AC current detecting device for inverter apparatus and AC current detecting method therefor

Year	Description
2002	Invention patented by Masahiro Hiraga, Junji Kato, Tetsuya Kimura, and Teiichi Furukawa on March 5th, 2002. Abstract: Establishing a current detection system good in accuracy allows implementation of a reduction in the size of an inverter apparatus good in current detection accuracy, even if the number of current sensors is reduced. A current sensor of a DC section and a current sensor corresponding to one phase of an output AC current are used, and means for determining switching patterns of DC main elements and determining a current component of Idc or means for detecting a maximum value of Idc is used, thereby determining an AC current value and a power factor angle.
Source: selected by the editor from original sources.

Invention: AC current detecting device for inverter apparatus and AC current detecting method therefor