電線及びコイル

Japanese Patent JP5061259

B2

An electric motor, comprising a plurality of iron cores arranged on a circle; a plurality of coils wound with an electric wire on the plurality of iron cores, the electric wire including a material having a higher volume resistivity than copper; and a rotor rotated by the plurality of coils to which alternating current is applied, wherein an AC resistance value of the electric wire has a first frequency which is equal to an AC resistance value of a copper wire having the same diameter and length as the electric wire, and a second frequency which is larger than the first frequency and by which the AC resistance value of the electric wire is equal to the AC resistance value of the copper wire, the AC resistance of the electric wire is smaller than the AC resistance value of the copper wire between the first frequency and the second frequency, and a frequency of the alternating current applied to the coils is controlled so that the frequency in which the coils is used is set within a frequency range between the first frequency and the second frequency.

JP6044214	A litz wire and the coil for high frequency electric supply
JP4824508	Litz wire coil
WO/2000/074212	AN ELECTRIC MACHINE WITH LOW EDDY CURRENT LOSSES

Takashi Niimoto
Shotaro Yoshida
Government

JP2011550162A

October 31, 2012

July 21, 2011

Click for automatic bibliography generation  

Fujikura Ltd.

H01B7/30; H01B7/00; H01F5/00; H01F27/28; H02K3/02; H02K11/00

JP2002358840A	2002-12-13
JP2009129654A	2009-06-11
JP2009129550A	2009-06-11
JP2009129550A	2009-06-11
JP2002358840A	2002-12-13
JP2009129654A	2009-06-11

JPN6012008848; 水野勉等: '磁性めっき線を用いたコイルの交流抵抗の低減' 電気学会研究会資料 , 20061219, ｐ．５１-５６
JPN6012008848; 水野勉等: '磁性めっき線を用いたコイルの交流抵抗の低減' 電気学会研究会資料 , 20061219, ｐ．５１-５６

Takaaki Yamazaki

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