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公开(公告)号：US20210057917A1
公开(公告)日：2021-02-25
申请号：US17092554
申请日：2020-11-09
Applicant: ABB Schweiz AG
Inventor： Camilo Lopez , Mark Foltz , Steve Miller , Kevin Dowdell , Mark Wieland , Allan Majors
Abstract: A breaker between two electrical circuits is provided that is closed when electrical properties in both of the electrical circuits are matching. Two check circuits are provided for comparing electrical properties of the two electrical circuits. Each of the check circuits sets a corresponding authorization to close the breaker. The breaker is only closed if both check circuits set an authorization to close the circuit.
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