YB-40.5/0.69-4000 Photovoltaic On-site Step-Up Substation Series
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YB-40.5/0.69-4000 Photovoltaic On-site Step-Up Substation Series
YB-40.5/0.69-4000 Photovoltaic On-site Step-Up Substation. As a clean energy production method, photovoltaic power generation has been rapidly expanding both domestically and internationally. The YB-40.5/0.69-4000 series of photovoltaic on-site step-up substations is specifically designed to meet the growing demand for electricity generated by photovoltaic systems.
Product Introduction
YB-40.5/0.69-4000 Photovoltaic On-site Step-Up Substation—developed by our company as a self-designed product series. Building on our previously manufactured 10kV and 35kV combined transformers, this innovative solution integrates advanced domestic and international technologies tailored to local market needs. The substation features a compact design, housing the transformer, load switch, and high-voltage fuses within the enclosure of a prefabricated transformer station. It leverages the transformer’s insulating oil as both the insulation medium and coolant for the entire unit. Thanks to its fully sealed construction and modular exterior—crafted through processes like shot blasting, acid cleaning, phosphating, and sequential application of primer, mid-coat, and topcoat—the substation boasts exceptional durability, including superior resistance to scratching, weathering, and UV exposure. Additionally, it offers key advantages such as a small footprint, lightweight design, and effortless installation.
Terms of Use
· Altitude: not exceeding 5,000 m;
· The ambient temperature range is: -40°C to +45°C;
· Outdoor wind speed not exceeding 30 m/s;
· Relative humidity: Daily average no more than 95%, monthly average no more than 90%; · The waveform of the power supply voltage is approximately sinusoidal, and the three-phase power supply voltages are nearly symmetrical.
· Installation location: Install in areas free from fire hazards, explosion risks, severe pollution, chemical corrosion, and intense vibrations.
Note: If the conditions exceed the above-mentioned normal operating environment, users may contact our company to discuss a solution.

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