阅读说明：本技术 线圈以及电流激励式同步电机 (Coil and current-excited synchronous motor ) 是由 G·弗莱舍尔 S·塞伊斯 F·贝克 D·罗斯 C·科隆基尔 T·贝克尔 F·里施 于 2019-09-24 设计创作，主要内容包括：本发明涉及一种线圈,所述线圈包括至少局部地被环氧树脂包围的绕组,其中,在室温情况下,环氧树脂的抗压强度与其抗拉强度的比值在2至5之间,其中,在室温情况下的弹性模量为至少5000MPa,并且在环氧树脂的玻璃化温度情况下的弹性模量以及抗拉强度取值为在室温情况下的值的至少30％。(The invention relates to a coil comprising a winding which is at least partially surrounded by an epoxy resin, wherein the ratio of the compressive strength to the tensile strength of the epoxy resin is between 2 and 5 at room temperature, wherein the modulus of elasticity at room temperature is at least 5000MPa, and the modulus of elasticity and the tensile strength at the glass transition temperature of the epoxy resin take on values which are at least 30% of the values at room temperature.)