| Brand | POWERTECH |
| Model NO. | Electricity Generation Electric Power Prefabricated Compact Box Substation 30-2000kVA |
| Rated voltage | 12V |
| Series | ZGS-12H |
A compact Substation is a core power facility integrating equipment for circuit switching, voltage transformation and regulation. As a key hub in the power system, the Compact Prefabricated Substation undertakes power transmission, transformation and distribution tasks, ensuring stable, safe and efficient power supply. American/European-style Compact Prefabricated Substation (30-2000kVA) for power generation is developing towards automation and intelligence. Its integrated automation system optimizes secondary equipment functions, realizing unified monitoring and control of the compact Substation, reducing costs and improving power supply quality.
Integrated Design: The Compact Prefabricated Substation integrates high-voltage switchgear, transformer and low-voltage switchgear, with small footprint, low investment and easy mobility.
Safe & Convenient: The compact Substation has reasonable layout, anti-error interlock, safe operation and simple maintenance.
Diversified Options: Multiple types and layouts of Compact Prefabricated Substation meet different project needs.
Intelligent Control: Equipped with automatic thermostat, the compact Substation ensures efficient full-load operation.
Advanced Automation: Configurable FTU and "four remote" functions, facilitating intelligent upgrading of the Compact Prefabricated Substation.
| Part | Items | Unit | Data |
|---|---|---|---|
| High Voltage Part | Rated voltage | kV | 12 |
| Rated frequency | Hz | 50 | |
| Rated current of main busbar | A | 630 | |
| 1min power frequency withstand voltage (to earth and between phases/disconnecting fracture) | kV | 42/48 | |
| Lightning impulse withstand voltage (to earth and between phases/disconnecting fracture) | kV | 75/85 | |
| Rated short time withstand current | kA/s | 25/2 | |
| Rated peak withstand current | kA | 63 | |
| Rated short time making current | kA | 50 | |
| Rated transfer current | A | 1500 | |
| Breaking current of fuse | kA | 31.5 ~ 40 | |
| Low Voltage Part | Rated voltage | V | 400 |
| Rated current of main circuit | A | 100 ~ 4000 | |
| Rated limiting short circuit breaking ability | kA | 80 | |
| Rated operating short circuit breaking ability | kA | 50(65) | |
| Rated short time withstand current | kA/1s | 50(65) | |
| Branch current, compensating capacity | - | According to requirements of users | |
| Transformer | Rated capacity | kVA | 30 ~ 2000 |
| Impedance voltage | % | 4 ~ 4.5 | |
| Tapping range | % | ±2×2.5, ±5 | |
| Connection symbol | - | Yyn0; Dyn11 | |
| Enclosure | Protection level of enclosure | - | IP43 |
| Sound level | dB | ≤50 |
Application Scenarios
New energy projects (photovoltaic and wind power stations)
Urban and rural grid reconstruction and upgrading
Industrial parks, mining areas and oil fields
Residential communities, commercial plazas and high-rise buildings
Municipal engineering and highway transportation facilities
Temporary construction sites and scenic spot supporting power supply
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