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Hairpin windings are becoming a popular option for EV motors due to their reduced dc losses and improved heat dissipation capability when compared to traditional random windings. In this article, a comprehensive design approach of hairpin winding layouts is first presented.
Hairpin technology is a winding technology for stators in electric motors and generators and is also used for traction applications in electric vehicles. In contrast to conventional winding technologies, the hairpin technology is based on solid, flat copper bars which are inserted into the stator stack.
years. The hairpin stator technology promises valuable unique selling points on both product and process side, but presents challenges for car manufac-turers and plant engineering. CHALLENGES AND FIELDS OF ACTION IN HAIRPIN STATOR PRODUCTION Current challenges in hairpin stator production can be found in the areas
17 mar 2023 · In the design of a hairpin winding, it is possible to influence the transient potential differences by employing a method called “shifting” within the winding scheme and thus to reduce the maximum potential differences that occur.
10 mar 2023 · This paper investigates the effect of hairpin winding topology on the electromagnetic and thermal performance in order to improve the torque, power density and efficiency of traction motors.
In this paper, a rule set for correctly configuring a hairpin winding is presented by modeling the Joule losses in the hairpin windings as a function of frequency. The results are compared...
Odawara offers multiple hairpin winding solutions to meet all customer needs from R&D scale machines through to high volume manufacturing lines. Complexity in the stator design can be managed through the utilization of different coil forming, alignment, and insertion processes.
