Opis
Opis produktu
The Combined Substation is an integrated power distribution solution that consolidates various components into a single unit. It efficiently manages electrical energy acceptance, distribution, and control within a compact design, offering versatility and ease of installation.
Technical parameters:
| Nie. | Pozycja | Jednostka | Parametry |
| 1 | Napięcie znamionowe | kV | 12 |
| 2 | Częstotliwość znamionowa | Hz | 50 |
| 3 | Rated current of load switch | A | 630 |
| 4 | Main circuit thermal current | kA | 20 |
| 5 | Main circuit dynamic current | kA | 50 |
| 6 | Rated making current of main circuit | kA | 50 |
| 7 | Rated active load breaking current | 630 | |
| 8 | Rated ring closed breaking current | A | 630 |
| 9 | 5% of rated active load breaking current | A | 31.5 |
| 10 | Rated breaking current of cable charging | A | 10 |
| 11 | Rated no-load breaking current of transformer | A | 1600KVAq |
| 12 | Rated breaking current of fuse | kA | 31.5 |
| 13 | Rated transfer current | A | 1500 |
| 14 | Mechanical duration | times | 10000 |
| 15 | 1min power frequency withstand voltage to earth/between phases/disconnecting fracture | kV | 42/48 |
| 16 | Lightning impulse withstand voltage to earth/between phases/disconnecting fracture | kV | 75/85 |
| 17 | Rated pressure of SF6 (20ºCsurface pressure) | Mpa | 0.045 |
| 18 | Annual leakage rate of SF6 | ≤0.2% |
WORKING CONDITION
SZCZEGÓŁY PRODUKCJI
Use environment
1. Altitude: ≤1000 meters.
2. Temperature: High temperature: +40ºC; Low temperature: -45ºC; High monthly average temperature: +30ºC; High annual average temperature: +20ºC.
3. Environment: No explosive, corrosive liquids, gases, or dust. Installation sites should be free from severe vibrations and allow complete submersion in water for a certain period.
4. Ground acceleration induced by earthquakes (Ag): Horizontal direction <3m/s; Vertical direction <1.5m/s.
5. Power supply voltage waveform: Approximately sine wave.
6. Three-phase power supply symmetry: For three-phase underground transformers, the three-phase power supply voltage should be approximately symmetrical.
Opinie
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