| Brand | POWERTECH |
| Model NO. | 12kV American Type Prefabricated Box Substation Compact Substation |
| Rated voltage | 12kV |
| Series | ZGS11 |
The ZGS type combined transformer, also known as an American-style compact Substation, is an integrated power transformation and distribution system. This Compact Prefabricated Substation combines the transformer body, switchgears, fuses, tap changers, low-voltage distribution devices, and related auxiliary equipment into a single, compact unit. With a rated capacity of 63–1600 kVA, this compact Substation is designed for AC 50Hz/6–10kV power grids, fully meeting user requirements for energy metering, reactive power compensation, and low-voltage distribution. The Compact Prefabricated Substation is suitable for both outdoor and indoor applications, making it a versatile choice for various power distribution needs.
Compact Structure, Space-Saving:The compact Substation features a small size and minimal footprint, enabling easy installation even in space-constrained environments. This Compact Prefabricated Substation maximizes space efficiency without compromising performance.
High Efficiency and Superior Performance:The compact Substation adopts a low loss, low noise, and low temperature rise design, with strong overload capacity and excellent short-circuit resistance. This Compact Prefabricated Substation ensures stable and efficient operation under varying load conditions.
Fully Enclosed Insulation, Safe and Reliable:The compact Substation has a fully enclosed insulated structure, ensuring safe and reliable operation even in harsh environmental conditions. This design makes the Compact Prefabricated Substation highly resistant to dust, moisture, and corrosion.
Flexible Wiring, Enhanced Power Supply Reliability:The compact Substation supports both radial and ring network wiring modes, allowing easy switching between power sources to improve supply reliability. The Compact Prefabricated Substation offers flexible configuration to meet different grid connection requirements.
Easy Operation and Cost-Effective:The compact Substation features simple maintenance, a short production cycle, and low overall project costs, making it ideal for rapid deployment. This Compact Prefabricated Substation provides an economical solution for temporary and permanent power distribution needs.
| Item | Unit | Technical parameter |
|---|---|---|
| Rated voltage | kV | 12/0.4 (HV/LV) |
| Max. operating voltage | kV | 12 (HV side) |
| Rated frequency | Hz | 50 |
| Rated capacity | kVA | 50-1600 |
| 1 min power frequency withstand voltage | kV | 35 |
| Lightning impulse voltage | kV | 75 |
| Cooling code | - | Oil-immersed self-cooled |
| High voltage backup fuse breaking current | kA | 50 |
| Plug-in fuse breaking current | kA | 2.5 |
| Ambient temperature | °C | -35~+40 |
| Allowable temperature rise of coil | °C | 65 |
| No-load voltage regulation | - | ±5% or ±2×2/5% |
| Noise level | db | 50 |
| Protection level | - | IP43 |
The compact Substation is widely used in diverse power distribution scenarios:
Industrial Parks: The Compact Prefabricated Substation provides stable power for manufacturing facilities, warehouses, and processing plants.
Urban Residential Areas: The compact Substation meets the power demand of residential communities, ensuring reliable electricity supply for daily use.
Commercial Centers: The Compact Prefabricated Substation supports high power consumption in shopping malls, office buildings, and entertainment complexes.
High-Rise Buildings: The compact design of the compact Substation makes it suitable for installation in limited spaces within skyscrapers.
Temporary Construction Sites: The easy installation and cost-effective nature of the Compact Prefabricated Substation make it ideal for temporary power supply during construction projects.
Renewable Energy Projects: The compact Substation is also suitable for small-scale solar and wind power generation projects, providing reliable power conversion and distribution.
