MV Long Pulse Generator With Low Ripple And Low Droop

Jaitly, N.C.; Coleman, M.; Eckhouse, S.; Ramrus, A.; Gold, Steven H.; McCowan, R. B.; Sullivan, C. A.

doi:10.1109/ppc.1991.733257

Cited by 10 publications

(3 citation statements)

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“…The conventional Marx generator [1][2][3] has been used successfully for many years as a source of high voltage in a number of research applications. For example, it has been used as the basic energy-storage unit in z-pinch experiments [4] and flash radiography [5].…”

Section: Introductionmentioning

confidence: 99%

“…This requires an increase in the capacity of the Marx generator which can adversely affect the repetition rate of the generator and the lifetime of components. Also, a long wavetail may be detrimental to the load after the period of load operation and a crowbar or diverter switch may have to be incorporated into the system [3,8]. This adds to the system complexity and a high percentage of the energy available per pulse is wasted.…”

Section: Introductionmentioning

confidence: 99%

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A PFN Marx generator based on high-voltage transmission lines

Turnbull

MacGregor

Harrower

2000

Meas. Sci. Technol.

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A novel, high-voltage Marx generator based on distributed transmission lines is described. The generator is capable of producing a nominally rectangular output voltage pulse of up to 200 kV into an open-circuit load. The voltage-pulse duration and risetime are 100 and 30 ns respectively. The generator is 50 cm in diameter and 50 cm in height, and is comprised of five voltage-multiplying stages with each stage made from 25 m of 50 , 40 kV dc co-axial transmission-line cable. The transmission-line cable for each stage is configured as two parallel pulse-forming lines with a resultant output impedance per stage of 25 . For five stages the output impedance is therefore 125 . The generator construction is described and the performance is evaluated in terms of the risetime, erection time, jitter in the erection time and output-voltage efficiency.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

A PFN Marx generator based on high-voltage transmission lines

Turnbull

MacGregor

Harrower

2000

Meas. Sci. Technol.

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“…3 The design calls for the generation of 50 MW at 11.4 GHz and 50% efficiency, using a 200 A, 1/2 MV electron beam produced by a cold-cathode diode on the NRL Long-Pulse Accelerator Facility. 7 This paper presents an investigation of the output cavity of a magnicon and is a follow-up of our earlier analysis of the deflection system.…”

Section: Introductionmentioning

confidence: 99%

Nonlinear analysis of a magnicon output cavity

Hafizi

Gold

Manheimer

et al. 1993

Physics of Fluids B: Plasma Physics

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Approved for public release; distribution unlimited. ABSTRACT IMexinum 200 words)A nonlinear analysis of the wave-particle interaction in the output cavity of a frequency-doubling magnicon amplifier is presented. The cavity is immersed in an axial magnetic field wherein electrons interact with a rotating TM 210 mode via a gyro-resonant mechanism. The electron equations of motion and the wave equation for the radio-frequency field are derived and expressed in terms of scaled variables in order to study the general scaling of the output cavity. Single-electron, time-dependent simulation of the interaction in the cavity is performed to assess the accessibility and stability of high-efficiency states for an X-band magnicon. Results from multi-electron, steady-state simulation are presented to show the effect of spreads in electron beam radius, cnergy and transverse momentum on the efficiency.

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