PHOTOVOLTAIC ARRAY EMULATORS
First Claim
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1. A photovoltaic (PV) array emulator comprising:
- a multi-stage power converter for providing a DC output; and
,a controller coupled to said multi-stage power converter, said controller configured to control operation of said multi-stage power converter as a function of an output current of said multi-stage power converter, an output voltage of said multi-stage power converter, and a PV array model.
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Abstract
Photovoltaic (PV) array emulators and methods are described. In one example, a method for use in testing a PV inverter includes coupling a first PV inverter to an alternating current (AC) power source. A second PV inverter is coupled to receive an output of the first PV inverter. The first PV inverter is operated to emulate a PV array and provide a DC power output to the second PV inverter.
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Citations
20 Claims
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1. A photovoltaic (PV) array emulator comprising:
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a multi-stage power converter for providing a DC output; and
,a controller coupled to said multi-stage power converter, said controller configured to control operation of said multi-stage power converter as a function of an output current of said multi-stage power converter, an output voltage of said multi-stage power converter, and a PV array model. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A photovoltaic (PV) array emulator comprising:
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a PV inverter configured to provide an AC output from a DC input; and
,a controller coupled to said PV inverter, said controller configured to operate said PV inverter in an inverter mode to provide an AC output from a DC input and configured to operate said PV inverter in an emulator mode to provide a DC output from an AC input. - View Dependent Claims (12, 13, 14, 15)
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16. A method for use in testing a photovoltaic (PV) inverter, said method comprising:
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coupling a first PV inverter to an AC power source; coupling a second PV inverter to receive an output of the first PV inverter; and
,operating the first PV inverter to emulate a PV array and provide a DC power output to the second PV inverter. - View Dependent Claims (17, 18, 19, 20)
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Specification