Power quality disturbance and design of on-line monitoring device

Power quality monitoring online access to grid electricity is the only way to quality information.The introduction of power quality on the basis of the basic concepts,in this paper,power quality disturbance conducts a detailed classification.Against the power quality disturbances basic characteristics,this paper proposes centralized distributed power quality disturbance on-line monitoring system program.The core components and systems that power quality on-line monitoring instrument are designed and developed.