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Digital hardware emulation of universal machine and universal line models for real-time electromagnetic transient simulation

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2 Author(s)
Yuan Chen ; Department of Electrical and Computer Engineering, University of Alberta, Edmonton, AB T6G 2V4, Canada ; Venkata Dinavahi

Real-time electromagnetic transient simulation plays an important role in the planning, design, and operation of power systems. Inclusion of accurate and complicated models, such as the universal machine (UM) model and the universal line model (ULM), requires significant computational resources. This paper proposes a digital hardware emulation of the UM and the ULM for real-time electromagnetic transient simulation. It features accurate floating-point data representation, paralleled implementation, and fully pipelined arithmetic processing. The hardware is based on advanced field-programmable gate array (FPGA) using VHDL. A power system transient case study is simulated in real time to validate the design. On a 130-MHz input clock frequency to the FPGA, the achieved execution times for UM and ULM models are 2.5 μs and 1.42 μs, respectively. The captured real-time oscilloscope results demonstrate high accuracy of the emulator in comparison to the offline simulation of the original system in the EMTP-RV software.

Published in:

2012 IEEE Power and Energy Society General Meeting

Date of Conference:

22-26 July 2012