High voltage subnanosecond breakdown

John Mankowski; James Dickens; Magne Kristiansen

doi:10.1109/27.700858

High voltage subnanosecond breakdown

John Mankowski, James Dickens, Magne Kristiansen

Electrical and Computer Engineering

Research output: Contribution to journal › Article › peer-review

72 Scopus citations

Abstract

Present-day ultra-wideband radiation sources produce Megavolt pulses at hundreds of picosecond (ps) risetimes. Empirical data on the breakdown characteristics for dielectric media at these short time lengths and high voltages are either extremely limited or nonexistent. In support of the design of these ultra-wideband sources, we are investigating the breakdown characteristics, at these voltages and time lengths, of several liquids and high-pressure gases. These include air, N₂, H₂, SF₆, and transformer oil. Gap voltages attained were over 700 kV and gas pressures were over 150 atm (15 MPa). Breakdown times achieved were on the order of 600 ps. Electric field strengths observed for given breakdown times were higher than predicted by other investigators. An empirical fit is presented for the data obtained.

Original language	English
Pages (from-to)	874-881
Number of pages	8
Journal	IEEE Transactions on Plasma Science
Volume	26
Issue number	3
DOIs	https://doi.org/10.1109/27.700858
State	Published - 1998

Keywords

Capacitive divider
Gas breakdown
Marx bank
Nanosecond breakdown
Point-plane geometry
Subnanosecond breakdown
Transformer oil breakdown
Ultra-wideband

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10.1109/27.700858

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title = "High voltage subnanosecond breakdown",

abstract = "Present-day ultra-wideband radiation sources produce Megavolt pulses at hundreds of picosecond (ps) risetimes. Empirical data on the breakdown characteristics for dielectric media at these short time lengths and high voltages are either extremely limited or nonexistent. In support of the design of these ultra-wideband sources, we are investigating the breakdown characteristics, at these voltages and time lengths, of several liquids and high-pressure gases. These include air, N2, H2, SF6, and transformer oil. Gap voltages attained were over 700 kV and gas pressures were over 150 atm (15 MPa). Breakdown times achieved were on the order of 600 ps. Electric field strengths observed for given breakdown times were higher than predicted by other investigators. An empirical fit is presented for the data obtained.",

keywords = "Capacitive divider, Gas breakdown, Marx bank, Nanosecond breakdown, Point-plane geometry, Subnanosecond breakdown, Transformer oil breakdown, Ultra-wideband",

author = "John Mankowski and James Dickens and Magne Kristiansen",

note = "Funding Information: Manuscript received September 12, 1997; revised April 2, 1998. This paper was presented in part at the International Workshop on High Power Microwave Generation and Pulse Shortening, Edinburgh, U.K., June 1997. This work was supported by AFOSR/DOD MURI.",

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doi = "10.1109/27.700858",

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T1 - High voltage subnanosecond breakdown

AU - Mankowski, John

AU - Dickens, James

AU - Kristiansen, Magne

N1 - Funding Information: Manuscript received September 12, 1997; revised April 2, 1998. This paper was presented in part at the International Workshop on High Power Microwave Generation and Pulse Shortening, Edinburgh, U.K., June 1997. This work was supported by AFOSR/DOD MURI.

PY - 1998

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N2 - Present-day ultra-wideband radiation sources produce Megavolt pulses at hundreds of picosecond (ps) risetimes. Empirical data on the breakdown characteristics for dielectric media at these short time lengths and high voltages are either extremely limited or nonexistent. In support of the design of these ultra-wideband sources, we are investigating the breakdown characteristics, at these voltages and time lengths, of several liquids and high-pressure gases. These include air, N2, H2, SF6, and transformer oil. Gap voltages attained were over 700 kV and gas pressures were over 150 atm (15 MPa). Breakdown times achieved were on the order of 600 ps. Electric field strengths observed for given breakdown times were higher than predicted by other investigators. An empirical fit is presented for the data obtained.

AB - Present-day ultra-wideband radiation sources produce Megavolt pulses at hundreds of picosecond (ps) risetimes. Empirical data on the breakdown characteristics for dielectric media at these short time lengths and high voltages are either extremely limited or nonexistent. In support of the design of these ultra-wideband sources, we are investigating the breakdown characteristics, at these voltages and time lengths, of several liquids and high-pressure gases. These include air, N2, H2, SF6, and transformer oil. Gap voltages attained were over 700 kV and gas pressures were over 150 atm (15 MPa). Breakdown times achieved were on the order of 600 ps. Electric field strengths observed for given breakdown times were higher than predicted by other investigators. An empirical fit is presented for the data obtained.

KW - Capacitive divider

KW - Gas breakdown

KW - Marx bank

KW - Nanosecond breakdown

KW - Point-plane geometry

KW - Subnanosecond breakdown

KW - Transformer oil breakdown

KW - Ultra-wideband

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High voltage subnanosecond breakdown

Abstract

Keywords

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