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MODELING AND SIMULATION OF VSC-HVDC WITH DYNAMIC PHASORS

Journal Name:

  • Istanbul University Journal of Electrical & Electronics Engineering

Publication Year:

  • 2008

Key Words:

Author NameUniversity of Author
Abstract (2. Language): 
A novel dynamic phasors method to model voltage sources converter based HVDC (VSC-HVDC) transmission system is proposed in this paper. This approach is based on the time-varying Fourier series coefficients of the system variables, and focused on the dynamics of the Fourier coefficients. Followed by the time-domain converter station model for VSC-HVDC described by switch function, detailed analysis of the VSC-HVDC dynamic phasors model is presented in this paper. The VSC-HVDC model is simplified by keeping important system state variables that corresponding to the time-varying Fourier series, which include the converter station switching function considering both the DC component and basic frequency component, and the DC transmission line considering only the DC component. Therefore, high frequency switching process is greatly simplified. Typical simulation results show that this method can ensure simulation accuracy and reduce computational cost at the same time.
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MODELING AND SIMULATION OF VSC-HVDC WITH
DYNAMIC PHASORS
Wei YAO, Jinyu WEN, Shijie CHENG
724
Biographies
Wei Yao was born in Hubei, China in 1983. He
received his B.S. degrees from Huazhong
University of science and technology (HUST),
China in 2004, where he is currently pursuing
the Ph.D. degree. His research interests are
power system control and modeling.
Jinyu Wen received the B.S. and Ph.D. degrees
in electrical engineering from Huazhong
University of Science and Technology (HUST),
Wuhan, China, in 1992 and 1998, respectively.
He is a Professor at HUST. He was a
Postdoctoral Researcher with HUST from 1998
to 2000, and the Director of Electrical Grid
Control Division, XJ Relay Research Institute,
Xuchang, China, from 2000 to 2002. His
research interests include evolutionary
computation, intelligent control, power system
automation, power electronics and energy
storage.
Shijie Cheng graduated from the Xi’an Jiaotong
University, Xi’an, China in 1967 and received a
Master of Engineering Degree from the HUST,
Wuhan, China in 1981 and a Ph.D. from the
University of Calgary, Calgary, Canada in 1986
all in the Electrical Engineering. He is now a
full professor at the HUST. His research
interests are power system control, stability
analysis of power system and application of Al
in power systems.

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