Device for operating inverter and power system
AssigneeSanyo Electric Co., Ltd.
InventorsRyuzo Hagihara, Kenji Uchihashi, Takeo Ishida
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Abstract
A device for operating inverters according to the present invention can operate a plurality of inverters for converting DC output from a DC source such as a solar cell to AC output efficiently without relying on a particular inverter. The plurality of inverters are connected to the DC source through switches. DC output from a DC source is measured by a measuring device to determine the number of inverters to be operated on a basis of the output result from the measuring device. The inverters to be added or cut off are determined among the plurality of inverters at random on a basis of the random number and switches of the determined inverters are turned ON or OFF in order to select inverters to be operated.
Claims16
A device for operating inverters comprising:
- a plurality of inverters connected in parallel to a DC source, means for determining the number of inverters to be operated on a basis of AC output from said plurality of inverters or DC output from said DC source, and selection means for selecting said determined number of inverters to be operated with less operating time among said plurality of inverters.
A device for operating inverters comprising:
- a plurality of inverters connected in parallel to a DC source, means for determining the number of inverters to be operated on a basis of AC output from said plurality of inverters or DC output from said DC source, and selection means for selecting said determined number of inverters to be operated with less output amount among said plurality of inverters.
A power system having a DC source and a plurality of inverters connected in parallel to the DC source comprising:
- means for determining the number of inverters to be operated on a basis of AC output from said plurality of inverters or DC output from said DC source, and selection means for selecting said determined number of inverters to be operated with less operating time among said plurality of inverters, and wherein
- DC output from the DC source is converted to AC output to yield the AC output.
A power system having a DC source and a plurality of inverters connected in parallel to the DC source comprising:
- means for determining the number of inverters to be operated on a basis of AC output from said plurality of inverters or DC output from said DC source, and selection means for selecting said determined number of inverters to be operated with less output amount among said plurality of inverters, and wherein
- DC output from the DC source is converted to AC output to yield the AC output.
Dependencies are inferred from the claim text.