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US 2014/0211512 A1Published application
Split phase synchronization of welder/cutter inverter modules for ripple improvement
AssigneeThermal Dynamics Corporation
InventorsSteven W. Norris, Roger M. Chamberlin, Michael Sawchik
Life of this patent
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Abstract
A modular power supply is provided. The modular power supply includes multiple inverters and a controller. Each inverter is configured to receive an input voltage and provide an output to a load. The controller is configured to provide a synchronization signal to each inverter of the plurality of inverters.
Claims16
A modular power supply comprising:
- a first module including a first converter and a first inverter, the first converter providing a first converter output to the first inverter;
- a second module including a second converter and a second inverter, the second converter providing a second converter output to the second inverter;
- and
- a controller providing a first synchronization signal to the first inverter and a second synchronization signal to the second inverter.
1 more element
A modular power supply comprising:
- a plurality of inverters configured to receive an input voltage and provide an output to a load;
- and
- a controller providing a synchronization signal to each inverter of the plurality of inverters, the controller determining a phase of each inverter such that each phase is equally spaced throughout a cycle.
Dependencies are inferred from the claim text.