Preinstalled Type Transformer Substation

Preinstalled Type Transformer Substation

Details
High Voltage: 10KV 35KV 66KV
Low Voltage: 400V 6.3KV 10KV
Rated Power: 500kVA 800kVA 1000kVA 1250kVA 1600kVA
2000kVA 2500kVA 3150kVA 4000kVA 5000kVA 6300kVA
Connection Symbol: YNd11, Dyn11
Protection Level: IP33 IP44 IP54
Cooling Method: ONAN ONAF
Category
Compact Substation
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Description
Technical Parameters

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.

 

Prefabricated Box Type Substation

 

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.

Preinstalled Type Transformer Substation

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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