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Distributed Gradient Descent for Solving Optimal Power Flow in Radial Networks

United States Patent Application

View the Complete Application at the US Patent & Trademark Office
Node controllers and power distribution networks in accordance with embodiments of the invention enable distributed power control, One embodiment includes a node controller comprising a memory containing: a plurality of node operating parameters; and a plurality of node operating parameters describing operating parameters for a set of at least one node selected from the group consisting of at least one downstream node and at least one upstream node; wherein the processor is configured by the node controller application to: receive and store in memory a plurality of coordinator parameters describing operating parameters of a node coordinator by the network interface; and calculate updated node operating parameters using an iterative gradient projection process to determine updated node parameters using node operating parameters that describe operating parameters of node and operating parameters of the set of at least one node, where each iteration is determined by the coordinator parameters.
Gan, Lingwen (Sunnyvale, CA), Low, Steven H. (La Canada, CA)
California Institute of Technology
14/ 818,203
August 4, 2015
STATEMENT OF FEDERALLY SPONSORED RESEARCH [0002] This invention was made with government support under DE-AR000022 awarded by the Department of Energy and under CNS0911041 awarded by the National Science Foundation. The government has certain rights in the invention.