Comparison of Control Techniques for Harmonic Isolation in Series VSC-Based Power Flow Controller in Distribution Grids

Guilherme Gonçalves Pinheiro (), Robson Bauwelz Gonzatti, Carlos Henrique da Silva, Rondineli Rodrigues Pereira, Bruno P. Braga Guimarães, João Gabriel Luppi Foster, Germano Lambert-Torres, Kleverson Sinezio da Silva and Joselino Santana-Filho
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Guilherme Gonçalves Pinheiro: Institute of Engineering and Information Technology (IESTI), Federal University of Itajuba, Itajuba 37500-903, MG, Brazil
Robson Bauwelz Gonzatti: Institute of Engineering and Information Technology (IESTI), Federal University of Itajuba, Itajuba 37500-903, MG, Brazil
Carlos Henrique da Silva: Electric Engineering Department, Federal University of Ouro Preto, Joao Monlevade 35931-008, MG, Brazil
Rondineli Rodrigues Pereira: Institute of Engineering and Information Technology (IESTI), Federal University of Itajuba, Itajuba 37500-903, MG, Brazil
Bruno P. Braga Guimarães: Institute of Engineering and Information Technology (IESTI), Federal University of Itajuba, Itajuba 37500-903, MG, Brazil
João Gabriel Luppi Foster: Institute of Engineering and Information Technology (IESTI), Federal University of Itajuba, Itajuba 37500-903, MG, Brazil
Germano Lambert-Torres: Gnarus Institute, Itajuba 37500-052, MG, Brazil
Kleverson Sinezio da Silva: Engineering Department, EDP Sao Paulo, Sao Paulo 08820-460, SP, Brazil
Joselino Santana-Filho: Engineering Department, EDP Sao Paulo, Sao Paulo 08820-460, SP, Brazil

Energies, 2023, vol. 16, issue 6, 1-27

Abstract: The application of power electronics equipment in medium voltage (MV) distribution grids can provide new management solutions for power flow control, load balancing and voltage problems. A series MV VSC-based power flow controller has recently been presented to interconnect two radial distribution feeders performing active and reactive power transfers to improve the flexibility and utilization of these circuits in a controlled and secure way. Although not previously explored, this power flow controller can integrate the functionality of a series power filter, accomplishing independent control of the fundamental power flow while isolating the harmonic content between the two interconnected feeders. This prevents harmonic pollution from one feeder from propagating to the other, improving the voltage quality. To implement the harmonic isolation, several control strategies can be used. Therefore, this paper provides a comparative analysis between two of the main harmonic control techniques found in the literature: the Synchronous Reference Frame (SRF) controller and the Proportional Resonant (PR) controller. Assessments are conducted both through simulations and experimental results in a meshed network at 13.8 kV with different types of non-linear loads. In the simulation cases, both algorithms showed similar results; however, in the experimental cases, the PR-based solution exhibited better performance in isolating the harmonics from one feeder to the other.

Keywords: distribution; harmonics; series power filters; power flow control; smart grid (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2023
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