| 递推法谐波测量及其改进 |
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| 引用本文： | 邱永生,王灿,杨宇.递推法谐波测量及其改进[J].电气化铁道,2010,21(2):23-25. |
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| 作者姓名： | 邱永生 王灿 杨宇 |
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| 作者单位： | 国网电力科学研究院,江苏南京,210003 |
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| 摘 要： | 软件采用递推傅立叶算法，硬件采用频率同步采样回路DSA96系列电气化铁道保护及监控装置，可进行电气化铁道的谐波测量，测试结果表明该方法快速有效，能提高装置的效率。
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| 关 键 词： | 电气化铁道 谐波测量 频率同步 傅立叶变换 递推法 |
Harmonic Measurement in Recurrence Method and its Improvement |
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| Qiu Yong-sheng,WANG Can,YANG Yu.Harmonic Measurement in Recurrence Method and its Improvement[J].Electric Railway,2010,21(2):23-25. |
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| Authors: | Qiu Yong-sheng WANG Can YANG Yu |
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| Abstract: | It is very important to measure harmonic accurately for relay protection and supvisory or restraint to harmonic. The synchronous sampling circuit and recursion Fourier algorithm are adopted to reduce leakage error and improve the efficiency of harmonic measurement in this paper. The method is applied to DSA96 series of protection and supervisory control devices for electrified railway. The result of severe test shows that the method is accurate and highly efficient. |
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| Keywords: | electrified railway harmonic measurement frequency synchronization fourier transform recursion |
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