Adaptive Control of Distributed Energy Resources for Distribution Grid Voltage Stability

Daniel Arnold; Shammya Saha; Sy Toan Ngo; Ciaran Roberts; Anna Scaglione; Nathan G. Johnson; Sean Peisert; David Pinney

doi:10.1109/TPWRS.2022.3157558

Adaptive Control of Distributed Energy Resources for Distribution Grid Voltage Stability

Daniel Arnold, Shammya Saha, Sy Toan Ngo, Ciaran Roberts, Anna Scaglione, Nathan G. Johnson, Sean Peisert, David Pinney

Engineering, Ira A. Fulton Schools of (IAFSE)

Research output: Contribution to journal › Article › peer-review

6 Scopus citations

Abstract

Volt-VAR and Volt-Watt functionality in photovoltaic (PV) smart inverters provide mechanisms to ensure system voltage magnitudes and power factors remain within acceptable limits. However, these control functions can become unstable, introducing oscillations in system voltages when not appropriately configured or maliciously altered during a cyberattack. In the event that Volt-VAR and Volt-Watt control functions in a portion of PV smart inverters in a distribution grid are unstable, the proposed adaptation scheme utilizes the remaining and stably-behaving PV smart inverters and other Distributed Energy Resources to mitigate the effect of the instability. The adaptation mechanism is entirely decentralized, model-free, communication-free, and requires virtually no external configuration. We provide a derivation of the adaptive control approach and validate the algorithm in experiments on the IEEE 37 and 8500 node test feeders.

Original language	English (US)
Pages (from-to)	129-141
Number of pages	13
Journal	IEEE Transactions on Power Systems
Volume	38
Issue number	1
DOIs	https://doi.org/10.1109/TPWRS.2022.3157558
State	Published - Jan 1 2023

Keywords

Adaptive control
cyber security
distributed energy resources
smart inverter
voltage stability

ASJC Scopus subject areas

Energy Engineering and Power Technology
Electrical and Electronic Engineering

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10.1109/TPWRS.2022.3157558

Cite this

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title = "Adaptive Control of Distributed Energy Resources for Distribution Grid Voltage Stability",

abstract = "Volt-VAR and Volt-Watt functionality in photovoltaic (PV) smart inverters provide mechanisms to ensure system voltage magnitudes and power factors remain within acceptable limits. However, these control functions can become unstable, introducing oscillations in system voltages when not appropriately configured or maliciously altered during a cyberattack. In the event that Volt-VAR and Volt-Watt control functions in a portion of PV smart inverters in a distribution grid are unstable, the proposed adaptation scheme utilizes the remaining and stably-behaving PV smart inverters and other Distributed Energy Resources to mitigate the effect of the instability. The adaptation mechanism is entirely decentralized, model-free, communication-free, and requires virtually no external configuration. We provide a derivation of the adaptive control approach and validate the algorithm in experiments on the IEEE 37 and 8500 node test feeders.",

keywords = "Adaptive control, cyber security, distributed energy resources, smart inverter, voltage stability",

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AU - Saha, Shammya

AU - Ngo, Sy Toan

AU - Roberts, Ciaran

AU - Scaglione, Anna

AU - Johnson, Nathan G.

AU - Peisert, Sean

AU - Pinney, David

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N2 - Volt-VAR and Volt-Watt functionality in photovoltaic (PV) smart inverters provide mechanisms to ensure system voltage magnitudes and power factors remain within acceptable limits. However, these control functions can become unstable, introducing oscillations in system voltages when not appropriately configured or maliciously altered during a cyberattack. In the event that Volt-VAR and Volt-Watt control functions in a portion of PV smart inverters in a distribution grid are unstable, the proposed adaptation scheme utilizes the remaining and stably-behaving PV smart inverters and other Distributed Energy Resources to mitigate the effect of the instability. The adaptation mechanism is entirely decentralized, model-free, communication-free, and requires virtually no external configuration. We provide a derivation of the adaptive control approach and validate the algorithm in experiments on the IEEE 37 and 8500 node test feeders.

AB - Volt-VAR and Volt-Watt functionality in photovoltaic (PV) smart inverters provide mechanisms to ensure system voltage magnitudes and power factors remain within acceptable limits. However, these control functions can become unstable, introducing oscillations in system voltages when not appropriately configured or maliciously altered during a cyberattack. In the event that Volt-VAR and Volt-Watt control functions in a portion of PV smart inverters in a distribution grid are unstable, the proposed adaptation scheme utilizes the remaining and stably-behaving PV smart inverters and other Distributed Energy Resources to mitigate the effect of the instability. The adaptation mechanism is entirely decentralized, model-free, communication-free, and requires virtually no external configuration. We provide a derivation of the adaptive control approach and validate the algorithm in experiments on the IEEE 37 and 8500 node test feeders.

KW - Adaptive control

KW - cyber security

KW - distributed energy resources

KW - smart inverter

KW - voltage stability

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Adaptive Control of Distributed Energy Resources for Distribution Grid Voltage Stability

Abstract

Keywords

ASJC Scopus subject areas

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