In wind farms and hydroelectric stations, Huawan transformers step up generated low-voltage power to 35 kV using compact substation transformers. Power is transmitted via collection lines to a main step-up substation, then delivered to the grid through high-voltage lines, ensuring efficient, low-loss integration.
Huawan transformers adopt optimized core designs and advanced winding structures, achieving no-load losses as low as 30% below standard limits and total efficiency up to 99.49%, reducing energy waste during renewable power transmission.
Our products are designed to operate reliably in harsh conditions—whether in high-altitude hydro stations or high-humidity coastal wind farms—offering -25°C to +50°C operating range and robust anti-corrosion surface treatment.
Huawan provides pad-mounted, pole-mounted, and compact substationsolutions, ideal for limited-space installations at wind towers or hydro turbine houses. Designs can be customized for special voltage ratings, impedance, and protection levels.
Huawan supplied 6300 kVA 35/0.4 kV oil-immersed box transformers for the Anhui Mingguang wind farm. These transformers step up the voltage of electricity generated by 4.5MW wind turbines to 35 kV, and feature a sealed oil tank, low no-load loss design, and FR3 environmentally friendly oil, making them ideal for compact wind tower bases.
HuaWan Company supplied 1250 kVA SCB14 series dry-type transformers for a mountain wind farm, which have high insulation and heat resistance. These transformers are installed in the turbine nacelle platform to ensure safe and fire-resistant voltage conversion between the turbine and the 35 kV collector grid.
In a medium-scale wind project, Huawan supplied a 110/35 kV 25 MVA on-load tap-changing transformer as the main substation unit. Designed to IEEE/IEC standards, it ensures efficient power step-up to the high-voltage grid with low partial discharge, high thermal stability.
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Empowering the Grid, Serving Customers, Advancing Society
Empowering the Grid, Serving Customers, Advancing Society
