Mobile power quality analyzer

The utility model relates to a mobile power quality analyzer, and belongs to the technical field of power quality real-time monitoring. The analyzer comprises a main control unit, a data collection unit, a communication unit and a display unit, wherein a signal output end of the main control unit is connected with a signal input end of the communication unit and a signal input end of the display unit, a signal input end of the main control unit is connected with a signal output end of the communication unit and a signal output end of the data collection unit, the data collection unit is provided with a current sensor and a voltage division circuit used for collection voltage, and the communication unit is connected with a master station of an existing power system. The mobile power quality analyzer adopts a non-interrupted mode to collect power quality data, and can carry out real-time monitoring on the power quality portably and flexibly.