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False Data Injection Impact on High RES Power Systems with Centralized Voltage Regulation Architecture.

Tommaso Bragatto¹, Marco Antonio Bucarelli¹, Maria Sofia Bucarelli²

¹Department of Astronautic Electrical and Energy Engineering, Sapienza University of Rome, 00185 Rome, Italy.

Sensors (Basel, Switzerland)

|March 11, 2023

Summary

Cyberattacks injecting false data into power grids threaten voltage stability. This study shows that securing centralized voltage regulation systems is crucial to prevent widespread electricity interruptions caused by distributed generation.

Keywords:

cybersecurity distributed generation false data voltage regulation

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Area of Science:

Electrical Engineering
Power Systems
Cybersecurity

Background:

Increasing distributed generation (DG) in power distribution networks (DNs) challenges voltage regulation.
Cyberattacks pose significant security and reliability risks for distribution system operators (DSOs).

Purpose of the Study:

To analyze the impact of false data injection on centralized voltage regulation systems.
To assess the effectiveness of current security measures against sophisticated cyber threats.

Main Methods:

Developed a configurable false data generator algorithm for energy sector analysis.
Tested false data injection scenarios on the IEEE 118-bus system with high DG penetration.

Main Results:

False data injection significantly impacts voltage regulation, potentially causing electricity interruptions.
The study demonstrated voltage limit violations due to manipulated data.

Conclusions:

Enhanced security frameworks are essential for DSOs to mitigate risks from false data injection.
Proactive security measures are necessary to ensure the reliability of power distribution networks with DG.