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24 October 2017 A study on stimulation of DC high voltage power of LCC series parallel resonant in projectile velocity measurement system
Dong-dong Lu, Jin-liang Gu, Hong-e Luo, Yan Xia
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Proceedings Volume 10458, AOPC 2017: 3D Measurement Technology for Intelligent Manufacturing; 104581G (2017) https://doi.org/10.1117/12.2285368
Event: Applied Optics and Photonics China (AOPC2017), 2017, Beijing, China
Abstract
According to specific requirements of the X-ray machine system for measuring velocity of outfield projectile, a DC high voltage power supply system is designed for the high voltage or the smaller current. The system comprises: a series resonant circuit is selected as a full-bridge inverter circuit; a high-frequency zero-current soft switching of a high-voltage power supply is realized by PWM output by STM32; a nanocrystalline alloy transformer is chosen as a high-frequency booster transformer; and the related parameters of an LCC series-parallel resonant are determined according to the preset parameters of the transformer. The concrete method includes: a LCC series parallel resonant circuit and a voltage doubling circuit are stimulated by using MULTISM and MATLAB; selecting an optimal solution and an optimal parameter of all parts after stimulation analysis; and finally verifying the correctness of the parameter by stimulation of the whole system. Through stimulation analysis, the output voltage of the series-parallel resonant circuit gets to 10KV in 28s: then passing through the voltage doubling circuit, the output voltage gets to 120KV in one hour. According to the system, the wave range of the output voltage is so small as to provide the stable X-ray supply for the X-ray machine for measuring velocity of outfield projectile. It is fast in charging and high in efficiency.
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Dong-dong Lu, Jin-liang Gu, Hong-e Luo, and Yan Xia "A study on stimulation of DC high voltage power of LCC series parallel resonant in projectile velocity measurement system", Proc. SPIE 10458, AOPC 2017: 3D Measurement Technology for Intelligent Manufacturing, 104581G (24 October 2017); https://doi.org/10.1117/12.2285368
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KEYWORDS
MATLAB
Transformers
Velocity measurements
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