Adaptive Control of Distributed Energy Resources for Distribution Grid Voltage Stability

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

doi:10.1109/tpwrs.2022.3157558

Adaptive Control of Distributed Energy Resources for Distribution Grid Voltage Stability

Journal Article · Wed Mar 08 00:00:00 EST 2023 · IEEE Transactions on Power Systems

DOI:https://doi.org/10.1109/tpwrs.2022.3157558· OSTI ID:1974760

^[1]; ^[2]; Ngo, Sy-Toan ^[1]; ^[1]; Scaglione, Anna ^[3]; ^[4]; ^[1]; Pinney, David ^[5]

Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
Electric Power Research Institute, Knoxville, TN (United States)
Cornell Tech, New York, NY (United states)
Arizona State University, Tempe, AZ (United States)
National Rural Electric Cooperative Association, Arlington, VA (United States)

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. Here we provide a derivation of the adaptive control approach and validate the algorithm in experiments on the IEEE 37 and 8500 node test feeders.

View Accepted Manuscript (DOE)

Research Organization:: Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)

Sponsoring Organization:: USDOE Office of Science (SC)

Grant/Contract Number:: AC02-05CH11231

OSTI ID:: 1974760

Journal Information:: IEEE Transactions on Power Systems, Journal Name: IEEE Transactions on Power Systems Journal Issue: 1 Vol. 38; ISSN 0885-8950

Publisher:: IEEECopyright Statement

Country of Publication:: United States

Language:: English

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24 POWER TRANSMISSION AND DISTRIBUTION
adaptive control
cyber security
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smart inverter
voltage stability

Adaptive Control of Distributed Energy Resources for Distribution Grid Voltage Stability

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