摘要
在大型汽轮发电机定于绕组的０°／５４０°／０°线棒股线回路中，由于剩余的横向端都感应电势的作用，产生了循环电流．描述了计算循环电流的数学模型并求得５４０°换位线棒的股线电流．对股线电流及环流损耗的计算结果进行了理论分析，还对在槽部中间设置具有不同长度的空换位作用进行了研究．
In stator winding bars circuit with 0°/540°/ 0°- transposed strands, circulating current is arisen from residual transverse induced electromotive force at end region of large turbogenerator. A mathematical model for calculating the circulating current is described and current in individual strands of a 540°- transposed bar is found in this paper. The theoretical analysis of calculation results about current in individual strands and the circulating current loss is carried out. The effect of void transposition with various lengths in middle - slot portion is studied also
出处
《大电机技术》
北大核心
1994年第2期17-24,共8页
Large Electric Machine and Hydraulic Turbine
关键词
定子线棒
循环电流
汽轮发电机
turbogenerators, transposition, circulating current
