Professionally provide partial discharge testing services
for high-voltage equipment
Partial discharge detection can be performed with various partial discharge sensors, such as high frequency current sensor (HFCT), transient ground potential sensor (TEV), capacitive coupling sensor (CC), ultra high frequency sensor (UHF), ultrasonic (AA non-contact and AE contact type).
The partial discharge detection system can perform various types of high-voltage equipment, such as: gas-insulated switchgear (GIS), oil-immersed transformers, switchboards and die-cast transformers, high-voltage cables (including cable heads, cable splice boxes), busbars, motors and generators, etc.
The partial discharge detection system and the associated sensor conform to the specifications of IEC 60270 and IEC 62478.
Gas Insulated Switch (GIS): Metal Contamination in Gas Chamber
Oil-immersed transformer: poor construction of the inner lead of the bushing
Detection of High voltage plate (used AA+/TEV/UHF+HFCT sensors)
Partial discharge detection of high-voltage disc current collector (CT)
Die-cast transformer-transient ground potential sensor (TEV) + high-frequency current surge sensor (HFCT)
Photos of detection cases: Partial discharge of die-cast transformer
Detection of High voltage cable
Photos of detection cases: High voltage cables
Detection of High voltage motor
