WATT-HOUR METER AND METHOD OF DETECTION OF ABNORMAL STATUS THEREOF
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United States of America Patent
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Issued Date -
Feb 6, 2014
app pub date -
Jun 21, 2013
filing date -
Aug 3, 2012
priority date (Note) -
Abandoned
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Abstract
There are provided a watt-hour meter capable of detecting an abnormal status due to the surreptitious use of electricity or electrical current leakage by vector synthesis of a three-phase current and a method of detection of an abnormal status thereof, the watt-hour meter including a sensing unit detecting alternating current (AC) power, an abnormal status detecting unit detecting an abnormal status by vector-synthesizing a current value of the AC power detected by the sensing unit, and a controlling unit controlling displaying of the abnormal status according to a detection result from the abnormal status detecting unit.
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