POWER SYSTEM STATE ESTIMATION DEVICE AND POWER SYSTEM USING SAME
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United States of America Patent
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Issued Date -
Jul 17, 2014
app pub date -
Aug 7, 2012
filing date -
Sep 26, 2011
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Abandoned
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Abstract
A power state of any point of a power system is estimated with high accuracy to appropriately perform monitoring of the state of the entire power system. A power system state estimation device is provided which includes a power system data database which holds node information indicative of positions in the power system and facility information including sensors in association with each other, a sensor data database which holds the output of the sensors, an estimation environment setting unit which determines a sensor to be used when a power state at a particular node is estimated, using the information of the power system data database, and a state estimation unit which in correspondence to the sensor used at the particular node determined by the estimation environment setting unit, obtains the output of the sensor from the sensor data database and performs state estimation for the entire power system.
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