Lingwei Zhan

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This paper proposes a method for estimating synchronized phase and frequency at the distribution level under both steady-state and dynamic conditions. The discrete Fourier transform-based method is widely used for phasor and frequency estimation, thanks to its low computational burden. However, errors arise when the power system is operating at off-nominal(More)
Information about the frequency deviation is critical to reliable and stable operation of the power grid. Current widearea power grid monitoring systems consist of Phasor Measurement Units (PMUs) at both high-voltage transmission level and low-voltage distribution level, but are generally unsatisfactory for large-scale deployment over highly distributed(More)
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