| 摘要 |
PROBLEM TO BE SOLVED: To provide an estimated voltage data calculation device in which voltage variation of an AC power supply can be reflected on the estimated voltage data.SOLUTION: Estimated voltage data Vp(n+1) is calculated by the sum of voltage data Vi(n) and a differential value &Dgr;Vt(n). Consequently, in the estimated voltage data calculation processing, the voltage data can be estimated by simple and easy calculation processing, without using the calculation processing of a complex curve such as a sine wave. Furthermore, since the component of each term on the right side is a value calculated already, as shown by formula 2, the future voltage data of tn+1 in the sample timing tn can be predicted. |
