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Title: Resistive foil edge grading for accelerator and other high voltage structures

Abstract

In a structure or device having a pair of electrical conductors separated by an insulator across which a voltage is placed, resistive layers are formed around the conductors to force the electric potential within the insulator to distribute more uniformly so as to decrease or eliminate electric field enhancement at the conductor edges. This is done by utilizing the properties of resistive layers to allow the voltage on the electrode to diffuse outwards, reducing the field stress at the conductor edge. Preferably, the resistive layer has a tapered resistivity, with a lower resistivity adjacent to the conductor and a higher resistivity away from the conductor. Generally, a resistive path across the insulator is provided, preferably by providing a resistive region in the bulk of the insulator, with the resistive layer extending over the resistive region.

Inventors:
; ;
Issue Date:
Research Org.:
Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1133939
Patent Number(s):
8,749,949
Application Number:
13/285,996
Assignee:
Lawrence Livermore National Security, LLC (Livermore, CA) LLNL
DOE Contract Number:  
AC52-07NA27344
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
42 ENGINEERING

Citation Formats

Caporaso, George J., Sampayan, Stephen F., and Sanders, David M. Resistive foil edge grading for accelerator and other high voltage structures. United States: N. p., 2014. Web.
Caporaso, George J., Sampayan, Stephen F., & Sanders, David M. Resistive foil edge grading for accelerator and other high voltage structures. United States.
Caporaso, George J., Sampayan, Stephen F., and Sanders, David M. Tue . "Resistive foil edge grading for accelerator and other high voltage structures". United States. https://www.osti.gov/servlets/purl/1133939.
@article{osti_1133939,
title = {Resistive foil edge grading for accelerator and other high voltage structures},
author = {Caporaso, George J. and Sampayan, Stephen F. and Sanders, David M.},
abstractNote = {In a structure or device having a pair of electrical conductors separated by an insulator across which a voltage is placed, resistive layers are formed around the conductors to force the electric potential within the insulator to distribute more uniformly so as to decrease or eliminate electric field enhancement at the conductor edges. This is done by utilizing the properties of resistive layers to allow the voltage on the electrode to diffuse outwards, reducing the field stress at the conductor edge. Preferably, the resistive layer has a tapered resistivity, with a lower resistivity adjacent to the conductor and a higher resistivity away from the conductor. Generally, a resistive path across the insulator is provided, preferably by providing a resistive region in the bulk of the insulator, with the resistive layer extending over the resistive region.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2014},
month = {6}
}

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