Identification of resonance interactions in offshore-wind farms connected to the main grid by MMC-based HVDC system
M Beza, M Bongiorno - International Journal of Electrical Power & Energy …, 2019 - Elsevier
The transient stability of an offshore-wind farm connected to the main ac grid by a high-
voltage direct current (HVDC) system depends on the control settings of the converters, the …
voltage direct current (HVDC) system depends on the control settings of the converters, the …
Recent contributions and future prospects of the modular multilevel converters: A comprehensive review
The modular multilevel converters (MMCs) are frequently preferred for medium and high
power energy conversion systems thanks to their modular structure and high quality output …
power energy conversion systems thanks to their modular structure and high quality output …
Impedance Modeling of Modular Multilevel Converter in D-Q and Modified Sequence Domains
S Zhu, L Qin, K Liu, K Ji, Y Li, Q Huai… - IEEE Journal of …, 2020 - ieeexplore.ieee.org
Modular multilevel converters (MMCs) are characterized by the multiharmonic coupling
interactions among internal dynamics. In this work, multiple-references and multiharmonic …
interactions among internal dynamics. In this work, multiple-references and multiharmonic …
Study on response characteristics of grid‐side converter controller of PMSG to sub‐synchronous frequency component
T Bi, J Li, P Zhang, E Mitchell‐Colgan… - IET renewable power …, 2017 - Wiley Online Library
Multiple sub‐/super‐synchronous frequency components were detected when sub‐
synchronous oscillation (SSO) occured in permanent magent synchronous generator …
synchronous oscillation (SSO) occured in permanent magent synchronous generator …
Study of resonance issues between DFIG-based offshore wind farm and HVDC transmission
Wide-frequency range of resonances can occur in HVDC-connected DFIG-based offshore
wind farm (OWF), thus induce large harmonic distortion or endanger system stability …
wind farm (OWF), thus induce large harmonic distortion or endanger system stability …
Comparison of methods to examine sub-synchronous oscillations caused by grid-connected wind turbine generators
W Du, B Ren, H Wang, Y Wang - IEEE Transactions on Power …, 2019 - ieeexplore.ieee.org
This paper compares three methods, the impedance model based analysis, the positive net
damping analysis, and the open-loop modal resonance analysis. The differences and …
damping analysis, and the open-loop modal resonance analysis. The differences and …
Sub-synchronous oscillations in power systems caused by grid-connected wind farms—A survey of mechanism studies
C Chen, W Du, H Wang, T Littler - CSEE Journal of power and …, 2018 - ieeexplore.ieee.org
Sub-synchronous oscillation (SSO) incidents caused by dynamic interaction between wind
farms and power system grids can threaten safe and reliable operations. This paper …
farms and power system grids can threaten safe and reliable operations. This paper …
Capacitor voltage estimation scheme with reduced number of sensors for modular multilevel converters
OSHM Abushafa, SM Gadoue… - IEEE Journal of …, 2018 - ieeexplore.ieee.org
This paper presents a new method to measure the voltage across the submodule (SM)
capacitors in a modular multilevel converter (MMC). The proposed technique requires only …
capacitors in a modular multilevel converter (MMC). The proposed technique requires only …
Adequacy of the single-generator equivalent model for stability analysis in wind farms with VSC-HVDC systems
Due to the complexity of detailed models, the single-generator equivalent model (SEM) of a
wind farm is commonly used to facilitate the stability analysis. However, the adequacy of the …
wind farm is commonly used to facilitate the stability analysis. However, the adequacy of the …
Stability and sensitivity analysis of multi-vendor, multi-terminal HVDC systems
Multi-terminal HVDC projects are increasingly developed in recent years to enhance the
flexibility of energy transmission. Differing from the point-to-point HVDC systems, it is more …
flexibility of energy transmission. Differing from the point-to-point HVDC systems, it is more …