Abstract |
In the paper, basic topologies of three-phase AC line conditioners have been specified and described, which
give the possibility of the conversion quality improvement in comparison to AC line conditioners with thyristor power
controllers applied universally as yet in industrial practice. Namely, the following circuits are presented: with thyristor
power controller and resonance passive filter or parallel active power filter, with PWM AC line power·controller, with
additional power displ~cement source and "intelligent" transformer power controller. Moreover basic properties of
these circuits have been specified and on the base of own research works their general estimation has been presented,
considering the conversion quality in relation to the AC line conditioner with an ideal transformer treated as a reference converter. |