Common Mode Currents in DC Power Routers

Yang Wu, Aditya Shekhar, Thiago Batista Soeiro, Pavol Bauer

Research output: Chapter in Book/Conference proceedings/Edited volumeConference contributionScientificpeer-review

1 Citation (Scopus)
55 Downloads (Pure)

Abstract

The grid reinforcement and energy redirection needs have led to the emergence of Back-To-Back Voltage Source Converter (BTB-VSC) based dc power routers. This paper investigates the low frequency Common Mode Currents (CMCs) that arise in the system if the employed BTB-VSCs have an un-isolated ac path connected in parallel to their output ports. Simulation results are presented to show a sensitivity analysis of lower order harmonics in CMC with respect to the operating active and reactive power of the dc router, dc link voltage, link resistance, modulation method and pole capacitance. Experimental results are shared to show existance of lower order CMC in 3-wire ac link operating in parallel with the dc power router and these are mitigated using zero sequence controller.
Original languageEnglish
Title of host publication2021 IEEE 4th International Conference on DC Microgrids, ICDCM 2021
PublisherIEEE
Pages1-6
Number of pages6
ISBN (Electronic)978-1-7281-8641-2
ISBN (Print)978-1-7281-8642-9
DOIs
Publication statusPublished - 2021
Event 2021 IEEE Fourth International Conference on DC Microgrids (ICDCM) - Virtual at Arlington, United States
Duration: 18 Jul 202121 Jul 2021
Conference number: 4th

Publication series

Name2021 IEEE 4th International Conference on DC Microgrids, ICDCM 2021

Conference

Conference 2021 IEEE Fourth International Conference on DC Microgrids (ICDCM)
Country/TerritoryUnited States
CityVirtual at Arlington
Period18/07/2121/07/21

Bibliographical note

Accepted author manuscript

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