Development of a high frequency and high-voltage pulse transformer for a TWT HVPS

Digest of Technical Papers. PPC-2003. 14th IEEE International Pulsed Power Conference (IEEE Cat. No.03CH37472) Pub Date : 2003-06-15 DOI:10.1109/PPC.2003.1278015

S.C. Kim, S. Nam, H. Keon, D. Park

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引用次数: 7

Abstract

A pulse transformer for a high frequency and high voltage operation had been designed, fabricated, and tested. The high frequency operation of the pulse transformer increases power density. Therefore, it is possible to reduce power supply volume. To produce high voltage output, the transformer should have a high step-up ratio. The step-up ratio is generally limited in pulse transformers due to stray capacitance and leakage inductance. The limit was overcome by winding multi-secondary outputs. Switching frequency of the transformer was 80 kHz. Input and output voltages of the transformer were 265 VDC and 4.1 kV, respectively. Normal operation power of the transformer was 1.7 kW. Maximum volume of the transformer was 200 cm/sup 3/. Pulse transformers with various winding arrangements are fabricated to check variations in electrical characteristics. In this paper, design procedures and test results of the high frequency and high voltage pulse transformer is presented. Results of various parameters, such as transformer loss, temperature rise, leakage inductance, distributed capacitance, was discussed in detail.

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行波管高压脉冲电源高频高压脉冲变压器的研制

设计、制作并试验了一种适用于高频高压工作的脉冲变压器。脉冲变压器的高频工作增加了功率密度。因此，可以减少电源体积。为了产生高电压输出，变压器应具有高升压比。脉冲变压器的升压比一般受杂散电容和漏感的限制。通过绕组多次输出克服了这一限制。变压器的开关频率为80khz。变压器的输入电压为265 VDC，输出电压为4.1 kV。变压器正常运行功率为1.7 kW。变压器的最大容积为200cm /sup /。采用不同绕组排列的脉冲变压器是为了检查电特性的变化。本文介绍了高频高压脉冲互感器的设计过程和试验结果。详细讨论了变压器损耗、温升、漏感、分布电容等参数的计算结果。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Digest of Technical Papers. PPC-2003. 14th IEEE International Pulsed Power Conference (IEEE Cat. No.03CH37472)

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