Transmission and Distribution Real-Time Analysis Software for Monitoring and Control: Design and Simulation Testing

Dan Zhu, Murat Dilek, Max Zhong, Abhineet Parchure (), Robert Broadwater, Nicholas Cincotti, Timothy Kutchen, Scott Placide and Luan Watson
Additional contact information
Dan Zhu: National Information Solutions Cooperative, Blacksburg, VA 24060, USA
Murat Dilek: National Information Solutions Cooperative, Blacksburg, VA 24060, USA
Max Zhong: National Information Solutions Cooperative, Blacksburg, VA 24060, USA
Abhineet Parchure: Department of Electrical and Computer Engineering, Virginia Tech, Blacksburg, VA 24061, USA
Robert Broadwater: Department of Electrical and Computer Engineering, Virginia Tech, Blacksburg, VA 24061, USA
Nicholas Cincotti: Pepco Holdings Inc., Washington, DC 20068, USA
Timothy Kutchen: Pepco Holdings Inc., Washington, DC 20068, USA
Scott Placide: Pepco Holdings Inc., Washington, DC 20068, USA
Luan Watson: Pepco Holdings Inc., Washington, DC 20068, USA

Energies, 2023, vol. 16, issue 10, 1-16

Abstract: The US electric grid is facing operational, stability, and security challenges. Transmission system operators need some measure of visibility into distribution system renewable generation. Distribution system generation needs to support transmission system voltage. The grid is experiencing an expansion in measurement systems. How to take full advantage of this expansion and defend against attacks, both cyber and physical, poses additional challenges. This paper introduces software designed to meet these challenges. At the center of the software is an Integrated System Model (ISM) that spans from transmission to secondary distribution. The ISM is employed in real-time abnormality detection, voltage stability forecasting, and multi-mode control. The software architecture along with selected analysis modules is presented. Testing results are presented for: 1—attacks on utility infrastructure; 2—energy savings from optimal control; 3—distribution system control response during a low voltage transmission system event; 4—cyber-attacks on PV inverters, where physical inverters are used in hardware-in-the-simulation-loop studies. Contributions of this work include real-time analysis that spans from three-phase transmission through secondary distribution; an approach for detecting abnormalities that employs measurements from three independent measurement systems; and a multi-mode distribution system control that responds to cyber-attacks, physical attacks, equipment failures, and transmission system needs.

Keywords: Integrated System Model (ISM); Graph Trace Analysis (GTA); Advanced Metering Infrastructure (AMI); Supervisory Control And Data Acquisition (SCADA); coordinated control; cyber-attack; smart inverter (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2023
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