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AC fault ride through of modular multilevel converter VSC-HVDC transmission systems
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posted on 2023-06-09, 01:13 authored by Olusegun Olowookere, Spyros Skarvelis-KazakosSpyros Skarvelis-Kazakos, Yehdego Habtay, Steve WoodheadThis paper discusses the AC fault ride through of two terminal modular multilevel converter (MMC) VSC based HVDC integration of combined offshore wind and wave farms. The combined offshore wind and wave farms are modelled as a controllable three phase voltage source connected to a 600MVA, 460kV/370kV transformer. A 31- level MMC has been selected because of acceptable harmonic attributes. Two 300kV DC submarine cables with length of 100km have been employed in this study. A voltage source has been connected in series with an inductive resistive circuit to give a short circuit ratio of 3.5. This paper finally presents a comparative simulation analysis of hysteresis based and PI based DC voltage controller for fault ride through (FRT) capability. The analysis showed that the PI method resulted in smaller overshoots and dips. A high switching frequency PWM based electromagnetic transient (EMT) model in MATLAB/Simulink was developed for the analysis.
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Publication status
- Published
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Page range
1-6Presentation Type
- paper
Event name
50th International Universities Power Engineering Conference (UPEC), 2015Event location
Stoke on TrentEvent type
conferenceEvent date
1-4 September 2015Book title
2015 50th International Universities Power Engineering Conference (UPEC)Department affiliated with
- Engineering and Design Publications
Full text available
- No
Peer reviewed?
- Yes
Legacy Posted Date
2016-05-13Usage metrics
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No categories selectedKeywords
HVDC power convertorsHVDC power transmissionPI controlPWM power convertorshysteresispower transmission controlpower transmission reliabilityshort-circuit currentssubmarine cablesvoltage controlwave power generationwind power plantsCircuit faultsHVDC transmissionHysteresisPower conversionResistorsVoltage controlEMTFRTHVDCMMCPIVSC
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