Hysteresis Losses in Sintered NdFeB Permanent Magnets in Rotating Electrical Machines

被引：49

作者：

Pyrhonen, Juha ^{[1
]}

Ruoho, Sami

Nerg, Janne ^{[1
]}

Paju, Martti ^{[2
]}

Tuominen, Sampo ^{[2
]}

Kankaanpaa, Harri ^{[3
]}

Stern, Raivo ^{[4
]}

Boglietti, Aldo ^{[5
]}

Uzhegov, Nikita ^{[1
]}

机构：

[1] LUT, Sch Technol, Dept Elect Engn, LUT Energy, Lappeenranta 53851, Finland

[2] Prizztech Oy, Magnet Technol Ctr, Pori 28101, Finland

[3] Neorem Magnets Oy, Ulvila 28400, Finland

[4] NICPB, Dept Chem Phys, EE-12618 Tallinn, Estonia

[5] Politecn Torino, Dept Elect Engn, I-10129 Turin, Italy

来源：

IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS | 2015年 / 62卷 / 02期

关键词：

Hysteresis; hysteresis in permanent magnets (PMs); PM; PM losses; PM material; PM MACHINES; MOTOR; DEMAGNETIZATION; DESIGN; MODEL;

D O I：

10.1109/TIE.2014.2354597

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

Permanent magnet (PM) materials are nowadays widely used in the electrical machine manufacturing industry. The eddy-current loss models of PMs used in electrical machines are frequently discussed in research papers. In magnetic steel materials we have, in addition to eddy-current losses, there are hysteresis losses when alternating current or a rotating flux travels through the material. Should a similar phenomenon be also taken into account in calculating the losses of PMs? Every now and then, authors seem to assume that some significant hysteresis losses are present in rotating machine PMs. This paper studies the mechanisms of possible hysteresis losses in PMs and their role in PMs when used in rotating electrical machines.

引用

页码：857 / 865

页数：9

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