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

Journal Article · · Energies
DOI: https://doi.org/10.3390/en16104113 · OSTI ID:1974091
 [1];  [1];  [1];  [2];  [2];  [3];  [3];  [3];  [3]
  1. National Information Solutions Cooperative, Blacksburg, VA (United States)
  2. Virginia Polytechnic Institute and State University (Virginia Tech), Blacksburg, VA (United States)
  3. Pepco Holdings Inc., Washington, DC (United States)
+ Show Author Affiliations

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.

Research Organization:
Electrical Distribution Design, Blacksburg, VA (United States)
Sponsoring Organization:
USDOE Office of Energy Efficiency and Renewable Energy (EERE)
Grant/Contract Number:
EE0008768
OSTI ID:
1974091
Alternate ID(s):
OSTI ID: 2329289; OSTI ID: 2329290
Journal Information:
Energies, Vol. 16, Issue 10; ISSN 1996-1073
Publisher:
MDPICopyright Statement
Country of Publication:
United States
Language:
English

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14 SOLAR ENERGY
Integrated System Model (ISM)
Graph Trace Analysis (GTA)
Advanced Metering Infrastructure (AMI)
Supervisory Control And Data Acquisition (SCADA)
coordinated control
cyber-attack
smart inverter