no code implementations • 28 Mar 2024 • Gokul Krishnan S, Charalambos Konstantinou
This paper presents a DC microgrid testbed setup that consists of various Distributed Energy Resources (DERs) including solar Photovoltaics (PV), supercapacitors for voltage regulation, and Battery Energy Storage Systems (BESS).
no code implementations • 10 Nov 2023 • Sajjad Maleki, Shijie Pan, E. Veronica Belmega, Charalambos Konstantinou, Subhash Lakshminarayana
Load-altering attacks (LAAs) pose a significant threat to power systems with Internet of Things (IoT)-controllable load devices.
no code implementations • 4 Oct 2023 • Solon Falas, Markos Asprou, Charalambos Konstantinou, Maria K. Michael
State estimation is the cornerstone of the power system control center since it provides the operating condition of the system in consecutive time intervals.
no code implementations • 30 Aug 2023 • Gabriel E. Mejia-Ruiz, Yazdan Batmani, Subhash Lakshminarayana, Shehab Ahmed, Charalambos Konstantinou
This paper presents an event detection mechanism that significantly reduces the volume of data transmission to perform necessary control actions, using a scalable scheme that enhances the stability and reliability of power grids.
no code implementations • 30 Aug 2023 • Shijie Pan, Sajjad Maleki, Subhash Lakshminarayana, Charalambos Konstantinou
Additionally, the reactive power supply from the DGs can further reduce power losses in the distribution grid and improve power transmission efficiency.
no code implementations • 30 Aug 2023 • Mohd Asim Aftab, Astha Chawla, Pedro P. Vergara, Shehab Ahmed, Charalambos Konstantinou
This paper develops a real-time co-simulation setup to assess the effect of cyberattacks on VVO.
no code implementations • 27 Jun 2023 • Ioannis Zografopoulos, Charalambos Konstantinou
The decentralization of modern power systems challenges the hierarchical structure of the electric grid and requires the implementation of automated schemes that can overcome adverse conditions.
no code implementations • 12 Jun 2023 • Andres Intriago, Francesco Liberati, Nikos D. Hatziargyriou, Charalambos Konstantinou
This paper discusses the challenges faced by cyber-physical microgrids (MGs) due to the inclusion of information and communication technologies in their already complex, multi-layered systems.
no code implementations • 1 Jun 2023 • Vipin Chandra Pandey, Nikhil Gupta, Khaleequr Rehman Niazi, Anil Swarnkar, Tanuj Rawat, Charalambos Konstantinou
It presents a bi-level decision framework under the ambit of multiple demand response providers (DRPs) in the retail competition.
no code implementations • 31 May 2023 • Kirti Gupta, Subham Sahoo, Bijaya Ketan Panigrahi, Charalambos Konstantinou
The development of power electronics-based medium voltage direct current (MVDC) networks has revolutionized the marine industry by enabling all-electric ships (AES).
no code implementations • 15 Apr 2023 • Kalinath Katuri, Ioannis Zografopoulos, Ha Thi Nguyen, Charalambos Konstantinou
Smart grid advancements and the increased integration of digital devices have transformed the existing power grid into a cyber-physical energy system.
no code implementations • 31 Jan 2023 • Saptarshi Ghosh, Murali Sankar Venkatraman, Shehab Ahmed, Charalambos Konstantinou
In the second level, the attacker observes the placement of the PMUs and compromises them, with the aim of maximizing the state estimation error and reducing the observability of the network.
no code implementations • 26 Sep 2022 • Gabriel Intriago, Andres Intriago, Charalambos Konstantinou, Yu Zhang
This paper proposes a strategy based on observers and residuals for detecting internal faults in grid-forming inverters with power-sharing coordination.
no code implementations • 7 Jun 2022 • Juan Ospina, Venkatesh Venkataramanan, Charalambos Konstantinou
Power systems are evolving into cyber-physical energy systems (CPES) due to the integration of modern communication and Internet-of-Things (IoT) devices.
no code implementations • 25 Apr 2022 • Ioannis Zografopoulos, Panagiotis Karamichailidis, Andreas T. Procopiou, Fei Teng, George C. Konstantopoulos, Charalambos Konstantinou
In this paper, we present a mitigation methodology that leverages battery energy storage system (BESS) resources in coordination with microgrid (MG) ancillary services to maintain power system operations during cyberattacks.
no code implementations • 20 Feb 2022 • Suman Rath, Ioannis Zografopoulos, Pedro P. Vergara, Vassilis C. Nikolaidis, Charalambos Konstantinou
We investigate the rootkits' precompromise stage involving the deployment to multiple system locations and aggregation of system-specific information to build a neural network-based virtual data-driven model (VDDM) of the system.
no code implementations • 23 Oct 2021 • Bang L. H. Nguyen, Tuyen Vu, Colin Ogilvie, Harsha Ravindra, Mark Stanovich, Karl Schoder, Michael Steurer, Charalambos Konstantinou, Herbert Ginn, Christian Schegan
This paper introduces an advanced load shedding algorithm to improve the operability performance of a medium voltage direct current (MVDC) integrated shipboard power and energy system.
no code implementations • 1 Sep 2021 • Pudong Ge, Fei Teng, Charalambos Konstantinou, Shiyan Hu
This paper proposes a cyber-physical cooperative mitigation framework to enhance power systems resilience under extreme events, e. g., earthquakes and hurricanes.
no code implementations • 8 Jul 2021 • Samrat Acharya, Robert Mieth, Charalambos Konstantinou, Ramesh Karri, Yury Dvorkin
In this paper, we propose cyber insurance for EVCSs to hedge the economic loss due to such cyberattacks and develop a data-driven cyber insurance design model for public EVCSs.
no code implementations • 9 Apr 2021 • Xiaorui Liu, Juan Ospina, Ioannis Zografopoulos, Alonzo Russell, Charalambos Konstantinou
Namely, the provided acceleration can be used for improving system scheduling, assessing system vulnerabilities, and predicting system disruptions in real-time systems.
no code implementations • 25 Mar 2021 • Xiaorui Liu, Yaodan Hu, Charalambos Konstantinou, Yier Jin
Our simulation experiments based on the load data from New York state demonstrate that CHIMERA can effectively mitigate 91. 74% of the cases in which FDIAs can maliciously modify the contingencies.
no code implementations • 5 Feb 2021 • Ioannis Zografopoulos, Charalambos Konstantinou, Nektarios Georgios Tsoutsos, Dan Zhu, Robert Broadwater
In this paper, we examine the impact of cyberattacks in an integrated transmission and distribution (T&D) power grid model with distributed energy resource (DER) integration.
no code implementations • 25 Jan 2021 • Ioannis Zografopoulos, Juan Ospina, Xiaorui Liu, Charalambos Konstantinou
Leveraging the threat model formulation, we present a CPS framework designed to delineate the hardware, software, and modeling resources required to simulate the CPS and construct high-fidelity models which can be used to evaluate the system's performance under adverse scenarios.
Cryptography and Security Systems and Control Systems and Control
no code implementations • 15 Aug 2020 • Colin Ogilvie, Juan Ospina, Charalambos Konstantinou, Tuyen Vu, Mark Stanovich, Karl Schoder, Mischa Steurer
Interest by the U. S. Navy in the development and deployment of advanced controls in future shipboard platforms has motivated the development of the Controls Evaluation Framework (CEF) for use in investigating dynamics present in complex automated systems.