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1. 发明授权

US06329776B1 Method and apparatus for switching an AC machine between a drive and a power supply 失效
标题翻译：用于在驱动器和电源之间切换AC电机的方法和装置
公开(公告)号：US06329776B1
公开(公告)日：2001-12-11
申请号：US09455395
申请日：1999-12-06
申请人： Paul S. Bixel , Eddy Y. Y. Ho
发明人： Paul S. Bixel , Eddy Y. Y. Ho
IPC分类号： H02P146
CPC分类号： H02P25/024
摘要： A method and apparatus for transferring an AC machine between non volts per hertz drive and a power supply such as supply mains, or a generator. In a transfer procedure, the motor drive is placed in a quasi-voltage mode prior to transfer to permit the output of the motor drive to be synchronized to the output of the power supply. In capture procedure, the output of the drive is preconditioned based on detected states of the AC machine to synchronize the voltage at the terminals of the AC machine with the output of the drive. During the capture procedure, opening of a contactor is detected by comparing the frequency and/or voltage at the terminals of the AC machine with that of the power supply.
摘要翻译：一种在非电压/赫兹驱动之间传送AC电机的方法和装置以及诸如电源或发电机的电源。在传送过程中，电机驱动器在传输之前被置于准电压模式，以允许电机驱动器的输出与电源的输出同步。在捕获过程中，驱动器的输出基于AC机器的检测状态进行预处理，以使AC机器的端子处的电压与驱动器的输出同步。在捕获过程中，通过比较交流电机端子的频率和/或电压与电源的频率和/或电压来检测接触器的打开。

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