Impact of load modeling on the harmonic impedance seen from the transmission network

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

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

13 Citations (Scopus)
2 Downloads (Pure)

Abstract

Traditionally when studying harmonics at transmission system level the medium and low voltage grid is modeled with either an equivalent short-circuit impedance or a fixed PQ load (based on the powerflow) directly at the secondary side of the transmission transformer. However the recent replacement of conventional loads with electronic loads as well as the extended use of power electronics in LV level will result in reduction of damping and increase of household capacitance which may change the harmonic impedance seen from the upstream network (MV or HV) both in the dominant frequency and magnitude. In this paper a HV feeder is modeled in detail starting from the transmission transformer up to the household equipment to investigate whether changes in the type of load affect the impedance seen from the HV. The simulations are performed using software package PSCAD/EMTDC.
Original languageEnglish
Title of host publication17th International Conference on Harmonics and Quality of Power (ICHQP), Belo Horizonte, Minas Gerais, Brazil, 16-19 October 2016
Place of PublicationPiscataway
PublisherInstitute of Electrical and Electronics Engineers
Pages283-288
Number of pages6
ISBN (Electronic)978-1-5090-3792-6
DOIs
Publication statusPublished - 2016
Event17th International Conference on Harmonics and Quality of Power, ICHQP 2016 - Ouro Minas Palace Hotel, Belo Horizonte, Minas Gerais, Brazil
Duration: 16 Oct 201619 Oct 2016
Conference number: 17

Conference

Conference17th International Conference on Harmonics and Quality of Power, ICHQP 2016
Abbreviated titleICHQP 2016
CountryBrazil
CityBelo Horizonte, Minas Gerais
Period16/10/1619/10/16

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