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SF6 GAS-INSULATED SUBSTATION
SF6 gas-insulated substation for systems with voltage levels ranging from 115 kV to 400 kV, with a Main Bus + Auxiliary Bus arrangement with tie and/or transfer switches, consisting of a total of seven bays: two bays for transformer units, two bays for lines, one bay for a capacitor bank, one tie and/or transfer bus bay, and one bus equipment bay. Any variety of arrangements can also be covered. Brand Xi’an XD.
| Description | Unit | Prototype Value | Prototype Value | Prototype Value | |||||
|---|---|---|---|---|---|---|---|---|---|
| Rated voltage | Kv | 145 | 230 | 400 | |||||
| Rated frequency | Hz | 60 | 60 | 60 | |||||
| Rated current | A | 3150 | 4000 | 4000 | |||||
| Short-time current | kA | 40 | 63 | 50 | |||||
| Rated peak current | kA | 100 | 158 | 125 | |||||
| Withstand voltage at industrial frequency | kV | 275 | 460 | 650 | |||||
| Lightning impulse withstand voltage | kV | 650 | 1050 | 1425 |
