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Large-Scale Real-Time Electromagnetic Transient Simulation of Power Systems Using Hardware Emulation on FPGAs Open Access


Other title
Digital hardware simulation
Electromagnetic transients
Power system
Type of item
Degree grantor
University of Alberta
Author or creator
Chen, Yuan
Supervisor and department
Dinavahi, Venkata (Electrical and Computer Engineering)
Examining committee member and department
Marti, Jose R. (Electrical and Computer Engineering, University of British Columbia)
Nowrouzian, Behrooz (Electrical and Computer Engineering)
Sameoto, Dan (Mechanical Engineering)
Knight, Andy (Electrical and Computer Engineering)
Salmon, John (Electrical and Computer Engineering)
Department of Electrical and Computer Engineering
Power Engineering and Power Electronics
Date accepted
Graduation date
Doctor of Philosophy
Degree level
This thesis describes how FPGAs can be used for realizing real-time electromagnetic transient simulation of large-scale power systems using digital hardware emulation. Detailed parallel hardware modules for various power system components are described, including linear lumped RLCG elements, supply sources, circuit breakers. Hardware modules for transmission lines include traveling wave (Bergeron) model, frequency-dependent line model (FDLM), and universal line model (ULM). Various rotating electric machines are modeled using universal machine (UM) model. The network solution exploits sparse matrix techniques for improved efficiency. A novel parallelled EMT solution algorithm is described that accommodates the parallel FPGA architecture. For inclusion of nonlinear elements in power system, a parallel iterative nonlinear network solver is described that uses Newton-Raphson method both continuous and piecewise. Multiple FPGAs are utilized for real-time EMT emulation of large-scale power systems. A novel functional decomposition method is introduced to allocate the model components to the available hardware emulation modules in the FPGAs. All hardware arithmetic units designed are deeply pipelined to achieve highest computation throughput. 32-bit floating-point number representation is used for high accuracy throughout the EMT simulation. The whole design is based on VHDL for portability and extensibility.
Permission is hereby granted to the University of Alberta Libraries to reproduce single copies of this thesis and to lend or sell such copies for private, scholarly or scientific research purposes only. Where the thesis is converted to, or otherwise made available in digital form, the University of Alberta will advise potential users of the thesis of these terms. The author reserves all other publication and other rights in association with the copyright in the thesis and, except as herein before provided, neither the thesis nor any substantial portion thereof may be printed or otherwise reproduced in any material form whatsoever without the author's prior written permission.
Citation for previous publication
X. Nie, Y. Chen, and V. Dinavahi, ``Real-time transient simulation based on a robust two-layer network equivalent'', IEEE Trans. on Power Systems, vol. 22, no. 4, pp. 1771-1781, November 2007Y. Chen and V. Dinavahi, ``FPGA-based real-time EMTP'', IEEE Trans. on Power Delivery, vol. 24, no. 2, pp. 892-902, April 2009Y. Chen and V. Dinavahi, ``An iterative real-time nonlinear electromagnetic transient solver on FPGA'', IEEE Trans. on Industrial Electronics, vol. 58, no. 6, pp. 2547-2555, June 2011.Y. Chen and V. Dinavahi, ``Digital hardware emulation of universal machine and universal line models for real-time electromagnetic transient simulation'', IEEE Trans. on Industrial Electronics, vol 59, no. 2, pp. 1300-1309, February 2012.Y. Chen and V. Dinavahi, ``Multi-FPGA digital hardware design for large-scale real-time EMT simulation of power systems'', submitted to IEEE Trans. on Industrial Electronics, pp. 1-8, 2011.

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