Products Description
Preinstalled Type Transformer Substations are compact, integrated power distribution solutions that streamline the delivery of stable electricity for a wide range of applications, from urban developments and industrial zones to remote infrastructure projects. Built as turnkey units with all core components-including transformers, switchgear, protection systems, and control panels-prefabricated and pretested in a factory, they eliminate the need for complex on-site assembly, significantly reducing installation time and minimizing operational disruptions. Designed to adapt to diverse environmental conditions and grid requirements, these substations offer robust performance, reliable protection against electrical faults, and easy maintenance, while adhering to global safety and efficiency standards. Their modular and space-saving design makes them ideal for projects with limited footprint or tight timelines, providing a cost-effective and hassle-free way to enhance power distribution capacity and reliability across residential, commercial, and industrial settings.

Product Design&Structure
Preinstalled Type Transformer Substations are designed around the core concept of integration and convenience, packing all essential power components into a single prefabricated unit for seamless deployment. The design prioritizes modularity-transformers, switchgear, protection devices, control panels, and wiring are all preassembled and pretested in the factory, ensuring compatibility between parts and eliminating the need for complex on-site configuration. Engineers focus on optimizing space utilization, creating a compact footprint that works well in areas with limited land, such as urban neighborhoods, industrial parks, or remote construction sites. All internal layouts follow logical workflow paths, with clear separation between high-voltage and low-voltage zones to enhance safety and simplify future maintenance.

The structural framework of these substations is built for durability, environmental resilience, and easy transportation. The outer enclosure typically uses high-strength steel or fiberglass-reinforced plastic (FRP), with corrosion-resistant coatings to stand up to rain, dust, extreme temperatures, and humidity-whether in hot, dry climates or coastal areas with salt spray. The structure is reinforced to handle the weight of internal components during transit and installation, while built-in lifting points and forklift pockets make loading, unloading, and positioning straightforward. Many models also feature weather-tight seals and insulation to meet different protection levels (such as IP33 to IP54), keeping internal equipment safe from external elements and ensuring reliable operation in harsh conditions.
Key systems within the substation are designed to work in harmony, balancing performance and user-friendliness. The electrical system includes reliable busbar connections and insulation materials that meet international safety standards, preventing short circuits and ensuring stable power transmission. Cooling systems are tailored to the substation's capacity-most use natural air cooling (AN) or forced air cooling (AF) to keep components at optimal operating temperatures without excessive energy use. Control and monitoring systems are integrated into a centralized panel, with clear, easy-to-read displays that let operators check status, adjust settings, or troubleshoot issues quickly. Additionally, safety features like emergency shutoffs, grounding systems, and visible warning labels are built into the structure, aligning with global safety protocols to protect both equipment and on-site personnel.
We offer custom solutions tailored to your specific needs-please feel free to contact us at any time.
Product Specifications
| Project | Unit | Parameter | ||
| High | Rated frequency | Hz | 50 | |
| pressure | Rated voltage | KV | 6/10/35 | |
| side | Maximum operating voltage | KV | 6.9/11.5/40.5 | |
| Rated current | A | 400/630/1250 | ||
| Transfer current | A | 1200-3150 | ||
| Rated short-circuit switch current (current-limiting fuse) | KA | 25-50 | ||
| Transformer | Rated voltage | KV | 50 | |
| Rated capacity | KVA | 30-2000 | ||
| Tap range | % | ±2*2.5/±5% | ||
| Connection group | Yyn0/Dyn11 | |||
| Impedance voltage | % | 4.4/5.6/8 | ||
| Low | Rated voltage | V | 220/380/690/800 | |
| pressure | Main circuit rated current | A | 50-4000 | |
| side | Branch current | A | 5-800 | |
| case | Protection level | IP23/IP33/IP65 | ||
| Noise level(dB) | ≤50 | |||
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