电工技术学报2017，Vol.32Issue(16)：136-144,9.DOI:10.19595/j.cnki.1000-6753.tces.161288
永磁电机温度场的改进有限公式迭代算法
A Modified Thermal Rewind Model of Permanent Magnet Motors Based on Finite Formulation Method
摘要
Abstract
The amorphous alloy (AA) lamination has attracted extensive research attentions in motor design because of its superior characteristics of high magnetic conductivity and low power loss density. Since the motors utilizing AA cores are mostly operated under the frequency conversion control systems, the heat generated may cause high temperature rises and limit the thrust output. The field analysis of thermal behavior of a 7kW axial flux permanent magnet (AFPM) motor with an AA core is embedded with a double-circulation procedure. The inner loop of the system is used to verify the fluid temperature. The outer loop is used to judge veracity of losses, heat conductivity coefficients, and heat convection coefficients. The temperature field analysis technique based on cell method (CM), also known as finite formulation method (FFM), is modified to simplify the rewind process of heat conductivity coefficients and reduce the computing work introduced by iteration. The calculation system is validated by experiments, and proves to be a valid and simple candidate for temperature distribution analysis of AFPM motors utilizing AA cores.关键词
有限公式分析/盘式非晶合金永磁电机/改进热模型/回带程序/三维温度场Key words
Finite formulation analysis/axial flux permanent magnet motor with amorphous alloy core/modified thermal model/rewind procedure/three-dimensional temperature field分类
信息技术与安全科学引用本文复制引用
朱高嘉,朱英浩,朱建国,佟文明,韩雪岩..永磁电机温度场的改进有限公式迭代算法[J].电工技术学报,2017,32(16):136-144,9.基金项目
国家自然科学基金(51307111)、国家科技支撑计划(2013BAE08B00)和辽宁省教育厅科学技术研究项目(L2013049)资助. （51307111）
