多阶平衡式Cockcroft-Walton电路的等效模型与输出特性

杨娅姣; 董全林; 党玉杰; 牟洪山; 于金栋; 关龙舟; 赵伟霞; 孙茂多

doi:10.11884/HPLPB201527.045103

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多阶平衡式Cockcroft-Walton电路的等效模型与输出特性

doi: 10.11884/HPLPB201527.045103

1.
北京航空航天大学微纳测控与低维物理教育部重点实验室,北京 1 001 91 ;
2.
北京有色金属研究总院,北京 1 001 91 ;
3.
北京航空航天大学电子信息学院,北京 1 001 91 ;
4.
北京师范大学脑与认知科学研究院,北京 1 001 91

详细信息

通讯作者:
董全林

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出版历程
- 收稿日期: 2014-09-10
- 修回日期: 2014-11-25
- 刊出日期: 2015-03-23

Equivalent model and output characteristics for multi-stage balanced Cockcroft-Walton circuit

1.
Key Laboratory of Micro-nano Measurement-Manipulation and Physics of the Ministry of Education,Beihang University,Beijing 100191,China;
2.
General Research Institute for Nonferrous Metals,Beijing 100191,China;
3.
School of Electronic and Information Engineering,Beihang University,Beijing 100191,China;
4.
Beijing Normal University,National Key Laboratory of Cognitive Neuroscience and Learning,Beijing 100191,China

摘要

摘要: 基于电路的输出效果，采用电荷转移原理阐述平衡式Cockcroft-Walton（C-W）倍压电路较为复杂的物理过程，将电路中二极管的非线性导通特性等效为周期性线性导通的数学解析模型，推导了表征其输出特性的纹波电压和带载输出电压的理论输出表达式。采用仿真软件对比了基本式和平衡式C-W电路的输出特性曲线，结果表明平衡式拓扑结构的纹波大小约为基本式拓扑结构的8%。同时建立的多阶平衡式C-W电路纹波电压理论模型计算值略低于电路软件仿真值，带载输出电压的理论模型计算值与仿真值的相对误差低于10%。
- 高压发生器 /
- Cockcroft-Walton电路 /
- 输出特性 /
- 纹波 /
- 带载输出电压
Abstract: Based on the output effect of the circuit, the study used the charge transfer principle to describe the relative complex physical processes of balanced Cockcroft-Walton(C-W) circuit. Given the periodically turning model to mathematical analysis is equivalent to nonlinear conduction properties of the diode, theoretical model output formulas of ripple voltage and load-dropping output voltage that describe the output characteristics of C-W circuit are derivated. With circuit simulation software, the ripple voltage and the output voltage waveforms of the basic and balanced C-W circuit are simulated, and it illustrates that the ripple voltage of the balanced topology is far less than the basic, approximately the value percentage of 8%. The outputs of the theoretical model established in this paper are verified, and the results show that the calculated ripple voltage from the theoretical model is slightly lower than the simulation values, and the relative error between the calculated output voltage and simulation values is less than 10%.
- high voltage generator /
- Cockcroft-Walton circuit /
- output characteristics /
- ripple voltage /
- load output-voltage