A supervisory approach towards cyber-secure generator protection

Rajesh G. Kavasseri, Yinan Cui, Nilanjan Ray Chaudhuri

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Scopus citations

Abstract

Modern microprocessor-based relays can be vulnerable to attacks from sophisticated cyber-adversaries. In the case of synchronous generators, specifically, out of step (OOS) protection, we show that a 'hacked' relay can be made to respond exactly contrary to design, which can be disastrous to system operation. We propose a computational alternative - using the concept of Dynamic State Estimation (DSE) and inputs from Phasor Measurement Units to address this problem. Since DSE does not rely on the 'settings' used in traditional relays, it can be used to independently supervise the operation of the traditional relay. The generator's dynamic states are continuously tracked and monitored using the DSE module during steady state conditions and the dynamics following a fault. We show that this approach can detect OOS conditions consistent with traditional schemes, thus supervising conventional protection and help detection of anomalous behavior from a compromised relay. Dynamic simulation results are presented on the IEEE 10 machine, 39-bus system to illustrate the proposed approach.

Original languageEnglish (US)
Title of host publicationIEEE Proceedings of the 2016 Joint Workshop on Cyber-Physical Security and Resilience in Smart Grids, CPSR-SG 2016 - This Workshop is Part of the CPS Week 2016
EditorsAnna Magdalena Kosek, Paul Smith, Reinder Wolthuis
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781509011643
DOIs
StatePublished - Oct 25 2016
Event2016 IEEE Joint Workshop on Cyber-Physical Security and Resilience in Smart Grids, CPSR-SG 2016 - Vienna, Austria
Duration: Apr 12 2016 → …

Publication series

NameIEEE Proceedings of the 2016 Joint Workshop on Cyber-Physical Security and Resilience in Smart Grids, CPSR-SG 2016 - This Workshop is Part of the CPS Week 2016

Other

Other2016 IEEE Joint Workshop on Cyber-Physical Security and Resilience in Smart Grids, CPSR-SG 2016
CountryAustria
CityVienna
Period4/12/16 → …

All Science Journal Classification (ASJC) codes

  • Computer Networks and Communications
  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering
  • Safety, Risk, Reliability and Quality

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  • Cite this

    Kavasseri, R. G., Cui, Y., & Chaudhuri, N. R. (2016). A supervisory approach towards cyber-secure generator protection. In A. M. Kosek, P. Smith, & R. Wolthuis (Eds.), IEEE Proceedings of the 2016 Joint Workshop on Cyber-Physical Security and Resilience in Smart Grids, CPSR-SG 2016 - This Workshop is Part of the CPS Week 2016 [7684099] (IEEE Proceedings of the 2016 Joint Workshop on Cyber-Physical Security and Resilience in Smart Grids, CPSR-SG 2016 - This Workshop is Part of the CPS Week 2016). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/CPSRSG.2016.7684099