Power network system, control method for power network system, and control program for power network system
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United States of America Patent
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Nov 21, 2017
Issued Date -
N/A
app pub date -
Jul 5, 2013
filing date -
Jul 6, 2012
priority date (Note) -
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Abstract
When some failure occurs in the case where power interchange is performed among grids, an alternate route is searched at high speed in consideration of a deficiency/excess amount of power. A power network system has a plurality of power routers (1-7), power transmission lines (100-111) connecting the power routers, a controller (8), a communication network (10), and communication lines (11). The controller (8) obtains a reception electric energy and a transmission electric energy in the power routers (1-7), detects a failure due to a fault in, for example, the power router (4), and searches for an alternate route to solve deficiency/excess power caused by the failure occurrence. Concretely, an alternate route is searched while following a power router having excessive power as a root node by a breadth first search, and transmitting the deficiency/excess power and an allowable power transmission capacity in each of the power routers to an adjacent power router. A control instruction related to interchange power is output via the alternate route.
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