The HVPD20 multifunctional partial discharge tester is used for on-line detection and location of partial discharge of HV equipment.
The unit is equipped with composite TEV sensors, ultrahigh frequency sensors, Highfrequency current transformers and high sensitivity ultrasonic sensors to collect partial discharge signals on high voltage equipment.
The unit uses multilevel detection frequency reduction techniques to reduce the discharge frequency of the signals, meantime using highspeed AD conversion circuit to complete the signal digitization, also by using digital signal processing, adaptive filtering interference signal processing methods to ensure the reliability of the testing data.
By collecting different signals produced from the partial discharge in different high equipment, the equipment operation status can be detected rapidly.
The tester can be installed for detection with equipment operation and without any effect to the equipment operation.
This unit helps make evaluation timely for the switchgear cabinet operation status, and thus greatly improve the equipment operation reliability and safety
