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Phenix Variable Frequency AC Resonant Test Systems for on-Site GIS Testing

VFRTS / VRTS

Variable Frequency AC Resonant Test Systems for on-Site GIS Testing

Variable Frequency Resonant Test Systems are generally used where a lightweight, transportable unit is a requirement. Primary application is GIS / GIL testing. Other test objects which are capacitive in nature such as cables.

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Phenix 100 kV AC high voltage test sets being commissioned for BPDB

Overview

Variable Frequency Resonant Test Systems are generally used where a lightweight, transportable unit is a requirement. Primary application is GIS / GIL testing. Other test objects which are capacitive in nature such as cables, generators, and motors may also be tested. Non-mobile systems for factory or laboratory use are also available. times, compared to conventional fixed-frequency RTS

A Variable Frequency Resonant Test System takes advantage of resonance theory. To achieve resonance, the capacitive reactance (test object) has to equal the inductive reactance (high voltage reactor). In a Variable Frequency Resonance System, the reactor is non-variable; therefore, the frequency of the circuit is adjusted until resonance is achieved. This adjustment of the resonant circuit is

commonly referred to as "tuning". Once resonance has been achieved only the resistive (real) losses in the circuit have to be supplied. The output voltage and the incoming power drawn from the mains is a function of the "Q" or quality factor of the circuit. The higher the system Q, the lower the incoming power requirement.

Key capabilities

  • Lightweight, transportable, easy to set-up
  • HV section power to weight ratio up to 4
  • Pure sinusoidal output voltage
  • Complies with IEC 60517, IEC 62271-203, and
  • Virtually maintenance free, no movable internal parts

Specification

Indicative specification for Phenix Variable Frequency AC Resonant Test Systems for on-Site GIS Testing

Indicative specification for guidance. Confirm the current manufacturer datasheet for the configuration being quoted.

Typical applications

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