| 一种新的动态无功补偿方法研究 |
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| 引用本文： | 曹秋云,朱东柏,刘骥.一种新的动态无功补偿方法研究[J].黑龙江水专学报,2007,34(1):119-122. |
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| 作者姓名： | 曹秋云 朱东柏 刘骥 |
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| 作者单位： | 哈尔滨理工大学,电气与电子工程学院,黑龙江,哈尔滨,150040 |
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| 摘 要： | 提出了一种新的电力电容器调容方法,该方法基于PWM控制原理,用电力电子开关控制两组电容器的投切,通过调节控制脉冲的占空比连续调节电容.该方法克服了目前无功补偿装置中分组投切电容器时电容有级差的缺点,同时减少了补偿所需电容器组的数量.采用MATLAB中的Power Sim Systems对本方法进行仿真分析,仿真结果与理论值一致.
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| 关 键 词： | 电力电容 连续调容 PWM 动态 无功补偿方法 研究 Based Capacitor Power 理论值 仿真结果 仿真分析 Systems MATLAB 电容器组 投切电容器 分组 无功补偿装置 连续调节 占空比 控制脉冲 开关控制 电力电子 |
| 文章编号： | 24272199 |
| 修稿时间： | 09 7 2006 12:00AM |
Varying the Capacitance of Power Capacitor Based on PWM |
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| CAO Qiu-yun,ZHU Dong-bai,LIU Ji.Varying the Capacitance of Power Capacitor Based on PWM[J].Journal of Heilongjiang Hydraulic Engineering College,2007,34(1):119-122. |
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| Authors: | CAO Qiu-yun ZHU Dong-bai LIU Ji |
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| Affiliation: | College of Electrical and Electronic Engineering, Harbin Univ. Sci. Tech,, Harbin 150040, China |
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| Abstract: | The paper presents an new method of varying capacitance continuously,which is based on the principle of PWM.Two power capacitors are switched under the control of IGBT or Power MOSFET and the capacitance continuously varies when pulse duty cycle is changed.So the rank of varying capacitance is eliminated and the quantity of the capacitor is reduced.In this paper,the result of simulation with the Power Sim Systems in MATLAB is consistent with the theory. |
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| Keywords: | power capacitor varying capacitance continuously PWM |
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