A software for simulation and controller development for high frequency high voltage power supplies

Proceedings IPEMC 2000. Third International Power Electronics and Motion Control Conference (IEEE Cat. No.00EX435) Pub Date : 2000-08-15 DOI:10.1109/IPEMC.2000.884575

H. Bulent Ertan, T. Camlikaya, O. Demirel, C. Kasnakoğlu

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Abstract

This paper describes software developed for the simulation of high voltage (up to 125 kV), high frequency power supply for radiology equipment. The main components of the power supply are an AC-DC conversion stage and a high frequency inverter feeding a resonant load. The resonant load is the impedance reflected to the inverter side of the high voltage, high frequency transformer feeding the X-ray tube. The software has modules for each of the components of the converter mentioned above, which can be modified, to accommodate configuration changes. The set of time domain equations for each modules are capable of representing the operation of the related circuits at different states of the switches. A predictor-modifier-corrector method is used for solving the resulting set of equations. A control module is incorporated into the software. In this paper, the control module has a fuzzy controller. The paper first illustrates solution accuracy of the model used. Then the prediction accuracy of the performance of the system is demonstrated.

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高频高压电源仿真与控制器开发软件

本文介绍了一种用于放射设备高压(高达125千伏)高频电源仿真的软件。电源的主要组成部分是交直流转换级和高频逆变器馈入谐振负载。谐振负载是将阻抗反射到逆变器侧的高压、高频变压器馈入x射线管。该软件具有上述转换器的每个组件的模块，可以进行修改，以适应配置变化。每个模块的时域方程集能够表示开关在不同状态下相关电路的工作情况。采用预测-修正-修正方法求解结果方程组。软件中加入了一个控制模块。在本文中，控制模块有一个模糊控制器。本文首先说明了所用模型的解精度。然后对系统性能的预测精度进行了验证。

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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Proceedings IPEMC 2000. Third International Power Electronics and Motion Control Conference (IEEE Cat. No.00EX435)

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