发明名称 |
MAGNET FLUX AMOUNT ESTIMATION DEVICE, ABNORMAL DEMAGNETIZE DETERMINATION DEVICE, SYNCHRONOUS MOTOR DRIVING DEVICE, AND ELECTRIC MOTOR CAR |
摘要 |
According to one embodiment, a magnet flux amount estimation device includes a magnetic pole position detector configured to detect a magnetic pole position of a permanent magnet synchronous motor including a permanent magnet within a rotor; an inductance-equivalent value determination module configured to determine an inductance-equivalent value of a d-axis corresponding to a determined magnetic pole direction; and a magnet flux amount estimator configured to calculate an estimation value of a magnet flux amount of the permanent magnet, based on the inductance-equivalent value. |
申请公布号 |
US2014232306(A1) |
申请公布日期 |
2014.08.21 |
申请号 |
US201414186133 |
申请日期 |
2014.02.21 |
申请人 |
KABUSHIKI KAISHA TOSHIBA |
发明人 |
YASUI Kazuya;Taniguchi Shun;Kano Masaru |
分类号 |
H02P21/14;H02P21/00 |
主分类号 |
H02P21/14 |
代理机构 |
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代理人 |
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主权项 |
1. A magnet flux amount estimation device comprising:
a magnetic pole position detector configured to detect a magnetic pole position of a permanent magnet synchronous motor including a permanent magnet within a rotor; an inductance-equivalent value determination module configured to determine an inductance-equivalent value of a d-axis corresponding to a determined magnetic pole direction; and a magnet flux amount estimator configured to calculate an estimation value of a magnet flux amount of the permanent magnet, based on the inductance-equivalent value. |
地址 |
Minato-ku JP |