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                                                                                   | b2 High Voltage | VLF High Voltage HVA Series | HVA120


VLF High Voltage Test Set
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  VLF High Voltage HVA Series
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   HVA120 Specifications
   Additional Features
   ●  The powerful output is capable of
        driving capacitive loads of up to 5F
   ●  At maximum output voltage cables
       with a length of up to 33km can be
   ●  The HVA120 may be expanded
       with optional devices to a full cable
       diagnostic system




The HVA120 insulation tester by b2hv is a powerful 0.1 Hz VLF cable test system for testing medium-voltage cables. It is well known that DC testing of aged extruded cable such as XLPE and EPR is potentially damaging to the cable insulation, causing premature failure of the cable under service conditions. In addition, DC "proof" or hipot testing has been found to be effective in detecting serious defects in cables. Since this is the main objective of any hipot test, and due to the negative side effects of DC, VLF AC waveform testing is now recommended by almost all cable testing standards.


   ●  Predefined standard-compliant cable test sequences
   ●  Symmetrical sine wave high voltage
   ●  RMS measurement of output voltage and current
   ●  Measurement of capacitance and resistive load.
   ●  Automatic and load dependent frequency selection (0.01Hz to 0.1Hz)
   ●  Display of current test time.
   ●  Integrated real-time scope function.
   ●  Self-explanatory, multilingual software
   ●  Large output load capability (up to 5F)
   ●  Automatic measurement reporting
   ●  Report storage (HVA Control Center) for data analysis and storage
   ●  Flashover detection and ultra fast switch off. Flashover voltage measurement
   ●  Time optimized burning mode. No regular maintenance required. 
   ●  The HVA120 cable tester is a portable 0.1Hz VLF cable test system for testing of medium and high voltage cables.
   ●  With it's weight of 181kg the hipot tester provides an excellent power-to-weight-ratio.
   ●  The HVA120 cable tester offers various operating modes: cable testing, cable sheath/jacket testing, .
       cable fault conditioning (burning), vacuum bottle test
   ●  The HVA system may then be used for partial discharge measurement.

Acceptance or maintenance hipot/proof testing using VLF high voltage sinusoidal AC allows the operator to efficiently detect serious cable insulation defects, before they result in an in-service failure, without affecting those healthy sections of the cable that still have remaining service life.

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