Surface Wave Based Non-conductor-contact Reflectometry Method for Insulation and Jacket Damage Detection in Multi-Conductor Cables

This paper presents a non-conductor-contact surface wave reflectometry technique to locate insulation and jacket damage on multi-conductor cables at a distant location from the sensor. Simulation studies were conducted using Ansys high frequency structure simulator (HFSS). A GHz range surface wave l...

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Bibliographic Details
Main Authors: Arman, Ahmed S., Glass, Samuel W., Fifield, Leonard S., Ali, Mohammod
Format: Conference Proceeding
Language:English
Subjects:
Attenuation
Cable insulation
Conductors
Conferences
frequency domain reflectometry
insulation damage
Microwave theory and techniques
multi-conductor cable
non-intrusive
nondestructive evaluation (NDE)
Reflectometry
surface wave
Surface waves
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Description
Summary:This paper presents a non-conductor-contact surface wave reflectometry technique to locate insulation and jacket damage on multi-conductor cables at a distant location from the sensor. Simulation studies were conducted using Ansys high frequency structure simulator (HFSS). A GHz range surface wave launcher was employed such that maximum surface wave energies were confined in the insulation layer while minimizing attenuation. The wave launcher can potentially be mounted on the outer surface of live cables or cable conduits and requires no physical connection to the conductors. Multiple simulations involving a 4 GHz wave launcher and a three-conductor cable with an 8 mm outer diameter were carried out demonstrating the efficacy of the proposed method. Water leak and different types of insulation/jacket damage were simulated and detected.
ISSN:2576-6791
DOI:10.1109/EIC51169.2022.9833167