Electricity: electrical systems and devices – Safety and protection of systems and devices – Superconductor protective circuits
Reexamination Certificate
2009-01-23
2011-12-13
Barnie, Rexford (Department: 2836)
Electricity: electrical systems and devices
Safety and protection of systems and devices
Superconductor protective circuits
C361S093900
Reexamination Certificate
active
08077438
ABSTRACT:
The present disclosure is related to a peak current limiting apparatus of the present disclosure comprising a trigger element serially connected between a power supply source and the load, diverting a fault current to other paths connected in parallel when the fault current exceeding a threshold is generated, a main contact switch serially connected between the trigger element and a load, a driving coil connected in parallel with the trigger element, and generating a repulsive force in response to the fault current to detach a contact point of the main contact switch, and a peak limiting impedance element serially connected between a connection node between the trigger element and the main contact switch and the driving coil, and limiting a first peak level of the fault current flowing through the driving coil to a predetermined level.
REFERENCES:
patent: 7538991 (2009-05-01), Park et al.
patent: 2009/0052097 (2009-02-01), Hyun et al.
Lee Gyeong Ho
Park Kwon Bae
Sim Jung Wook
Barnie Rexford
Brooks Angela
Lee Hong Degerman Kang & Waimey
LS Industrial Systems Co., Ltd.
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