Rockwell Automation Technologies Incorporated

Jeremy Jon Keegan

Bruce W Weiss

Yogesh Popatlal Patel

Rangarajan M Tallam

Scott Duane Day

Lixiang Wei

Steven C Kaishian

Michael William Loth

William K Siebert

Doyle F Busse

Abdolmehdi Kaveh Ahangar

Neil Gollhardt

John Balcerak

Patrick J Riley

Glenn T Siracki

James A Ulrich

Robert Michael Michalski

James Allen Carter

Christian S Sartler

Robert Allen Savatski

Kim James Rosswurm

Amanda D Steven

Scott D Day

Joseph N Heinrich

Bruce William Weiss

John A Balcerak

Power conversion systems and filters therefor include conductive busbars, a first low frequency capacitor circuit coupled with the busbars at a first location proximate a filter input, a first inductor circuit with common mode cores extending around the busbars at a second location between the first location and a filter output, a second low frequency capacitor circuit coupled with the busbars at a third location between the second location and the filter output, a second inductor circuit with second common mode cores extending around the busbars at a fourth location between the third location and the filter output, a third low-frequency capacitor circuit coupled with the busbars at a fifth location between the fourth location and the filter output, and a high frequency fourth capacitor circuit, coupled with one of the busbars at the fifth location.

Power conversion system and filter therefor

A cart is provided four extracting modular components from enclosures, and for inserting such components into enclosures. The cart may be specifically adapted for components of certain sizes and configurations. It may be used, for example, for extracting power electronic modular components from an electrical enclosure. The cart includes a support structure and an upright structure on which a carriage is movable. The carriage has elements that can extend below the modular component, to secure to the modular component, and to raise the modular component for extraction. Some or all of the interconnected elements of the cart may be foldable and collapsible for ease of storage and transport.

Electronic module removal and insertion cart

Bus connector system

An electrical bus assembly includes a frame and a plurality of bus bar carriers connected to the frame. The bus bars are supported by the bus bar carriers in parallel spaced-apart relation. A first retainer cap is secured to a first one of the plurality of bus bar carriers located adjacent a first end of the frame. A second retainer cap is secured to a second one of the plurality of bus bar carriers located adjacent a second end of the frame. The first and second retainer caps limit axial movement of the bus bars relative to the plurality of carriers sufficiently to prevent escape of the bus bars from the carriers. A bus bar connector is also disclosed for supplying power to or from the bus bars. An electrical bus system includes a first and second bus bar assemblies and a jumper connector assembly.

Multi-drive common control bus connector system

Systems and methods are provided for pre-charging the DC bus on a motor drive. Pre-charging techniques involve pre-charge circuitry including a manual switch, an automatic switch, and pre-charge control circuitry to switch the automatic switch between pre-charge and pre-charge bypass modes in response to an initialized pre-charge operation, input voltage sags, and so forth. In some embodiments, the pre-charge operation may be initialized by switching the manual switch closed. In some embodiments, the pre-charge operation may also be initialized by a detected voltage sag on the DC bus. The pre-charge circuitry may also be configured to disconnect to isolate a motor drive from the common DC bus under certain fault conditions.

DC pre charge circuit

Systems, methods, and devices are provided for coupling a direct current (DC) pre-charging circuit to a motor drive. In one embodiment, an industrial automation device may include an enclosed module that may include a pre-charge circuit. The pre-charge circuit may pre-charge a direct current (DC) bus. Further, the DC bus may couple to an inverter. The enclosed module may also include a power input that may couple the pre-charge circuit to a DC power source and an electrical output structure that may couple the pre-charge circuit to the inverter. Additionally, the pre-charge circuit may be removeably coupled to the inverter and the DC power source via a sliding action of the enclosed module.

Systems and methods for manufacturing a pre-charge circuit module

A motor drive unit including an enclosure, a bus bar supported by the enclosure, at least one modular power unit, and a flexible connector for electrically coupling the modular power unit with the bus bar. The flexible connector includes mating male and female connector portions each mounted to a respective one of the bus bar and the modular power unit, the connector portion mounted to the modular power unit being supported by a housing mounted to the modular power unit for movement relative thereto.

Flexible electrical power connection

Cooling systems include a first passageway forming member that includes first and second ends and at least one connecting recess that opens into first and second passageways formed by the first passageway forming member. A second passageway forming member includes first and second ends and inlet and outlet ports proximate the first end such that the first end, including an elastomeric seal and the inlet and outlet ports, is sealably insertable in and removable from the at least one connecting recess, where the inlet port opens into the first passageway and the outlet port opens into the second passageway, and where, when the first end is inserted in the at least one connecting recess, the elastomeric seal is sandwiched between and in substantial contact with both the first end and the first passageway forming member.

Modular liquid cooling system

DC pre-charge circuit

AC pre-charging techniques are provided for pre-charging the DC bus on a motor drive. AC pre-charging techniques involve pre-charge circuitry including a manual switch, an automatic switch, and pre-charge control circuitry to switch the automatic switch between pre-charge and pre-charge bypass modes in response to an initialized pre-charge operation, input voltage sags, etc. In some embodiments, the pre-charge operation may be initialized by switching the manual switch closed. In some embodiments, the pre-charge operation may also be initialized by a detected voltage sag on the DC bus. The pre-charge circuitry may also be configured to disconnect a motor drive from the AC power supply under certain fault conditions.

AC pre-charge circuit

A magnetic device mounting system is disclosed, such as for use in electrical cabinets for distribution of power via power bus bars. The system includes a common mode magnetic device that has an opening configured to receive extensions of a set of parallel bus bars. A non-conductive support is provided, along with a conductive extension, the non-conductive support and extension being configured to coordinate to engage the opening and to support the common mode magnetic device via attachment to the bus bar.

Common mode magnetic device for bus structure

A bus interconnect in accordance with present embodiments includes a via block having first and second interfaces separated by a conductive body, wherein the via block is configured to communicatively couple with a first bus through the first interface and wherein the conductive body is configured to extend through an opening in a bus support panel. A first coupling section of the jumper includes a first attachment feature, wherein the first attachment feature is configured to facilitate attachment with the second interface of the via block. A neck section of the jumper extends perpendicularly from the first coupling section, and a second coupling section of the jumper extends perpendicularly from the neck section in parallel with the first coupling section. The second coupling section includes a second attachment feature configured to facilitate attachment with a second bus. The first coupling section and the second coupling section each extend away from the neck section in different directions.

Bus to bus power interconnect

The present disclosure is generally directed to efficiently cooling converter and inverter components of a drive system. Present techniques relate to a motor drive duct system that facilitates efficient cooling and access to motor drive components. The motor drive duct system includes duct channel paths that are parallel and adjacent to one another. The duct system includes a converter section that houses a converter heat sink, an inverter section that houses an inverter heat sink, an exhaust section, and an air inlet section. The converter section and the inverter section are configured to be attached and detached from each other at end sections that are angled to receive one another. Further, the inverter section, converter section, and air inlet section are configured to roll into and out of a cabinet, which facilitates access to field wiring.

Growing community of inventors

Kewaskum, WI, United States of America

Jeremy Jon Keegan