1.simple, convenient, fully insulated,sealed;
2.corrosion resistant, maintenance-free, safe;
3. small size, light weight.
10 kV Switching Distribution Station
Specification
This Switch cabinet is used to join and splice cables of main and distributing cables of the cable network, and can be installed overhead, on the floor, indoors or outdoors.
Technical Parameters :
1. Climatic Requirement: 55/70/02
Ambient temperature: -55 - +55
Relative Humidity: 95% at 40
Atmosphere Pressure: 70 - 106Kpa
2 Insulation resistance: 5×104MΩ when tested in standard atmosphere pressure;
3. Contact resistance: < 5×10-3Ω when tested in standard atmosphere pressure;
4. Voltage endurance: 50Hz(AC) 500V when tested in normal atmosphere and showing no breakdown and flash-over in 1 min.
5. Good rust and water resistance
Technical parameter |
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Item | Unit | Parameter | |
High-voltage unit | Rated voltage | kV | 12 |
Rated frequency | Hz | 50 | |
The rated current of main bus | A | 630 | |
1min 1min power frequency withstanding voltage phase to ground and /break gap | kV | 42/48 | |
Lightning impulse withstand voltage Phase to ground and phase to phase/break gap | kV | 75/85 | |
2s Rated short time withstand current | kA/s | 25 | |
Rated peak withstand current | kA | 63 | |
Rated making current against short circuit | kA | 50 | |
Rated transfer current | A | 1500 | |
Blowing and breaking current | kA | 31.5 | |
Low-voltage unit |
Rated voltage | V | 400 |
Rated current of main loop | A |
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Rated ultimate short-circuit breaking capacity | kA | 80 | |
Rated service short-circuit breaking capacity | kA | 50(65) | |
Rated short time withstand current2s | kA/s | 50(65) | |
Branch current, compensation capacity |
As per the requirement of customer | ||
Transformer unit | Rated capacity | kVA | 100800 |
Impedance voltage | % | 4.04.5 | |
Tap changing range | % | ±2×2.5,±5 | |
| connection group | Y,yn0 D,yn11 | |
Box | Case protection grade |
| IP23 |
Sound intensity level | Db | ≤50 | |
