H - Electricity – 02 – K
Patent
H - Electricity
02
K
H02K 5/04 (2006.01) H02K 7/14 (2006.01) H02K 11/00 (2006.01) H02K 7/08 (2006.01)
Patent
CA 2260633
A motor drive system comprises a motor driven by a variable frequency power supply and a machine driven by the motor, which are mechanically connected by the drive shaft of the motor and the shaft of the machine via bearings. A stationary portion of the motor and the frame of the machine are electrically connected by a low-impedance conductor, so that a current can be caused to flow at least partially between the stationary portion of the motor and the frame of the machine.
Miyazaki Masanori
Ono Hirotaka
Yamamoto Masaru
Fetherstonhaugh & Co.
Kabushiki Kaisha Toshiba
Toshiba Engineering Corporation
Toshiba Mitsubishi-Electric Industrial Systems Corporation
Toshiba Plant Systems & Services Corporation
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