HIAT2015 - List of Authors (Linardakis, P.)

Paper	Title	Page
THM2C01	Ultra High Impedance Diagnostics of Electrostatic Accelerators with Improved Resolution	282
	N.R. Lobanov, P. Linardakis, D. Tsifakis, T. Tunningley Research School of Physics and Engineering, Australian National University, Canberra, Australian Capitol Territory, Australia
	This contribution describes new technique to diagnose faults with high-voltage components in electrostatic accelerators. The main application of this technique is non-invasive testing of high-voltage grading systems; measuring insulation resistance or; determining the volume and surface resistivity of insulation materials used in column posts and acceleration tubes. In addition, it allows verification of the continuity of the resistive divider assembly as a complete circuit. A simple and practical fault finding data interpretation procedure has been established based on simple concepts. As a result of efficient in-situ troubleshooting and fault elimination techniques, the maximum values of \|ΔR/R\| are kept below 2.5% at the conclusion of maintenance procedures. The 2015 and beyond acceptance margin was reduced further to below 1% by increasing the test voltage from 40 V to 100 V. The experimental verification of improved resolution has been conducted during recent scheduled accelerator maintenance in May-June 2015 when few unique fault categories have been identified by the ultra-high impedance technique.
	Slides THM2C01 [9.209 MB]
Export •	reference for this paper to ※ BibTeX, ※ LaTeX, ※ Text, ※ RIS/RefMan, ※ EndNote (xml)

Paper

Title

Page

Ultra High Impedance Diagnostics of Electrostatic Accelerators with Improved Resolution

282

N.R. Lobanov, P. Linardakis, D. Tsifakis, T. Tunningley
Research School of Physics and Engineering, Australian National University, Canberra, Australian Capitol Territory, Australia

This contribution describes new technique to diagnose faults with high-voltage components in electrostatic accelerators. The main application of this technique is non-invasive testing of high-voltage grading systems; measuring insulation resistance or; determining the volume and surface resistivity of insulation materials used in column posts and acceleration tubes. In addition, it allows verification of the continuity of the resistive divider assembly as a complete circuit. A simple and practical fault finding data interpretation procedure has been established based on simple concepts. As a result of efficient in-situ troubleshooting and fault elimination techniques, the maximum values of |ΔR/R| are kept below 2.5% at the conclusion of maintenance procedures. The 2015 and beyond acceptance margin was reduced further to below 1% by increasing the test voltage from 40 V to 100 V. The experimental verification of improved resolution has been conducted during recent scheduled accelerator maintenance in May-June 2015 when few unique fault categories have been identified by the ultra-high impedance technique.

Slides THM2C01 [9.209 MB]

Export •

reference for this paper to ※ BibTeX, ※ LaTeX, ※ Text, ※ RIS/RefMan, ※ EndNote (xml)