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| Project | Unit | Parameter | ||
|---|---|---|---|---|
| High Voltage Side Rated Voltage | kV | 10, 20 | ||
| High Voltage Side Highest Voltage | kV | 12, 24 | ||
| Low Voltage Side Rated Voltage | V | 400 | ||
| Transformer Capacity | KVA | 30-630 | ||
| Rated Frequency | Hz | 50, 60 | ||
| Rated Peak Withstand Current | kA | 50 | ||
| 1s Short-Time Withstand Current | kA | 25 | ||
| Rated Insulation Level | ||||
| Parameter | Unit | 10 kV | 20 kV | |
| Lightning Impulse Withstand Voltage | kV | 75/85 | 125/45 | |
| 1-Min Power Frequency Tolerance | kV | 42/48 | 65/79 | |
| Low Pressure Side | ||||
| Parameter | Unit | 60 ≤ UI ≤ 300 | 300 ≤ UI ≤ 660 | 660 ≤ UI ≤ 800 |
| Rated Voltage | V | 60 ≤ UI ≤ 300 | 300 ≤ UI ≤ 660 | 660 ≤ UI ≤ 800 |
| Lightning Impulse Withstand Voltage | V | 2500 | 6000 | 8000 |
| 1-Min Power Frequency Withstand Voltage | V | 2000 | 2500 | 3000 |
| Transformer Specifications | ||||
| Parameter | Unit | 6 kV | 10 kV | 20 kV |
| High Voltage Side Highest Voltage | kV | 6 | 10 | 20 |
| Low Voltage Side Rated Voltage | kV | 60 | 75 | 125 |
| 1-Min Power Frequency Withstand Voltage | kV | 25/20 | 35/28 | 55/50 |
| Enclosure Protection Grade | IP | 4X |
Rising global requirements for clean energy as well as urban expansion are straining current energy infrastructure, with underground substations emerging as one of the most promising solutions.
The partial discharge shielding room is a special laboratory or closed space, which is mainly used
Analysis of Two AC Series Resonant Withstand Voltage Technologies: Applications of ACRL and ACRF in High-Voltage
Strategic Supply Cooperation Launched | DEMIKS Power, Trusted HV Power Test Equipment Supplier, Delivers Reliable Test
