Positive-Negative Sequence Current Controller for LVRT Improvement of Wind Farms Integrated MMC-HVDC Network
نویسندگان
چکیده
منابع مشابه
HVDC Light for connection of wind farms
There is an increasing amount of wind farms that need to be connected to the AC transmission network. Offshore wind farms will be connected to the ac system via long submarine cables. Integration of offshore wind farms with HVDC transmission based on Voltage Source Converters (VSC), such as HVDC Light, is an advantage due to regulating properties of HVDC Light. The purpose with the Tjæreborg pr...
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In this paper, a nonlinear controller for VSC-HVDC transmission system is proposed. The feedback linearization based nonlinear differential-geometric techniques is used to cancel nonlinearities and decouple the input control variables. A predictive current control (PCC) method is also proposed. It can predict the current reference for the next sampling instant rapidly and accurately. Comprehens...
متن کاملPower Quality Improvement and LVRT Capability Enhancement of Wind Farms by Means of an Inductive Filtering Method
Yanjian Peng 1, Yong Li 1,*, Zhisheng Xu 2, Ming Wen 2, Longfu Luo 1, Yijia Cao 1 and Zbigniew Leonowicz 3 1 College of Electrical and Information Engineering, Hunan University, Changsha 410082, China; [email protected] (Y.P.); [email protected] (L.L.); [email protected] (Y.C.) 2 Hunan Electrical Power Corporation Economical & Technical Research, Changsha 410004, China; [email protected] (Z.X.)...
متن کاملRedundancy Determination of HVDC MMC Modules
An availability and a reliability prediction has been made for a high-voltage direct-current (HVDC) module of VSC (Voltage Source Converter) containing DC/DC converter, gate driver, capacitor and insulated gate bipolar transistors (IGBT). This prediction was made using published failure rates for the electronic equipment. The purpose of this prediction is to determinate the additional module re...
متن کاملSubsynchronous Torsional Interaction of Wind Farms with FSIG Wind Turbines Connected to LCC-HVDC Lines
High-voltage direct current (HVDC) lines with line-commutated converter (LCC) are being increasingly employed to transmit bulk wind power over long distance. However, this may cause the sub-synchronous torsional interaction (SSTI) between the wind farms and the LCC-HVDC system. The SSTI characteristics of wind farms with fixed-speed induction generator (FSIG) wind turbines connected to LCC-HVDC...
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ژورنال
عنوان ژورنال: IEEE Access
سال: 2020
ISSN: 2169-3536
DOI: 10.1109/access.2020.3032400