Signal processor, filter, control circuit for power converter circuit, interconnection inverter system and PWM converter system

摘要

A signal processor is configured to perform a process equivalent to performing a series of fixed-to-rotating coordinate conversion, a predetermined process and then rotating-to-fixed coordinate conversion, while maintaining linearity and time-invariance. The signal processor performs a process given by the following matrix G: G = F s + j É 0 + F s - j É 0 2 F s + j É 0 - F s - j É 0 2 j - F s + j É 0 - F s - j É 0 2 j F s + j É 0 + F s - j É 0 2
where F(s) is a transfer function representing the predetermined process, É 0 is a predetermined angular frequency and j is the imaginary unit.