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A Kalman-filter spectral envelope preprocessor
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DOI：10.1109/TIM.2007.904475.png)
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摘要
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This paper presents a Kalman-filter approach for computing spectral envelopes of current waveforms for nonintrusive load monitoring on the electric utility. Spectral envelopes represent time-varying frequency content and phase of the current relative to the voltage. Thus, the techniques presented in this paper may be applicable to a variety of lock-in measurement and signal processing techniques. The lock-in and computational performance of the proposed method favorably compares to previous efforts. The performance is demonstrated with data from the field.
Keyword:
load monitoring
power quality
synchronous detection
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期刊
IF:
5.9
论文数:
2.0W
被引数:
5.8W
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A novel Kalman filter for frequency estimation of distorted signals in power systems一种用于电力系统失真信号频率估计的新型卡尔曼滤波器
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