| 非线性负载的供配电系统无功补偿及谐波分析 |
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| 引用本文： | 王勇,贾颖俊,刘章波. 非线性负载的供配电系统无功补偿及谐波分析[J]. 智能建筑电气技术, 2012, 6(3): 20-25 |
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| 作者姓名： | 王勇 贾颖俊 刘章波 |
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| 作者单位： | 1. 中国航天建设集团有限公司,北京,100071
2. 沈阳建筑大学信息与控制工程学院,辽宁沈阳,110168 |
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| 摘 要： | 文章对采用可控硅移相调压装置控制电加热器的供配电系统无功补偿及谐波进行了分析，给出谐波含量、系统功率因数的准确计算公式以及有源滤波和无功补偿的选择方法。得出在非线性电路中仅靠无功补偿难以满足电网对功率因数的要求的结论。并指出解决方法重点应在工艺方案的合理选择，不产生污染或少产生污染。
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| 关 键 词： | 视在功率 有功功率 基波 谐波 功率因数 谐波畸变军 有效值 瞬时功率 |
Analysis on Reactive Power Compensation and Harmonic in Power Supply and Distribution System of Non-linear Load |
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| Wang Yong / Jia Yingjun / Liu Zhangbo. Analysis on Reactive Power Compensation and Harmonic in Power Supply and Distribution System of Non-linear Load[J]. Electrical Technology of Intelligent Buildings, 2012, 6(3): 20-25 |
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| Authors: | Wang Yong / Jia Yingjun / Liu Zhangbo |
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| Affiliation: | Wang Yong / Jia Yingjun / Liu Zhangbo |
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| Abstract: | This paper analyses the reactive power compensation and harmonic in power supply and distribution system of electric heater controlled by SCR phase shifting compressor governor device, and gives the accurate calculation formula of harmonic content and system factor, and the select methods of active filter and reactive power compensation. It concludes that only using reactive power compensation could not meet the demand of power grid in the aspect of system factor in non-liner circuit, and points out the key point of the solution is selecting technique scheme reasonably, and producing less or no pollution. |
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| Keywords: | apparent power active power fundamental wave harmonic power factor harmonic distortion effective value instantaneous power |
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