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Inverter VAR control for distribution systems with renewables

Farivar, Masoud and Clarke, Christopher R. and Low, Steven H. and Chandy, K. Mani (2011) Inverter VAR control for distribution systems with renewables. In: 2011 IEEE International Conference on Smart Grid Communications. IEEE , Piscataway, NJ, pp. 457-462. ISBN 978-1-4577-1704-8.

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Motivated by the need to cope with rapid and random fluctuations of renewable generation, we presents a model that augments the traditional Volt/VAR control through switched controllers on a slow timescale with inverter control on a fast timescale. The optimization problem is generally nonconvex and therefore hard to solve. We propose a simple convex relaxation and prove that it is exact provided over-satisfaction of load is allowed. Hence Volt/VAR control over radial networks is efficiently solvable. Simulations of a real-world distribution circuit illustrates that the proposed inverter control achieves significant improvement over the IEEE 1547 standard in terms of power quality and power savings.

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Additional Information:U.S. Government work not protected by U.S. copyright. We would like to thank Jeff Gooding, Russel Neal, Percy Haralson, Michael Montoya, Bryan Pham, Robert Yinger and Marshall Parsons in the Advanced Technology Division of the Southern California Edison’s (SCE) Transmission and Distribution Business Unit (TDBU) for multiple fruitful discussions.
Subject Keywords:Reactive power, Inverters, Capacitors, Switches, Substations, Optimization
Record Number:CaltechAUTHORS:20170810-112707612
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Official Citation:M. Farivar, C. R. Clarke, S. H. Low and K. M. Chandy, "Inverter VAR control for distribution systems with renewables," 2011 IEEE International Conference on Smart Grid Communications (SmartGridComm), Brussels, 2011, pp. 457-462. doi: 10.1109/SmartGridComm.2011.6102366 URL:
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:80116
Deposited By: Zhaojian Wang
Deposited On:11 Aug 2017 22:19
Last Modified:03 Oct 2019 18:27

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