| 摘要 |
<p>An apparatus for measuring inductance parameter of permanent magnet motor includes a rotor position monitoring device, detecting the rotor pole position angle of the motor to be tested, a rotation fixing device, locating the rotor of the motor to be tested so as to make the rotor position angle arrive at predetermined position, a test signal generating unit, applying a voltage pulse signal of stated magnitude to the motor to be tested, a signal acquiring unit, recording separately the total current, phase voltage and sampling time of the motor to be tested when the rotor position angle arrives at predetermined position, an inductance computing unit, computing the alternate axis and direct axis inductance of the motor to be tested according to the total current, phase voltage and sampling time acquired by the signal acquiring unit.</p> |
