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LIRA® - Line Resonance Analysis

Non-destructive low voltage technology to detect, localize and characterize subtle impedance changes in a cable system
LIRA® (Line Resonance Analysis) has been added to the Kinectrics’ portfolio of cable condition assessment services.
LIRA® is a non-destructive low voltage assessment technology which utilizes Frequency Domain Reflectometry (FDR) to detect, localize, and characterize subtle impedance changes in a cable system.
FDR is based on the interaction of electromagnetic waves with conductors and dielectric materials as they propagate along the cable. The technique uses the principles of transmission-line theory to locate and quantify impedance changes in the cable circuit. These impedance changes can result from connections, faults in the conductors, or degradation in the cable polymer material.  Used in conjunction with other advanced diagnostics, this tool can shed light on bulk (global) insulation condition, as well as localize defect identification.
Kinectrics is the leading provider of EHV/HV/MV/LV cable condition assessment services. Our comprehensive collection of advanced diagnostic tools is constantly evolving, providing our clients with continuous access to cutting edge technologies along with outstanding engineering know-how. 
Kinectrics’ uses technology independent Partial Discharge testing; the best and ever evolving sensing and acquisition technologies to pinpoint cable defects.
Kinectrics is the only service provider to offer a comprehensive array of tests in addition to Partial Discharge testing, such as Dielectric Loss Tangent Delta, Dielectric Spectroscopy, Time Domain Reflectometry and  Neutral Resistance Measurements.

About This Solution

Industry Sector

  • Transmission & Distribution

Nature of Service

  • Inspection
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  • Quality Assurance
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  • Testing - Lab Services

Client Assets

  • Cables

Kinetrics Facilities

  • Electrical Testing Facilities


  • Conductors
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  • impedance
  • |
  • cable condition assessment
  • |
  • Dielectric