Ultra High Impedance Diagnostics of Electrostatic Accelerators with Improved Resolution
Date
2015
Authors
Lobanov, Nikolai
Linardakis, Peter
Tsifakis, Dimitrios
Tunningley, Thomas
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Joint Accelerator Conferences Website
Abstract
This contribution describes a new technique to diagnose faults with high-voltage components in electrostatic accelerators. The main applications of this technique are 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. 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 relative resistance deviation ΔR/R is kept below ±2.5% at the conclusion of maintenance procedures. In 2015 the technique was enhanced by increasing the test voltage from 40 V to 100 V. Experimental verification of the improved resolution was conducted during recent scheduled accelerator maintenance in May-June 2015.
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ULTRA HIGH IMPEDANCE DIAGNOSTICS OF ELECTROSTATIC
ACCELERATORS WITH IMPROVED RESOLUTION
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Conference paper
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2037-12-31
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