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A hairpin is a special case of a turn, in which the direction of the protein backbone reverses and the flanking secondary structure elements interact. For example, the beta hairpin connects two hydrogen-bonded, antiparallel β-strands.
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For hairpin windings, the rectangular conductors in each slot are arranged in layers. To form a winding, connections between the conductors are made, which are defined by the winding algorithm. General de-sign guidelines for hairpin winding with a multitude of parallel branches per phase are described in [ 10].
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.
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.
Overview. Uses pre-formed conductors to replace random-wound copper wires in the windings [1] Benefits from advantages such as high fill factor, highly automated manufacturing process, etc. Becoming very popular in EV/HEV drive applications. Hairpin winding. Random-wound winding. Chevrolet Volt 2nd Gen 2016. Toyota Prius 4th Gen 2015.
HAIRPIN WINDING CONFIGURATIONS. To satisfy the requirements on the torque and power density increase, hairpin winding is often adopted in EV motors. Such winding is characterized by rectangular cross-area section conductors shaped in advance as hairpin. Their final parts are twisted and welded to the following conductor to form. wave winding.
The production of stators equipped with hairpin windings is divided into a number of steps as illustrated in Fig. 2. The four major steps are: 1) Shaping: after having stripped and cut a straight conductor of a suitable length, this is bent to achieve a “hairpin” shape. The specific shape has to fit the winding diagram requirements and ...
