| 摘要 |
The present invention relates to a single operation detecting apparatus for a parallel distribution power source. According to an embodiment of the present invention, provided is the single operation detecting apparatus for the parallel distribution power source, capable of minimizing the degradation of power quality. The single operation detecting apparatus for the parallel distribution power source according to the embodiment of the present invention includes: an inverter which converts a DC voltage into an AC voltage, a 3 phase/2 phase converter, a phase locked loop, a filter, a phase controller which generates a current phase reference value, a half cycle transmitting unit which outputs the current phase reference value for detecting the single operation, a current reference coordinate converter, a current phase operator which outputs a current phase control value, a current amplitude operator which outputs a current amplitude control value, a current controller which generates a current control signal, an output 3 phase converter, and a PWM controller which outputs a PWM control signal to the inverter. |
