New Form Litz Wire winding technology from powertrain specialist hofer powertrain cuts e-motor losses by 25%
Form Litz Wire consists of parallel wires packed into a highly compact form, ensuring a high filling factor. It enables effective integration with various cooling systems, thus reducing energy losses to a minimum. Numerous tests confirm electric motor energy losses are reduced by up to 25%, positively affecting the entire system and resulting in continuous high output for an extended driving range.
hofer powertrain is making the automotive industry more sustainable through its innovative powertrain solutions. It focuses on reducing materials in its stator, rotor, and housing designs. The quantity of copper, iron, and rare earth metals in its permanent synchronous motor (PSM) is substantially lower.
Form Litz Wire is also cost-efficient. In the near-term, manufacturing can use conventional Hairpin winding tools to achieve production with minimal industrialization effort. In addition, its robust design lends itself to consistent production quality control and offers scope for automation. hofer powertrain is directing its efforts toward large-scale production to maximize the economic benefits for its customers even further.
The new winding technology is suitable for electric and hybrid powertrains, from passenger cars and formula-class sports vehicles to trucks and commercial vehicles. Besides technology licenses, hofer powertrain offers ready-made solutions and supports its customers as a development and manufacturing partner from conception to production and beyond.
"Achieving multiple efficiency and sustainability goals in powertrains with our technology makes us particularly proud," Johann Paul HOFER, CEO of hofer powertrain.
hofer powertrain is a system supplier, development, and technology partner for efficient powertrain solutions for electrified vehicles. The company’s primary goal is to increase mobility efficiency with advanced technologies. This goal is achieved through a unique, in-depth understanding of the complete system, including electronics, software, battery, e-motor, transmission, fast charging technology, and vehicle integration – from pre-development to SOP and beyond. This holistic powertrain capability extends globally with teams of experts in Europe, Asia, and the USA.
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