15kVA/150kV Partial Discharge Measurement System Delivered

Public by:Jack Chang 2020-11-02 16:08

In electrical engineering, partial discharge (PD) is a localized dielectric breakdown (DB) (which does not completely bridge the space between the two conductors) of a small portion of a solid or fluid electrical insulation (EI) system under high voltage (HV) stress. While a corona discharge (CD) is usually revealed by a relatively steady glow or brush discharge (BD) in air, partial discharges within solid insulation system are not visible.

PD can occur in a gaseous, liquid or solid insulating medium. It often starts within gas voids, such as voids in solid epoxy insulation or bubbles in transformer oil. Protracted partial discharge can erode solid insulation and eventually lead to breakdown of insulation.

A partial discharge measurement system basically consists of:

a cable or other object being tested
a coupling capacitor of low inductance design
a high-voltage supply with low background noise
high-voltage connections
a high voltage filter to reduce background noise from the power supply
a partial discharge detector
PC software for analysis

EPPD-15kVA/150kV Partial Discharge Measurement System is consisted by below units:

1.PD Free Testing Control Table EPTC-15kVA 1 set
2.Gas Type PD Free Testing Transformer EPDW-15kVA/150kV 1 set
3.Isolation Transformer EPLB-15kVA 1 set
4.Coupling Capacitor FRC-150kV 1 set
5.Protective Resistor EPGR-150kV 1 set
6.PD Free Analyzer EPPD-S 1 set
(Including PD Free Calibrator & Impedance Units)

More details on Partial Discharge Measurement System EPPD, please contact EP Hipot Electric: tech@ephipot.com.