公开(公告)号：US12272932B2

公开(公告)日：2025-04-08

申请号：US17956525

申请日：2022-09-29

Applicant: ROCKWELL AUTOMATION TECHNOLOGIES, INC.

Inventor： James E. Widen, Jr. ,  Brian P. Brown

IPC: H02B1/20 ,  G01R31/52 ,  H02J3/38 ,  H02J3/40 ,  H02J13/00 ,  H04L7/00

Abstract: A power supply system includes modular power supply modules interconnected via a wire harness. The power supply system can be installed in one or more electrical cabinets in a manufacturing facility, for example, among other possible applications. The wire harness includes a fault bus and a synchronization bus, and the individual power supply modules detect and report faults as well as synchronize operation, such as pre-charging, via communication using the wire harness.

公开(公告)号：US20230327459A1

公开(公告)日：2023-10-12

申请号：US17956554

申请日：2022-09-29

Applicant: ROCKWELL AUTOMATION TECHNOLOGIES, INC.

Inventor： James E. Widen, Jr. ,  Brian P. Brown

IPC: H02J3/40 ,  H02J3/38 ,  H02J13/00

CPC classification number: H02J3/40 ,  H02J3/381 ,  H02J13/00016 ,  H04L7/0075

Abstract: A power supply circuit for use with a power supply system. The power supply circuit can be provided within a power supply module connected with one or more additional power supply modules as part of the power supply system. The power supply circuit includes an optocoupler and a resistor ladder connected to the optocoupler. The circuit asserts a synchronization signal responsive to the optocoupler being energized.

公开(公告)号：US20230327408A1

公开(公告)日：2023-10-12

申请号：US17956525

申请日：2022-09-29

Applicant: ROCKWELL AUTOMATION TECHNOLOGIES, INC.

Inventor： James E. Widen, JR. ,  Brian P. Brown

IPC: H02B1/20 ,  G01R31/52

CPC classification number: H02B1/202 ,  G01R31/52

Abstract: A power supply system includes modular power supply modules interconnected via a wire harness. The power supply system can be installed in one or more electrical cabinets in a manufacturing facility, for example, among other possible applications. The wire harness includes a fault bus and a synchronization bus, and the individual power supply modules detect and report faults as well as synchronize operation, such as pre-charging, via communication using the wire harness.

公开(公告)号：US10955489B2

公开(公告)日：2021-03-23

申请号：US16601959

申请日：2019-10-15

Applicant: Rockwell Automation Technologies, Inc.

Inventor： Rangarajan M. Tallam ,  Jiangang Hu ,  Brian P. Brown

IPC: G01R27/18 ,  G01R31/50 ,  H02M5/458 ,  G01R31/40 ,  B60L3/12 ,  H02H3/16 ,  B60L3/00 ,  B60L3/04 ,  H02H7/12

Abstract: Power conversion systems, disclosed examples include power conversion systems, ground fault detection apparatus and methods to detect and identify ground faults in a power conversion system using AC coupling to sense a system voltage to determine a leakage flux linkage, and to identify a faulted converter phase based on a phase shift angle of the leakage flux linkage.

公开(公告)号：US10784797B1

公开(公告)日：2020-09-22

申请号：US16445529

申请日：2019-06-19

Applicant: Rockwell Automation Technologies, Inc.

Inventor： Willy E. Sedano ,  Peizhong Yi ,  Brian P. Brown ,  Lixiang Wei

IPC: H02M7/538 ,  H02M7/5387 ,  H02M1/084

Abstract: A power conversion system includes a controller that generates switching control signals according to duty cycles for a current switching control cycle, and adjusts the duty cycles by a non-zero offset value according to a modulation index in response to the modulation index exceeding a non-zero threshold. A method includes computing first duty cycles according to a modulation index, generating a plurality of switching control signals according to the first duty cycles in response to the modulation index being less than or equal to a non-zero threshold, computing second duty cycles offset from the first duty cycles and generating the plurality of switching control signals according to the second duty cycles in response to the modulation index exceeding the non-zero threshold.

公开(公告)号：US20200041559A1

公开(公告)日：2020-02-06

申请号：US16601959

申请日：2019-10-15

Applicant: Rockwell Automation Technologies, Inc.

Inventor： Rangarajan M. Tallam ,  Jiangang Hu ,  Brian P. Brown

IPC: G01R31/02 ,  H02M5/458 ,  G01R31/40 ,  B60L3/12 ,  H02H3/16 ,  B60L3/00 ,  B60L3/04

Abstract: Power conversion systems, disclosed examples include power conversion systems, ground fault detection apparatus and methods to detect and identify ground faults in a power conversion system using AC coupling to sense a system voltage to determine a leakage flux linkage, and to identify a faulted converter phase based on a phase shift angle of the leakage flux linkage.