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Title: Scalable Optimization Methods for Distribution Networks With High PV Integration

Journal Article · · IEEE Transactions on Smart Grid
 [1];  [2];  [3];  [1];  [1]
  1. University of Minnesota, Minneapolis, MN (United States)
  2. National Renewable Energy Laboratory (NREL), Golden, CO (United States)
  3. University of British Columbia, Vancouver, BC (Canada)

Here this paper proposes a suite of algorithms to determine the active- and reactive-power setpoints for photovoltaic (PV) inverters in distribution networks. The objective is to optimize the operation of the distribution feeder according to a variety of performance objectives and ensure voltage regulation. In general, these algorithms take a form of the widely studied ac optimal power flow (OPF) problem. For the envisioned application domain, nonlinear power-flow constraints render pertinent OPF problems nonconvex and computationally intensive for large systems. To address these concerns, we formulate a quadratic constrained quadratic program (QCQP) by leveraging a linear approximation of the algebraic power-flow equations. Furthermore, simplification from QCQP to a linearly constrained quadratic program is provided under certain conditions. The merits of the proposed approach are demonstrated with simulation results that utilize realistic PV-generation and load-profile data for illustrative distribution-system test feeders.

Research Organization:
National Renewable Energy Laboratory (NREL), Golden, CO (United States)
Sponsoring Organization:
USDOE Office of Energy Efficiency and Renewable Energy (EERE); USDOE Laboratory Directed Research and Development (LDRD) Program; National Science Foundation (NSF); University of Minnesota
Grant/Contract Number:
AC36-08GO28308; CCF 1423316; CyberSEES 1442686; ECCS-1453921; RL-0010-13
OSTI ID:
1329994
Report Number(s):
NREL/JA-5D00-66169
Journal Information:
IEEE Transactions on Smart Grid, Vol. 7, Issue 4; ISSN 1949-3053
Publisher:
IEEECopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 98 works
Citation information provided by
Web of Science

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