Super waterlogging performance, fast restoration of power supply, waterproof open type dry-type transformer successfully developed

    In recent years, torrential rains have led to increasingly frequent urban waterlogging. "City view of the sea", "Xiti inland sea view house", "basement into reservoir" and other once became popular words on the Internet. "Inner waterlogging" has directly affected our daily life. . Waterlogging caused the power distribution equipment in the basement to be flooded and burned, which interrupted the power supply. Once the transformer is the key to the power distribution equipment, once it burns out, it will be difficult and time-consuming to replace it on site, which will cause a long-term power outage and seriously reduce the efficiency of urban power grid restoration. , and cause great inconvenience to the life and production of the people.

    With the increasing frequency of urban waterlogging, the power transmission and distribution system has more and more calls for a transformer that can quickly restore power supply without replacement after waterlogging. In response to this, Haihong Electric officially established a project to develop a waterproof open-type dry-type transformer in 2018. This project was selected into the "Jiangmen Innovation Leading Talent Project" in the same year and received the attention and strong support of the government. With the unremitting efforts of Haihong Electric's technical team, the first waterproof open-type dry-type transformer prototype has been successfully developed, filling the gap in the industry!

    The waterproof open-type dry-type transformer adopts the three-dimensional wound core structure independently developed by Haihong, uses DuPont Nomex insulation material and Elantas environmental heat-resistant insulating paint, combined with new hydrophobic materials and innovative insulation structure and technology, so that the transformer not only has an open dry-type Type transformers have the advantages of fire and explosion protection, safety and environmental protection, and the insulation and waterproof performance has been greatly improved. After the prototype has been immersed in water for 48 consecutive hours, it is left to dry within 2 hours after the water comes out, and the assessment test is carried out. It has passed 10 tests including the externally applied withstand voltage test and the induced withstand voltage test. Among them, the insulation resistance >8GΩ, partial discharge <8pC, and noise level <43 dB(A), which fully reflect the excellent waterproof performance of the product, and can quickly restore power supply after the submerged state is released.

    The waterproof open-type dry-type transformer is a breakthrough result of Haihong Electric's in-depth research and development on the waterproof performance of transformers. It has outstanding advantages in super waterlogging resistance and fast power supply recovery, leading the market. Haihong Electric will take this as a new starting point, continue to specialize and refine in the field of transformers, continue to cultivate deeply, and contribute Haihong's wisdom, Haihong solutions, and Haihong's strength to the transformer industry in China and the world!