Source Impedance Estimation
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United States of America Patent
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Issued Date -
Dec 18, 2014
app pub date -
Jun 17, 2013
filing date -
Jun 17, 2013
priority date (Note) -
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Abstract
Disclosed herein are a variety of systems and methods for estimating a source impedance value. One embodiment may include an intelligent electronic device (IED) configured to interface with an electric power distribution system. The IED may include a communications interface, a processor, and a non-transitory computer-readable storage medium. The computer-readable storage medium may include software instructions executable on the processor that enable the IED to identify a source impedance modeling event at a node in the power distribution system. The software instructions may further enable the IED to receive a plurality of measurements representing an electrical condition at the node prior to the source impedance modeling event and subsequent to the source impedance modeling event. The IED may calculate a source impedance value based on the first plurality of measurements at the node. Based on the source impedance value, a control action may be generated.
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