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UNFOLDER INVERTER GENERATOR
The PV energy system according to claim 1, further comprising a stiffening capacitor between the PV generator and the converter, the stiffening capacitor configured together with converter to generate the pulsating current.ġ0. The PV energy system according to claim 7, wherein the non-sinusoidal utility grid voltage comprises a representation of the utility grid voltage based on the pulsating bus voltage.ĩ. The PV energy system according to claim 1, wherein the pulsing current is proportional to an absolute value of a filtered version of the utility grid voltage in response to a non-sinusoidal utility grid voltage and whose amplitude is defined by the available power from the PV generator and the amplitude of the utility voltage.Ĩ. The PV energy system according to claim 1, wherein the pulsing current comprises a fundamental component that is proportional to a fundamental component of the utility grid voltage waveform and whose amplitude is defined by the available power from the PV generator and the amplitude of AC voltage.ħ. The PV energy system according to claim 1, wherein the pulsing current is proportional to a filtered version of the pulsating bus voltage in response to a non-sinusoidal utility grid voltage and whose amplitude is defined by the available power from the PV generator and the amplitude of AC voltage.Ħ. The PV energy system according to claim 1, wherein the pulsing current is proportional to the pulsating bus voltage in response to a non-sinusoidal utility grid voltage and whose amplitude is defined by the available power from the PV generator and the amplitude of AC voltage.ĥ. The PV energy system according to claim 1, wherein the pulsing current is proportional to an absolute of a utility grid AC voltage in response to a utility grid voltage that is non-sinusoidal and whose amplitude is defined by the available power from the PV generator and the amplitude of AC voltage.Ĥ. The PV energy system according to claim 1, wherein the pulsing current is defined by a haver-sine waveform that is proportional to an absolute value of a utility grid AC voltage in response to an AC utility grid voltage that is not purely sinusoidal and whose amplitude is defined by the available power from the PV generator and the amplitude of AC voltage.ģ. A photovoltaic (PV) energy system comprising: a pulsating bus defined by a non-zero average value voltage that is proportional to a rectified utility grid AC supply voltage at least one PV module comprising a PV generator with a converter configured to convert a PV voltage into a pulsing current that is injected into the pulsing bus and a current unfolding circuit configured to control the polarity of AC current injected into the utility grid in response to the injected pulsing current such that power generated by the at least one PV module is transferred to the utility grid.Ģ.