SYSTEMS, METHODS AND DEVICES FOR DETECTING BRANCH CIRCUIT LOAD IMBALANCE
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United States of America Patent
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Issued Date -
Aug 22, 2013
app pub date -
Feb 22, 2012
filing date -
Feb 22, 2012
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Abstract
Systems, methods and devices for detecting multi-phase branch circuit load imbalance are presented herein. A method is disclosed for detecting a load imbalance in a multi-phase electrical distribution system which includes: determining an association between each space of the panel and a respective circuit; receiving data of an electrical parameter indicative of load imbalance; receiving data of a system parameter indicative of load activity; determining an average value from the electrical parameter data; determining an aggregate value from the system parameter data; determining a model correlating the system parameter with the electrical parameter; determining if the average value of the electrical parameter is unbalanced; if so, determining a modeled electrical parameter value using the model and the aggregate value of the system parameter; determining if the average value of the electrical parameter corresponds with the modeled electrical parameter value; and, if not, outputting an indication that the load imbalance exists.
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