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US 7,339,287 B2Granted
Power converter
AssigneePowerLynx A/S
InventorsAksel Baagoe Jepsen, Nils-Ole Harvest, Uffe Vikoeren Borup
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AssigneePowerLynx A/S
InventorsAksel Baagoe Jepsen, Nils-Ole Harvest, Uffe Vikoeren Borup
Estimating the term…
A power converter for converting energy from a green power unit as e.g. a solar cell into energy fed into the commercial grid is described. The object is to provide a versatile modularized power converter with eased access to control of the power switches. Another object is to improve the electrical efficiency. This is achieved by using an independent controller on a DC/DC module and an independent controller on a DC/AC module, whereby the two independent controllers communicate with each other and the outside world by means of a communication bus. Further, the DC/DC module of the power converter comprises a transformer which transfers energy from the DC/DC module to the DC/AC module. This design enables independent control of the modules and eases controllability of the power switches in order to suppress retroaction from pulsations generated on the mains when supplying energy to a single phase grid. Hereby the electrical efficiency of the power converter is increased. Also, an active snubber circuit is described which further increase the efficiency.
A power converter for transforming energy from a green power unit into energy fed to a grid, the power converter comprising a DC/DC-converter which forms a first module and a DC/AC-inverter which forms a second module, wherein the first module comprises a first controller and power switches controlled by said first controller, that the second module comprises a second controller and power switches controlled by said second controller, that the first and second controller perform communication with each other via a communication bus and that the first module further comprises a transformer connected to the corresponding switches, said transformer transferring energy to the second module;
A power converter for transforming energy from a green power unit into energy fed to a grid, the power converter comprising a DC/DC-converter which forms a first module and a DC/AC-inverter which forms a second module, wherein the first module comprises a first controller and power switches controlled by said first controller, that the second module comprises a second controller and power switches controlled by said second controller, that the first and second controller perform communication with each other via a communication bus and that the first module further comprises a transformer connected to the corresponding switches, said transformer transferring energy to the second module;
A power converter for transforming energy from a green power unit into energy fed to a grid, the power converter comprising a DC/DC-converter which forms a first module and a DC/AC-inverter which forms a second module, wherein the first module comprises a first controller and power switches controlled by said first controller, that the second module comprises a second controller and power switches controlled by said second controller, that the first and second controller perform communication with each other via a communication bus and that the first module further comprises a transformer connected to the corresponding switches, said transformer transferring energy to the second module;
A power converter for transforming energy from a green power unit into energy fed to a grid, the power converter comprising a DC/DC-converter which forms a first module and a DC/AC-inverter which forms a second module, wherein the first module comprises a first controller and power switches controlled by said first controller, that the second module comprises a second controller and power switches controlled by said second controller, that the first and second controller perform communication with each other via a communication bus and that the first module further comprises a transformer connected to the corresponding switches, said transformer transferring energy to the second module;
A power converter for transforming energy from a green power unit into energy fed to a grid, the power converter comprising a DC/DC-converter which forms a first module and a DC/AC-inverter which forms a second module, wherein the first module comprises a first controller and power switches controlled by said first controller, that the second module comprises a second controller and power switches controlled by said second controller, that the first and second controller perform communication with each other via a communication bus and that the first module further comprises a transformer connected to the corresponding switches, said transformer transferring energy to the second module;
A power converter for transforming energy from a green power unit into energy fed to a grid, the power converter comprising a DC/DC-converter which forms a first module and a DC/AC-inverter which forms a second module, wherein the first module comprises a first controller and power switches controlled by said first controller, that the second module comprises a second controller and power switches controlled by said second controller, that the first and second controller perform communication with each other via a communication bus and that the first module further comprises a transformer connected to the corresponding switches, said transformer transferring energy to the second module;
A power converter for transforming energy from a green power unit into energy fed to a grid, the power converter comprising a DC/DC-converter which forms a first module and a DC/AC-inverter which forms a second module, wherein the first module comprises a first controller and power switches controlled by said first controller, that the second module comprises a second controller and power switches controlled by said second controller, that the first and second controller perform communication with each other via a communication bus and that the first module further comprises a transformer connected to the corresponding switches, said transformer transferring energy to the second module;
A power converter for transforming energy from a green power unit into energy fed to a grid, the power converter comprising a DC/DC-converter which forms a first module and a DC/AC-inverter which forms a second module, wherein the first module comprises a first controller and power switches controlled by said first controller, that the second module comprises a second controller and power switches controlled by said second controller, that the first and second controller perform communication with each other via a communication bus and that the first module further comprises a transformer connected to the corresponding switches, said transformer transferring energy to the second module;
A power converter for transforming energy from a green power unit into energy fed to a grid, the power converter comprising a DC/DC-converter which forms a first module and a DC/AC-inverter which forms a second module, wherein the first module comprises a first controller and power switches controlled by said first controller, that the second module comprises a second controller and power switches controlled by said second controller, that the first and second controller perform communication with each other via a communication bus and that the first module further comprises a transformer connected to the corresponding switches, said transformer transferring energy to the second module;
Dependencies are inferred from the claim text.