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Title: Feedback Power Cost Optimization in Power Distribution Networks with Prosumers

Journal Article · · IEEE Transactions on Control of Network Systems
 [1];  [1];  [2];  [2]
  1. National Renewable Energy Lab. (NREL), Golden, CO (United States)
  2. University of Padova (Italy)

Here, we propose a feedback control approach for solving optimal power flow (OPF) problems in power distribution networks (DNs) based on a projected gradient scheme, where the cost is given by the sum of functions of local power injections. This approach does not require detailed knowledge of the grid model and enables real-time tracking of the optimal generation configuration. Moreover, the communication burden is minimal: only a broadcast from a central entity, called the Network Supervisor (NS), to the agents in the network is needed. Hence, agents do not have to share local information that can be sensitive, e.g., their power injections or the value of the local costs. Our approach is then used to solve a particular OPF problem targeting DNs with high penetration of distributed energy resources (DERs) in which the energy cost is given by the remuneration that the DERs owners receive for the service they provide.

Research Organization:
National Renewable Energy Laboratory (NREL), Golden, CO (United States)
Sponsoring Organization:
USDOE Laboratory Directed Research and Development (LDRD) Program; Ministry of Education, University and Research (MIUR)
Grant/Contract Number:
AC36-08GO28308
OSTI ID:
1843362
Report Number(s):
NREL/JA-5D00-81509; MainId:82282; UUID:c07749c0-b1fb-406c-8fd0-96fac5b2cceb; MainAdminID:63751
Journal Information:
IEEE Transactions on Control of Network Systems, Journal Name: IEEE Transactions on Control of Network Systems Journal Issue: 4 Vol. 9; ISSN 2325-5870
Publisher:
IEEECopyright Statement
Country of Publication:
United States
Language:
English

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