
A customer from Wuhan, Hubei, ordered a set of DEMIKS Power digital withstand voltage partial discharge test
Searching for the leading DEMIKS China manufacturers and suppliers of miniaturized intelligent prefabricated substations with high precision? Look no further, as DEMIKS is one of the top manufacturers and suppliers. We ensure that your needs are adequately met with our efficient, cost-effective substations, which also offer ease of installation. Enjoy the cost-benefit with seamless installation by trusting DEMIKS on your next project.
Miniaturization: The compact design reduces the area of the switch station by more than 60 percent.
Modular Design: Space-saving, streamlined architecture and straightforward advancement processes.
Safety & Reliability: Shielded from external works, completely sealed, insulated, and easy to maintain.
Automation: Control through remote, upload data, and streamlined work processes.
Customizable graphics: Design of European origin which harmonizes with the environment.
Long-lasting construction: Outer shell made of stainless or carbon steel which resists corrosion.
| Project | Unit | Parameter | |||
|---|---|---|---|---|---|
| High voltage side rated voltage | kV | 10 20 | |||
| High voltage side highest voltage | 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 | 25 | ||||
| Rated Insulation Level | |||||
| Category | Parameter | Unit | 10KV | 20KV | |
| High pressure side | Lightning impulse withstand | kV | 75/85 | 125/45 | |
| 1min Power frequency tolerance | kV | 42/48 | 65/79 | ||
| Low pressure side | Rated voltage | V | 60≤UI≤300 | 300≤UI≤660 | |
| Lightning impulse withstand voltage | kV | 2500 | 6000 | ||
| 1min Power frequency withstand voltage | kV | 2000 | 2500 | ||
| Transformer | |||||
| Category | Parameter | Unit | 6kV | 10kV | 20kV |
| High voltage side highest voltage | kV | 6 | 10 | 20 | |
| Low voltage side rated voltage | V | 60 | 75 | 125 | |
| 1min Power frequency withstand voltage | kV | 25/20 | 35/28 | 55/50 | |
| Enclosure Protection Grade | |||||
| Parameter | Unit | Grade | |||
| Enclosure protection | IP | 4X |
Miniature substations are redefining energy infrastructure with their small form factor, economical pricing, and ease of deployment. These systems bolster the increasing electrical demand modern industries and communities require, all while ensuring green and optimal power distribution.

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
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