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An electromagnetic transient model and control strategy for the voltage source converter based HVDC transmission

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4 Author(s)
Cheng Huang-fu ; China Electr. Power Res. Inst., Beijing ; Guang-Fu Tang ; Jiang-jun Ruan ; Yan Wang

This paper proposes an electromagnetic transient model and control strategy for the voltage source converter (VSC) based HVDC transmission. The electromagnetic transient model of the VSC AC-side in the synchronous d-q reference frame has been built; the DC-side dynamics are formulated based on the principle of instantaneous power balance, the instantaneous power absorbed by three-phase series inductors is also considered. For the purpose of control active power and reactive power separately and faster, a decoupled controller based on feed forward compensation method has been designed. The simulation tests realized by PSCAD/EMTDC that VSC-HVDC supplying passive network and connect active network have been adopted. The simulation results verify the validity of the mathematical model and the feasibility of the control strategies.

Published in:

Electric Utility Deregulation and Restructuring and Power Technologies, 2008. DRPT 2008. Third International Conference on

Date of Conference:

6-9 April 2008