DEMIKS is one of the top Chinese companies in the production of sophisticated underground box-type substations. Our products and services are dependable and comply with all essential technological and safety requirements. Get in Touch with us for more information!
| 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.
A customer from Wuhan, Hubei, ordered a set of DEMIKS Power digital withstand voltage partial discharge test
CONTENTS What is an IEC standard power frequency voltage withstanding test? What is the difference between an
As a key equipment in the AC transmission and transformation system of the power industry, the
