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Kernel-Based Learning for Smart Inverter Control

Abstract: 

Distribution grids are currently challenged by frequent voltage excursions induced by intermittent solar generation. Smart inverters have been advocated as a fast-responding means to regulate voltage and minimize ohmic losses. Since optimal inverter coordination may be computationally challenging and preset local control rules are subpar, the approach of customized control rules designed in a quasi-static fashion features as a golden middle. Departing from affine control rules, this work puts forth non-linear inverter control policies. Drawing analogies to multi-task learning, reactive control is posed as a kernel-based regression task. Leveraging a linearized grid model and given anticipated data scenarios, inverter rules are jointly designed at the feeder level to minimize a convex combination of voltage deviations and ohmic losses via a linearly-constrained quadratic program. Numerical tests using real-world data on a benchmark feeder demonstrate that nonlinear control rules driven also by a few non-local readings can attain near-optimal performance.

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Paper Details

Authors:
Aditie Garg, Mana Jalali, Vassilis Kekatos
Submitted On:
27 November 2018 - 4:30am
Short Link:
Type:
Presentation Slides
Event:
Presenter's Name:
Vassilis Kekatos
Paper Code:
1405
Document Year:
2018
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Document Files

presentation-kekatos.pdf

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[1] Aditie Garg, Mana Jalali, Vassilis Kekatos, "Kernel-Based Learning for Smart Inverter Control", IEEE SigPort, 2018. [Online]. Available: http://sigport.org/3808. Accessed: Jul. 21, 2019.
@article{3808-18,
url = {http://sigport.org/3808},
author = {Aditie Garg; Mana Jalali; Vassilis Kekatos },
publisher = {IEEE SigPort},
title = {Kernel-Based Learning for Smart Inverter Control},
year = {2018} }
TY - EJOUR
T1 - Kernel-Based Learning for Smart Inverter Control
AU - Aditie Garg; Mana Jalali; Vassilis Kekatos
PY - 2018
PB - IEEE SigPort
UR - http://sigport.org/3808
ER -
Aditie Garg, Mana Jalali, Vassilis Kekatos. (2018). Kernel-Based Learning for Smart Inverter Control. IEEE SigPort. http://sigport.org/3808
Aditie Garg, Mana Jalali, Vassilis Kekatos, 2018. Kernel-Based Learning for Smart Inverter Control. Available at: http://sigport.org/3808.
Aditie Garg, Mana Jalali, Vassilis Kekatos. (2018). "Kernel-Based Learning for Smart Inverter Control." Web.
1. Aditie Garg, Mana Jalali, Vassilis Kekatos. Kernel-Based Learning for Smart Inverter Control [Internet]. IEEE SigPort; 2018. Available from : http://sigport.org/3808