Siemens Aktiengesellschaft

Paolo Malapelle

Peter W Hammond

Shelby Chun

James A Buckey

Grigoriy Puchkarev

Vance McMichael

Alan Wright

Peter Willard Hammond

Vance Mcmichael

A drive system () includes a plurality of power cells () supplying power to one or more output phases (A, B, C), each power cell () having multiple switching devices (-) incorporating semiconductor switches, and a control system () in communication with the plurality of power cells () and controlling operation of the plurality of power cells (), wherein the control system () includes a system on chip () with one or more central processing units () and a field programmable gate array () in communication with the one or more central processing units ().

Control system for medium voltage variable frequency drive

Embodiments of a bypass system for a multi-cell power supply are provided. An aspect includes a plurality of power cells, each of the plurality of power cells comprising a respective bypass device comprising one or more contactors. Another aspect includes a central control. Yet another aspect includes a fiber optic ring comprising a plurality of fiber optic links that connect the respective bypass device in each of the plurality of power cells and the central control in series, wherein the fiber optic ring starts and ends at the central control, and the central control is configured to communicate with the one or more contactors in the plurality of bypass devices via the fiber optic ring.

Fiber optic ring for bypass system in multi-cell power supply

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Monroeville, PA, United States of America

Paolo Malapelle