Variable Frequency Series Resonant Test Transformer

These Variable Frequency Series Resonant Test Transformer for testing of long HV cables and GIL, for testing of short HV cables and GIS/GIL and for testing of long MV cables are designed for the generation of alternating current (AC) high voltage (HV) by resonant circuits with variable frequency, available of outdoor design.
Application:
On-site testing of XLPE terrestrial and submarine cables according to IEC 60840 and IEC 62067
On-site testing of GIS according to IEC 60517 and IEC 62271-203.
On-site testing of transformer according to IEC 60076-3
Withstand voltage testing
Partial discharge measurements
Main components
HV reactors
Control and feeding unit
Exciter transformer
HV measuring system
Additional features and accessories
Devices for series and/or parallel connection of HV reactors
Resonant circuits with fixed frequency 50/60 Hz
compensation of capacitance
Partial discharge (PD) measuring system including blocking impedance
Compressed gas capacitor
Capacitance and dissipation factor measuring instrument
HV impulse test systems for LI, SI, OLI, OSI
Made solution upon customer's request.