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公开(公告)号：US20220329065A1
公开(公告)日：2022-10-13
申请号：US17809497
申请日：2022-06-28
Applicant: Rockwell Automation Technologies, Inc.
Inventor： Zoran Vrankovic , Mark A. Gries , Craig R. Winterhalter , Arun K. Guru
Abstract: A system for distributing DC bus voltage and control power to multiple motors includes a rectifier front end supplying a DC bus voltage and a DC control voltage. Both the DC bus voltage and the DC control voltage are distributed via a common set of conductors. Diodes are operatively connected between the DC control voltage and the common set of conductors. The diodes allow forward conduction of the DC control voltage and distribution of control power to distributed devices when the DC bus voltage is not present. Once the DC bus voltage is present, the diodes block conduction of the DC control voltage. Each of the distributed devices are configured with an internal power supply that is operative to generate an internal control voltage from either the DC control voltage or the DC bus voltage.
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Patent Agency Ranking
公开(公告)号：US09899953B2
公开(公告)日：2018-02-20
申请号：US15193181
申请日：2016-06-27
Applicant: Rockwell Automation Technologies, Inc.
Inventor： John R. Figie , Zoran Vrankovic , Mark A. Gries , Craig Winterhalter , Gennadi Sizov
IPC: G05B5/00 , H02H7/08 , H02P29/024 , H02M7/537 , H02M1/32 , H02P27/06 , G01R31/02 , G01R31/42 , G05B19/042
CPC classification number: H02P29/024 , G01R31/025 , G01R31/42 , G05B19/0425 , H02M1/32 , H02M7/537 , H02M7/5387 , H02M2001/008 , H02P27/06
Abstract: A system to detect a ground fault at the output of an inverter section prior to powering up a motor drive system is disclosed. A low voltage power supply is connected to the DC bus prior to connecting the input power source to the rectifier section. If a ground fault exists, the voltage potential on the DC bus causes conduction through one of the freewheeling diodes connected in parallel to the power switching device on the output of the inverter section. A fault detection circuit generates a signal corresponding to the presence of the low voltage potential when the low voltage is applied to the DC bus. If a ground fault is present at the output of one of the inverter sections, the motor drive system prevents the AC voltage from being applied to the rectifier section.
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公开(公告)号：US20140285120A1
公开(公告)日：2014-09-25
申请号：US14300396
申请日：2014-06-10
Applicant: Rockwell Automation Technologies, Inc.
Inventor： Mark A. Gries , Mark R. Cooper , Rangarajan Tallam , Garrett B. Rodrigues
IPC: H02P5/74
CPC classification number: H02P5/74 , G01R19/2509 , G01R19/2513 , G01R23/20 , G01R31/42 , H02M1/15 , H02M5/4585 , H02M2001/008
Abstract: A distributed motor drive system includes a power management module and multiple inverter modules integrated with the motors and located on a machine or process remote from the power management module. The power management module distributes DC voltage and command signals to each of the inverters, where the DC voltage is distributed between modules via a DC link cable. The integrated inverters execute switching routines to convert the DC voltage to an AC voltage suitable for controlling the motor. Each of the power management module and the inverters includes a portion of the DC bus. The current on the DC link cable is monitored and general bus utilization as well as overload conditions are reported.
Abstract translation: 分布式电动机驱动系统包括电源管理模块和与电动机集成的位于远离电源管理模块的机器或处理器上的多个逆变器模块。 电源管理模块将直流电压和指令信号分配给每个逆变器，其中直流电压通过直流链路电缆分布在模块之间。 集成逆变器执行切换程序，将直流电压转换成适合于控制电机的交流电压。 每个电源管理模块和逆变器包括DC总线的一部分。 监控直流链路电缆上的电流，并报告总线利用率以及过载条件。
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公开(公告)号：US20170373630A1
公开(公告)日：2017-12-28
申请号：US15193181
申请日：2016-06-27
Applicant: Rockwell Automation Technologies, Inc.
Inventor： John R. Figie , Zoran Vrankovic , Mark A. Gries , Craig Winterhalter , Gennadi Sizov
IPC: H02P29/024 , H02P27/06 , H02M1/32 , G01R31/42 , H02M7/537 , G01R31/02 , G05B19/042
CPC classification number: H02P29/024 , G01R31/025 , G01R31/42 , G05B19/0425 , H02M1/32 , H02M7/537 , H02M7/5387 , H02M2001/008 , H02P27/06
Abstract: A system to detect a ground fault at the output of an inverter section prior to powering up a motor drive system is disclosed. A low voltage power supply is connected to the DC bus prior to connecting the input power source to the rectifier section. If a ground fault exists, the voltage potential on the DC bus causes conduction through one of the freewheeling diodes connected in parallel to the power switching device on the output of the inverter section. A fault detection circuit generates a signal corresponding to the presence of the low Voltage potential when the low voltage is applied to the DC bus. If a ground fault is present at the output of one of the inverter sections, the motor drive system prevents the AC voltage from being applied to the rectifier section.
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公开(公告)号：US09270210B2
公开(公告)日：2016-02-23
申请号：US14300396
申请日：2014-06-10
Applicant: Rockwell Automation Technologies, Inc.
Inventor： Mark A. Gries , Mark R. Cooper , Rangarajan Tallam , Garrett B. Rodrigues
CPC classification number: H02P5/74 , G01R19/2509 , G01R19/2513 , G01R23/20 , G01R31/42 , H02M1/15 , H02M5/4585 , H02M2001/008
Abstract: A distributed motor drive system includes a power management module and multiple inverter modules integrated with the motors and located on a machine or process remote from the power management module. The power management module distributes DC voltage and command signals to each of the inverters, where the DC voltage is distributed between modules via a DC link cable. The integrated inverters execute switching routines to convert the DC voltage to an AC voltage suitable for controlling the motor. Each of the power management module and the inverters includes a portion of the DC bus. The current on the DC link cable is monitored and general bus utilization as well as overload conditions are reported.
Abstract translation: 分布式电动机驱动系统包括电源管理模块和与电动机集成的位于远离电源管理模块的机器或处理器上的多个逆变器模块。 电源管理模块将直流电压和指令信号分配给每个逆变器，其中直流电压通过直流链路电缆分布在模块之间。 集成逆变器执行切换程序，将直流电压转换成适合于控制电机的交流电压。 每个电源管理模块和逆变器包括DC总线的一部分。 监控直流链路电缆上的电流，并报告总线利用率以及过载条件。
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公开(公告)号：US11936182B2
公开(公告)日：2024-03-19
申请号：US17809497
申请日：2022-06-28
Applicant: Rockwell Automation Technologies, Inc.
Inventor： Zoran Vrankovic , Mark A. Gries , Craig R. Winterhalter , Arun K. Guru
Abstract: A system for distributing DC bus voltage and control power to multiple motors includes a rectifier front end supplying a DC bus voltage and a DC control voltage. Both the DC bus voltage and the DC control voltage are distributed via a common set of conductors. Diodes are operatively connected between the DC control voltage and the common set of conductors. The diodes allow forward conduction of the DC control voltage and distribution of control power to distributed devices when the DC bus voltage is not present. Once the DC bus voltage is present, the diodes block conduction of the DC control voltage. Each of the distributed devices are configured with an internal power supply that is operative to generate an internal control voltage from either the DC control voltage or the DC bus voltage.
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