| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an inverter device capable of eliminating necessity of a measuring instrument on the output side of the inverter device and attaining high safety. <P>SOLUTION: The inverter device includes: an electric power display 16 for displaying an output power value output from the inverter device 1; an input voltage detector 10 for detecting an input voltage value into the inverter device 1; an input current detector 9 for detecting an input current value into the inverter device 1; a recorder 15 that memorizes a correction formula for calculating the output power value from the input voltage value and the input current value; and a calculator 14 for calculating an AC power value from the input voltage value, the input current value, and the correction formula. Calculation of the output power of the inverter device from the input voltage and the output voltage of the inverter device can eliminate necessity of a measuring instrument of the output power of the inverter device, thus achieving high safety. <P>COPYRIGHT: (C)2011,JPO&INPIT |
