Start-up and restart of interior permanent magnet machines
一种永久磁体、电机转子的技术,应用在单个同步机的启动器、发动机的起动、发动机用电动机起动等方向,能够解决电机失去同步等问题
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[0017] The following description of different embodiments of the invention is merely exemplary in nature and in no way intended to limit the invention, its application or uses. For purposes of clarity, the same reference numbers have been used in the drawings to identify similar elements. As used herein, the term module and / or device refers to an Application Specific Integrated Circuit (ASIC), an electronic circuit, a processor (shared, dedicated or combined) and memory, a combinational logic circuit or Other suitable components that provide the described functionality.
[0018] In general, in connection with starting and / or restarting an IPM machine, it is preferable to initialize the states of the synchronous current regulators and observers used to estimate the rotor position in such a way as to avoid torque ripple. Proper initialization of the current regulator is especially desirable at high speeds when the back EMF of the motor is very high.
[0019] Accordingly, in on...
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