PLC-based Impedance Measurement and Current Injection Response Analysis

Wei Qiu, Liang Zhang, He Yin, Kaiqi Sun, Lawrence C. Markel, Dahan Liao, Zhi Li, Ben W. McConnell, Yilu Liu

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

2 Scopus citations

Abstract

Studying and mitigating the vulnerabilities of Programmable Logic Controllers (PLCs) to electromagnetic pulse is important for the reliability of the power system. In this paper, an effective impedance measurement scheme is proposed to estimate the susceptibility of PLCs to an electromagnetic pulse. The equivalent non-uniform transmission line model is established to eliminate the impact of the fixture in the de-embedding process. Based on the measured impedance, the equivalent circuit is established to calculate the response of the device when subjected to the electromagnetic pulse. The voltage and current responses of different interfaces are compared utilizing the developed pulse Current Injection (CI) method. Finally, the impedance measurement scheme is verified through testing using three measuring instruments. and the CI simulation experiments reveal the characteristics and susceptibilities of different PLCs interfaces, indicating that some protection measures are required for the reliable operation of PLC.

Original languageEnglish
Title of host publication2021 IEEE Industry Applications Society Annual Meeting, IAS 2021
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781728164014
DOIs
StatePublished - 2021
Event2021 IEEE Industry Applications Society Annual Meeting, IAS 2021 - Vancouver, Canada
Duration: Oct 10 2021Oct 14 2021

Publication series

NameConference Record - IAS Annual Meeting (IEEE Industry Applications Society)
Volume2021-October
ISSN (Print)0197-2618

Conference

Conference2021 IEEE Industry Applications Society Annual Meeting, IAS 2021
Country/TerritoryCanada
CityVancouver
Period10/10/2110/14/21

Funding

This work is supported in part by the CURENT Industry Partnership Program.

Keywords

  • Electromagnetic pulse
  • Impedance measurement
  • Programmable Logic Controllers (PLCs)
  • Pulse Current Injection (CI)

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