed for use in three-phase AC ring networks, terminal distribution networks, and industrial electrical systems, it facilitates the receiving and distribution of electric energy. Additionally, it is suitable for installation within box-type substations, offering versatile applications within power distribution systems.
Types of meaning
Product Parameters
| Sr. | Content | Unit | Value | |
| 1 | Rated Voltage | kV | 12 | |
| 2 | Rated Frequency | Hz | 50 | |
| 3 | Rated Current | A | 630 | |
| 4 | Max. rated Current of Fuse | A | 200 | |
| 5 | Rated Short-circuit Breaking Current | kA | 31.5(Sets of Fuses) | |
| 6 | Rated Peak Withstand Current | kA | 50 | |
| 7 | Rated Short-time Withstand Current(4s) | kA | 20 | |
| 8 | Rated Short-circuit Current | kA | 50 | |
| 9 | Earthed Circuit | Rated Short timeWithstandCurrent(2s) | kA | 20 |
| Rated Peak Withstand Current | kA | 50 | ||
| 10 | Frequency Withstand Voltage in lmin | Phase, Earthed | kV | 42 |
| Isolated Fracture | kV | 48 | ||
| 11 | Lightning Impulse Withstand Voltage(Peak) | Phase, Earthed | kV | 75 |
| Isolated Fracture | kV | 85 | ||
| 12 | 5% Power Load Switch-off Current | A | 31.5 | |
| 13 | Rated Distribution-circuit Sealed Breaking Current | A | 630 | |
| 14 | Rated Cable-charging Breaking Current | A | 10 | |
| 15 | Rated Breaking Transfer Current | Load Switch | A | 1300 |
| Vacuum Load Switch | A | 3150 | ||
| 16 | Mechanical Life | Vacuum Load Switch | Times | 10000 |
| Earth Switch | Times | 2000 | ||
| 17 | Protect Degree | IP | 1P3X | |
| 18 | Method of Operating | – | Manual/Motor | |
Product Size Description
Working Conditons
1. Working environment temperature: Upper limit +40ºC, lower limit -25ºC.
2. Altitude: ≤ 2000 meters.
3. Air relative humidity: Daily average ≤ 95%, monthly average ≤ 90%.
4. Environment: Air free from corrosive, combustible gases, or obvious pollutants such as water vapor.
5. Ground: No frequent violent vibrations.
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