METHOD OF CALCULATING VOLTAGE AND POWER OF LARGE-SCALED PHOTOVOLTAIC POWER PLANT
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United States of America Patent
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Issued Date -
Aug 4, 2016
app pub date -
Jan 31, 2016
filing date -
Jan 30, 2015
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Abstract
A method of calculating voltage and power of large-scaled photovoltaic power plant includes following steps. Environment models of varies locations within the photovoltaic power plant are obtained. A photovoltaic display model is established by establishing a photovoltaic cell model, combining the photovoltaic cell model with the environment models, determining a combination of the environmental data on photovoltaic panels and the photovoltaic cell model, and determining a quantitative relationship between a photovoltaic cell power generation state and photovoltaic environment. An inverter model is obtained by modeling inverters connected to photovoltaic cells. A grid-side model is obtained. An electrical energy and voltage forecast model is constructed by integrated the photovoltaic display model, the inverter model, and the grid-side model. An energy output and a voltage quality of the photovoltaic power plant is calculated by detecting voltage and current of the electrical energy and voltage forecast model.
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