Patent ID: 8937826
Filing Date: 2015-01-20
Classification: G05F,H02J,H02M,Y02B,Y02P

Abstract:
1. A power converter apparatus, coupled to an electronic load and configured for driving the electronic load, the power converter apparatus comprising: a rectifier module coupled to an alternating-current power input; an active switch unit coupled between the rectifier module and the electronic load, two terminals of the active switch unit being shunt connected to two terminals of the electronic load; an input voltage detection module coupled between the rectifier module and the active switch unit for sampling out a sampled input voltage waveform; an output voltage detection module coupled between the active switch unit and the electronic load for sampling out a sampled output voltage waveform; a current detection module coupled to the active switch unit for sampling out a realistic input current waveform; and a digital processor module coupled to the input voltage detection module, the output voltage detection module, the current detection module and a controlling terminal of the active switch unit, the digital processor module generating a current reference command according to the sampled input voltage waveform and the sampled output voltage waveform, the digital processor module dynamically switching the active switch unit according to the current reference command and the practical input current waveform; wherein the digital processor module comprises: