Product Description
Prefabricated Substation, commonly known as European-style substation, integrates high-voltage electrical equipment, transformers, and low-voltage electrical devices into a compact and complete distribution unit. It is used in urban high-rise buildings, urban and rural buildings, residential communities, high-tech development zones, small and medium-sized factories, mines, oil fields, and temporary construction sites to receive and distribute electrical energy within the distribution system.
Prefabricated Substation boasts strong integrative capabilities, small size, compact structure, safe and reliable operation, convenient maintenance, and mobility. Compared to conventional civil substations, a prefabricated substation with the same capacity typically occupies only 1/10 to 1/5 of the land area, significantly reducing design workload, construction volume, and construction costs. Within the distribution series, it can be used in ring network distribution systems, as well as dual power supply or radial terminal distribution systems, making it a new type of complete equipment for current urban and rural substation construction and renovation.
Specification
| Specifications |
Unit |
High Voltage Apparatus |
Transformer |
Low Voltage Apparatus |
|
Rated Voltage |
kV |
7.2, 12 |
6/0.4, 10/0.4 |
50.4 |
|
Rated Capacity |
kVA |
Shell Type: 200~1250 |
||
|
Rated Current |
A |
200～630 |
100～3000 |
|
|
Rated Breaking Current |
A |
Load Switch: 400~630A |
15～63 |
|
|
Combined Apparatus: Depends on Fuse |
||||
|
Rated Short-time Withstand Current |
kA |
20 (2S), 12.5 (4S) |
200～400kVA, 400kVA |
15 (1S), 30 (1S) |
|
Rated Peak Withstand Current |
kA |
31.5, 50 |
200～400kVA, 400kVA |
30, 63 |
|
Rated Making Current |
kA |
Phase-to-Ground and Phase-to-Phase: 42, 30 |
||
|
Power Frequency Withstand Voltage |
kV |
Isolating Disconnect: 48, 34 |
Oil-Type: 35/5min |
≤300V: 2kV |
|
Dry-Type: 28/5min |
300V, 660V: 2.5kV |
|||
|
Lightning Impulse withstand voltage |
kV |
Phase-to-Ground and Phase-to-Phase: 85, 75 |
75 |
|
|
Isolating Disconnect: 85, 75 |
||||
|
Noise Level |
dB |
Oil-Type: <55 |
||
|
Dry-Type: <65 |
||||
|
Protection Class |
IP33 |
IP23 |
IP33 |
Key Features
Compact Structure
All equipment is integrated into one enclosure, Prefabricated Substation occupying a small footprint, suitable for limited spaces.
Quick Installation
Prefabricated and tested in the factory, requiring simple assembly and connection on-site, significantly reducing construction time.
High Reliability
Rigorous quality testing in the factory reduces on-site installation and debugging, minimizing failures due to construction quality issues.
High Mobility
Prefabricated Substation Can be relocated as needed, suitable for temporary power needs or short construction projects.
Strong Environmental Adaptability
Enclosures typically have a high protection rating, capable of withstanding harsh environmental conditions such as high temperatures, cold, humidity, and dust.
Easy Maintenance
Prefabricated Substation Integrated design facilitates easier maintenance and repairs, with a rational equipment layout for daily operations.
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