Evaluation of Mechanical Properties Considering Uncertainties for Hairpin Coils in Electric Vehicle Motor Manufacturing

The rising demand for electric vehicles (EVs) underscores the need for enhancing electric motor efficiency. Utilizing hairpin coils with a rectangular cross-section has emerged as an alternative approach to increase conductor density in motor stator slots. However, the manufacturing process for hair...

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Veröffentlicht in:	IEEE access 2024, Vol.12, p.45318-45330
Hauptverfasser:	Shim, Young-Dae, Kim, Jihun, Kim, Changhyeon, Park, Jihyun, Yang, Dong-Wook, Lee, Eun-Ho
Format:	Artikel
Sprache:	eng
Schlagworte:	Bending Coils Copper double-sided four-point bending Electric motors Electric vehicles Exact solutions Hairpin winding motor Manufacturing Material properties Mechanical factors Mechanical properties Modulus of elasticity Motor stators Plastic deformation Slow strain rate Springback Strain Tensile tests Uncertainty Wires Yield strength Yield stress Young's modulus
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