CAJ | 학술논문

本文用矢量电位 T 和标量磁位φ建立了抽水蓄能电机端部三维时变场数学模型，考虑了定、转子绕组的真实形状、齿压板、压板、边端铁心以及各向异性的电导率等，并用数值方法对电机端部磁场进行了计算。提出了边端铁心和端部结构件损耗的分析方法，计算了不同功率因数下的端部损耗，得到了端部损耗与功率因数的关系。通过本文的研究，解决了端部损耗不能准确计算的问题，为抽水蓄能电机端部结构的优化设计提供理论参考。
본문용시량전위 T 화표량자위φ건립료추수축능전궤단부삼유시변장수학모형，고필료정、전자요조적진실형상、치압판、압판、변단철심이급각향이성적전도솔등，병용수치방법대전궤단부자장진행료계산。제출료변단철심화단부결구건손모적분석방법，계산료불동공솔인수하적단부손모，득도료단부손모여공솔인수적관계。통과본문적연구，해결료단부손모불능준학계산적문제，위추수축능전궤단부결구적우화설계제공이론삼고。
This paper establishes a FEM model for calculating 3D transient field of pump storage machine's end region using T and φ. It contains the actual shape of stator windings and rotor coils, outside space block, press plate, stepped core and its anisotropic conductivity. The end field of generator is calculated by numerical method. The methods for calculating losses of stepped core and end structures are presented. The losses of end region at different power factors are computed and the relationship between the loss and the power factor is gained. Through research, the problem that the loss of end region couldn't be computed correctly is solved, which can provide some theory references for optimum design of pump storage machine.