Downstream network modeling for switching transients in EHV networks containing cables

F. Barakou, M.H.J. Bollen, S. Mousavi Gargari, P.A.A.F. Wouters, E.F. Steennis

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

4 Citations (Scopus)


For the study of switching transients in Extra High Voltage (EHV) networks it is common practice to model a relatively small part of the EHV network. The downstream network is either disregarded or modeled as a parallel RC or RL circuit, based on the powerflow, directly at the secondary side of the transmission transformer. In this paper an investigation for the extent and model type of the downstream network (below 380 kV) is performed. A detailed model for an example downstream network is developed. Different simplifications and equivalent models are compared in frequency domain and in time domain, during cable energization. The impact of the lower voltage network on both the maximum overvoltage and the harmonic content during energization is assessed. Moreover, components that are of major importance are identified and proper equivalent models for the downstream network are proposed. Simulation results show that in particular the type of the 150 kV network (underground cable or overhead line) affects greatly both the maximum overvoltage and the harmonic content during energization. On the other hand, the parameters of end customer loads have only minor effect.
Original languageEnglish
Title of host publication2017 IEEE Manchester PowerTech, 18-22 June 2017, Manchester, United Kingdom
Place of PublicationPiscataway
PublisherInstitute of Electrical and Electronics Engineers
Number of pages6
ISBN (Electronic)978-1-5090-4237-1
ISBN (Print)978-1-5090-4238-8
Publication statusPublished - 20 Jul 2017
Event2017 IEEE PowerTech Manchester - University of Manchester, Manchester, United Kingdom
Duration: 18 Jun 201722 Jun 2017
Conference number: 12


Conference2017 IEEE PowerTech Manchester
Abbreviated titlePowerTech 2017
Country/TerritoryUnited Kingdom
OtherTowards and Beyond Sustainable Energy Systems
Internet address


  • Power transmission
  • load modeling
  • power system harmonics
  • power system simulation
  • power system transients
  • underground power cables


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