Compact Box Type Transformer Substation 35kv 1250KVA Rain Proof Electrical Equipment

The European-Style Compact Substation (also known as a Prefabricated Substation) is a high-reliability power distribution solution that integrates high-voltage switchgear, distribution transformers, and low-voltage distribution systems into a single, pre-wired outdoor enclosure.

Operating at 35kV with a capacity of 1250kVA, this "European-style" design is characterized by its modular "Three-Compartment" layout (HV, Transformer, and LV are physically separated). This configuration provides superior safety and ease of maintenance compared to standard combined transformers. It is specifically engineered for high-end residential areas, urban public grids, and industrial parks where safety, space-saving, and aesthetics are primary concerns.

• Intelligent Modular Layout: The HV, Transformer, and LV sections are housed in independent rooms. This "European" architecture prevents fault propagation between sections and allows for safer on-site inspections.

• All-Weather Resilience: The enclosure is built from high-strength Al-Zn alloy steel or Glass Fiber Reinforced Cement (GRC). It features a specialized double-layer roof and sandwich-panel walls for thermal insulation, preventing internal condensation and overheating in extreme climates.

• Maintenance-Free HV Section: Typically equipped with SF6 Ring Main Units (RMU) or vacuum switchgear, providing high reliability and long service intervals for the 35kV primary side.

• Optimized Cooling System: Features natural convection louvers combined with automatic temperature-controlled forced-air fans to ensure the transformer operates at peak efficiency even under full load in summer.

• Landscape-Friendly Aesthetics: The exterior can be customized with various colors and textures (including wood-grain or stone finishes) to harmonize with the surrounding environment, making it ideal for parks and luxury residential zones.

1. Urban Public Grids: Replacing bulky, open-air substations in high-density metropolitan areas.

2. Industrial Complexes: Providing dedicated 35kV power steps for factories, data centers, and manufacturing hubs.

3. Renewable Energy Projects: Acting as a collection and step-down station for commercial solar farms and wind power installations.

4. Commercial & Residential Parks: Safe, aesthetic power distribution for luxury housing, shopping malls, and airports.

• Turnkey "Plug-and-Play" Solution: Every unit is fully assembled, wired, and factory-tested (FAT) before shipment. On-site work is minimized to simple foundation prep and cable termination.

• Corrosion & Fire Resistance: Our enclosures are treated with high-grade electrostatic powder coating (C4/C5 rating) and utilize flame-retardant materials for the internal partitions.

• Smart Grid Ready: Can be equipped with intelligent monitoring units for real-time tracking of transformer temperature, oil levels, and LV electrical parameters via Modbus or GPRS.

• Seismic & Wind Stability: Structural frames are reinforced to withstand high-velocity wind loads and seismic tremors, ensuring 30+ years of operational life.

Q: What is the difference between "European-style" and "American-style" substations?

A: European-style substations are larger but offer higher safety because the HV, LV, and Transformer components are in separate rooms. American-style units (Pad-mounted) are more compact but integrate the transformer and switchgear in a single oil tank.

Q: Can this substation be used in high-altitude regions?

A: Yes. We can customize the insulation and cooling parameters specifically for high-altitude applications (up to 4000m) to account for thinner air and lower cooling efficiency.

Q: Do you offer the unit with a dry-type transformer?

A: Absolutely. While oil-immersed transformers are common for outdoor use, we can install cast-resin dry-type transformers for indoor or environmentally sensitive installations.

YB intelligent pre-installed substation

This series of intelligent box substation is by the high voltage unit, power transformer, low voltage unit, measurement unit and intelligent system, optimize the combined into a complete intelligent power supply complete sets of equipment, its function, wide use, more safe and reliable operation, nice appearance, and has convenient installation, covers an area of less, less maintenance, less investment, quick effect, long service life, etc. It can be used as transformer and distribution equipment for urban buildings, residential areas, municipal facilities, factories, mines, highways, wharves, oil fields and temporary electricity departments and places.