Partial Discharge Sensor for Switchgear

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Partial Discharge Sensor for Switchgear

TEV (Transient Earth Voltage) Sensor

Product Overview
Insulation defects caused by prolonged operation of power facilities including switchboards, power cables, and GIS are one of the main causes of power plant failure. Insulation defects result in partial discharge, which causes the insulation to deteriorate, resulting in power outage.

ISAAC-PDS-TEV-01 is a Transient Earth Voltage (TEV) sensor, which individually detects and monitors the transient ground voltage produced on the metal surface due to electromagnetic waves during partial discharge.




Application & HMI


• Precise partial discharge measurements and status diagnostics in real time using the TEV sensor.
• Reduce installation costs and time by allowing it to be installed while power is running.
• Convenient maintenance by attaching it to the surface of the power plant.


Detail Specs
Size(Φ x H) 55mm X 30mm
Connector Standard BNC or N-type (Female)
TEV Frequency Range 30MHz ~ 100MHz
TEV Measurement Range -20 ~ 60dbmV
TEV Measurement Accuracy ±1dbmV