Compact high-voltage pulse transformer with closed magnetic core

zhang yu; liu jinliang; cheng xinbing; zhang hongbo; bai guoqiang

Volume 22 Issue 12

Dec. 2010

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Article Navigation > High Power Laser and Particle Beams > 2010 > 22(12): 0-

wang shao-guang, wei guang-hui, chen ya-zhou, et al. Radiation effects of ultra-wide spectrum on radio fuze and its protection[J]. High Power Laser and Particle Beams, 2007, 19.

Citation:

zhang yu, liu jinliang, cheng xinbing, et al. Compact high-voltage pulse transformer with closed magnetic core[J]. High Power Laser and Particle Beams, 2010, 22.

wang shao-guang, wei guang-hui, chen ya-zhou, et al. Radiation effects of ultra-wide spectrum on radio fuze and its protection[J]. High Power Laser and Particle Beams, 2007, 19.

Citation:

zhang yu, liu jinliang, cheng xinbing, et al. Compact high-voltage pulse transformer with closed magnetic core[J]. High Power Laser and Particle Beams, 2010, 22.

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Compact high-voltage pulse transformer with closed magnetic core

1.
College of Opto-Electronic Science and Engineering,National University of Defense Technology,Changsha 410073,China

Publish Date: 2010-12-07

Abstract

Abstract

A compact 200 kV pulse transformer with step-up ratio of 109 was developed to miniaturize high-voltage pulse transformer. Researches on coupling, high-voltage insulation and output characteristics of the transformer were carried out by electromagnetic theory, circuit simulation and experiments. Important parameters were calculated and designed. As the closed magnetic core of the transformer was made of crystal-tropism siliconsteel strip, the effective coupling coefficient reached as high as 0.95. With insulated structure of polymeric cylinder and alternate-winding method, the secondary windings of transformer could deliver a high-voltage pulse of 230 kV and full width at half maximum (FWHM) of 3 μs when initial voltage of the primary energy-storage capacitor was 2.1 kV. Results of simul
- pulse transformer,
- step-up ratio,
- silicon-steel strip,
- effective coupling coefficient,
- full width at half maximum,

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