公开(公告)号：US20150084562A1

公开(公告)日：2015-03-26

申请号：US14559378

申请日：2014-12-03

Applicant: Regal Beloit America, Inc.

Inventor： ROGER CARLOS BECERRA ,  YAO DA

IPC: H02P29/00 ,  H02P6/14

CPC classification number: H02P29/0038 ,  H02M1/126 ,  H02M1/4266 ,  H02P6/14 ,  H02P29/50 ,  H02P2201/15 ,  Y02B70/123

Abstract: A drive circuit is provided for reducing conducted electromagnetic interference provided by a power line to a motor controller. The drive circuit includes an EMI filter having first and second EMI filter input terminals, and first and second EMI filter output terminals. The first input terminal is configured to be coupled to a first AC line output and the second input terminal is configured to be coupled to a second AC line output. The drive circuit includes a rectifier portion having first and rectifier input terminals coupled to the first and second EMI output terminals, respectively. The drive circuit includes at least two series-coupled filter capacitors after the rectifier portion and a PFC choke coupled at a first end to one of the EMI filter output terminals and to one of the first and second rectifier input terminals, and at a second end between the series-coupled filter capacitors.

Abstract translation: 提供驱动电路，用于将由电力线提供的传导电磁干扰降低到电动机控制器。 驱动电路包括具有第一和第二EMI滤波器输入端子以及第一和第二EMI滤波器输出端子的EMI滤波器。 第一输入端子被配置为耦合到第一AC线路输出，并且第二输入端子被配置为耦合到第二AC线路输出。 驱动电路包括整流部分，其具有分别耦合到第一和第二EMI输出端的第一和整流器输入端。 驱动电路包括在整流器部分之后的至少两个串联耦合的滤波电容器，以及在第一端处耦合到EMI滤波器输出端子之一以及第一和第二整流器输入端子之一的PFC扼流圈，并且在第二端 串联耦合滤波电容之间。