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公开(公告)号：US20180348288A1
公开(公告)日：2018-12-06
申请号：US15992551
申请日：2018-05-30
CPC分类号： H02J3/383 , H02J2003/388
摘要： Electric power systems and methods are provided that detect an islanding condition. The systems and methods include components to inject a perturbation current at a power output, based upon a perturbation current signal, and receive a voltage signal from the power output. The systems and methods cross-correlate the perturbation current signal with the voltage signal to provide a cross-correlation signal, and determine an island condition based upon the cross-correlation signal.
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公开(公告)号：US10935588B2
公开(公告)日：2021-03-02
申请号：US15992551
申请日：2018-05-30
摘要： Electric power systems and methods are provided that detect an islanding condition. The systems and methods include components to inject a perturbation current at a power output, based upon a perturbation current signal, and receive a voltage signal from the power output. The systems and methods cross-correlate the perturbation current signal with the voltage signal to provide a cross-correlation signal, and determine an island condition based upon the cross-correlation signal.
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公开(公告)号：US20180348308A1
公开(公告)日：2018-12-06
申请号：US15609694
申请日：2017-05-31
摘要： Electric power systems and methods are provided that detect an islanding condition. The systems and methods include components to inject a perturbation current at a power output, based upon a perturbation current signal, and receive a voltage signal from the power output. The systems and methods cross-correlate the perturbation current signal with the voltage signal to provide a cross-correlation signal, and determine an island condition based upon the cross-correlation signal.
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