Simulation research on long pulse parallel resonant modulator

li wei; liu qingxiang; zhang zhengquan; wu zhipeng

Volume 23 Issue 11

Sep. 2012

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Article Navigation > High Power Laser and Particle Beams > 2011 > 23(11): 0-

li wei, liu qingxiang, zhang zhengquan, et al. Simulation research on long pulse parallel resonant modulator[J]. High Power Laser and Particle Beams, 2011, 23.

Citation:

li wei, liu qingxiang, zhang zhengquan, et al. Simulation research on long pulse parallel resonant modulator[J]. High Power Laser and Particle Beams, 2011, 23.

li wei, liu qingxiang, zhang zhengquan, et al. Simulation research on long pulse parallel resonant modulator[J]. High Power Laser and Particle Beams, 2011, 23.

Citation:

li wei, liu qingxiang, zhang zhengquan, et al. Simulation research on long pulse parallel resonant modulator[J]. High Power Laser and Particle Beams, 2011, 23.

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Simulation research on long pulse parallel resonant modulator

1.
College of Physical Science and Technology,Southwest Jiaotong University,Chengdu 610031,China

Publish Date: 2011-11-29

Abstract

Abstract

This paper presents a long-pulse modulator based on parallel resonant waveform superposition technique, which uses multiple modules (in parallel) for waveform superposition to reduce rising edge while keep a certain voltage ripple and increase the output power, with each module using a parallel resonant structure. In order to stabilize the output voltage, and to minimize switching losses, the frequency and phase combined control method is applied. Its principle, feedforward voltage control principle and design of resonant parameters are described. The simulation of three modules in parallel shows that, with the input DC voltage varying within 450 to 550 V, the structure under forward control at 50 kHz resonant frequency generates 60 kV voltage on the 5.2 kΩ load resistor, whose rising ti
- parallel resonance,
- long pulse,
- modulator,
- waveform superposition,
- feedforward voltage control

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