MAIN MATERIALS (TAKING THE 20FT STANDARD BOX AS AN EXAMPLE)
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YZC New Energy Integrated Photovoltaic Prefabricated Cabin, European style Integrated Machine.
The layout of the European all-in-one machine is similar to that of conventional European transformers. The entire machine casing is made of a container casing, including a transformer room, high-voltage room, communication power cabinet room, and inverter room. Each room is separated by a partition or corrugated board, and the inverter and high and low voltage rooms are distributed on both sides of the transformer room, with an overall herringbone structure.
The inverter is arranged in a mirror image, with a lower inlet wellhead set between the inverter passages, and the inverter side outlet connected to the low-voltage bushing on one side of the transformer through copper bars and soft connections. The transformer is usually a dry type transformer, equipped with a vacuum load switch and fuse combination appliance. The vacuum load switch and fuse combination appliance is connected to the transformer room through high-voltage cables, and the communication power cabinet is similar to the American integrated machine.
The heat dissipation method of transformers usually adopts natural air cooling or forced air cooling. The containerized shell is equipped with ventilation louvers, fan outlets, and fans for internal and external air circulation of the entire substation. The inverter room is equipped with fire emergency lights, fire detectors, explosion-proof lighting, and fire extinguishers.
Altitude: ≤3000 meters;
Surrounding environment temperature: -45°C~+45°C;
Environmental humidity: The daily average relative humidity shall not exceed 60%, and the monthly average relative humidity shall not exceed 90%.
Places without fire, explosion hazard, chemical corrosion, and severe vibration.
Highly integrated: Pioneered a one-stop solution for DC input, invert, and boost output; Unified installation and debugging in the factory, overall lifting on site, one-stop completion of transportation, installation, and maintenance.
Strong adaptability: Fully consider requirements such as ventilation and heat dissipation, wind and sand resistance, rain and snow resistance, corrosion resistance, and low temperature resistance.
Stable performance: High integration, few fault points, improving performance stability; Stable operation with an overload of 20%~50% (vegetable oil type).
High profitability: Reduce investment in AC cables, concentrate on optimizing electrical equipment such as circuit breakers, lightning protection, power supply, and monitoring. Small footprint and low construction difficulty. It can replace the traditional "MW room + photovoltaic box transformer" mode.