专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明授权

US09018882B2 Variable frequency drive bypass energy savings 有权
标题翻译：变频驱动旁路节能
公开(公告)号：US09018882B2
公开(公告)日：2015-04-28
申请号：US13211662
申请日：2011-08-17
申请人： Steven Russell Mack , William Charles Phillips, III , Matthew James Schimke
发明人： Steven Russell Mack , William Charles Phillips, III , Matthew James Schimke
IPC分类号： H02P1/30 , H02P27/06 , H02P27/02
CPC分类号： H02P27/06 , H02P27/024 , Y02P80/116
摘要： A Variable Frequency Drive (VFD) supplies power to rotate a motor, controlling both the speed and direction. The method normally used for this power conversion by the VFD results in energy losses and line harmonics. When the motor is driven by the VFD to be rotating at the same speed and direction as if the motor was straight across the incoming AC power, a transfer in power supply to the motor can be made using contactors to bypass the VFD. When in this bypass mode, the energy losses of the VFD are greatly reduced, and the line harmonics due to the VFD are greatly reduced. When it is subsequently recognized that the speed reference has deviated from being the same speed and direction as if the motor was straight across the incoming AC power, a transfer in power supply can be made from using contactors to once again drive the motor from the VFD.
摘要翻译：变频驱动（VFD）提供电源旋转电机，同时控制速度和方向。通常用于VFD进行功率转换的方法会导致能量损耗和线路谐波。当电动机由VFD驱动以与电动机直接进入交流电源相同的速度和方向旋转时，可以使用接触器对电动机进行电力转换以绕过VFD。在这种旁路模式下，VFD的能量损耗大大降低，VFD引起的线路谐波大大降低。当随后认识到速度基准已经偏离与输入的交流电源直线相同的速度和方向时，可以使用接触器进行电力供应，从而再次从VFD驱动电动机。

2. 发明申请

US20120187886A1 Variable Frequency Drive Bypass Energy Savings 有权
标题翻译：变频驱动旁路节能
公开(公告)号：US20120187886A1
公开(公告)日：2012-07-26
申请号：US13211662
申请日：2011-08-17
申请人： Steven Russell Mack , William Charles Phillips, III , Matthew James Schimke
发明人： Steven Russell Mack , William Charles Phillips, III , Matthew James Schimke
IPC分类号： H02P27/04
CPC分类号： H02P27/06 , H02P27/024 , Y02P80/116
摘要： A Variable Frequency Drive (VFD) supplies power to rotate a motor, controlling both the speed and direction. The method normally used for this power conversion by the VFD results in energy losses and line harmonics. When the motor is driven by the VFD to be rotating at the same speed and direction as if the motor was straight across the incoming AC power, a transfer in power supply to the motor can be made using contactors to bypass the VFD. When in this bypass mode, the energy losses of the VFD are greatly reduced, and the line harmonics due to the VFD are greatly reduced. When it is subsequently recognized that the speed reference has deviated from being the same speed and direction as if the motor was straight across the incoming AC power, a transfer in power supply can be made from using contactors to once again drive the motor from the VFD.
摘要翻译：变频驱动（VFD）提供电源旋转电机，同时控制速度和方向。通常用于VFD进行功率转换的方法会导致能量损耗和线路谐波。当电动机由VFD驱动以与电动机直接进入交流电源相同的速度和方向旋转时，可以使用接触器对电动机进行电力转换以绕过VFD。在这种旁路模式下，VFD的能量损耗大大降低，VFD引起的线路谐波大大降低。当随后认识到速度基准已经偏离与输入的交流电源直线相同的速度和方向时，可以使用接触器进行电源的转换，从而再次从VFD驱动电动机。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式