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author:

方淑丹 (方淑丹.) [1]

Indexed by:

PKU

Abstract:

永磁直流电动机的气隙磁密波形直接影响每极磁通量,影响电机的工作特性、振动和噪音.文中分析了平顶波磁密对电机铁耗、空载阻转矩的影响,比较了平顶波和近似正弦波磁密电机对应的工作特性,三种特性曲线分别都有明确交点的事实决定了这两种磁密波形对电机性能的适应性:轻载长期运行电机宜选用正弦波磁密,而重载或频繁起动等短时或重复短时工作电机宜选用平顶波磁密,用于轻载、要求高效、空载电流、振动、噪音要求小的场合,应选用近似正弦波磁密.文中还就获得这两种不同波形的充磁方法提出改进意见,并推出两种新的磁钢结构型式:“不等原瓦形磁钢”可获正弦波形磁密,磁钢充分利用,磁密波形稳定;“等厚瓦形人字斜磁钢”可获平顶波磁密,...

Keyword:

气隙磁密波形 永磁直流电动机 磁钢结构

Community:

  • [ 1 ] 福州大学

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Source :

微特电机

Year: 1996

Issue: 03

Page: 2-5

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 2

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