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This work describes a 1 kW converter for distributed generation applications. It operates in stand alone mode, and grid connected mode with automatic power flow control. The converter presents three stages: high frequency inverter; bridge rectifier; and low frequency inverter. The converter has galvanic isolation and it operates with DC input voltages between 30V to 60V, providing output voltages...
The aim of this work is to propose a novel simple three level push-pull inverter topology. Some topologies with the same objective were already proposed, but they have at least two more switches. It turns push-pull into the same complexity level as full-bridge. Of course that it is not desirable, because simplicity is the great advantage of the push-pull. Other proposed solution consists in snubbers...
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