A New FPGA-Based Real-Time Digital Solver for Power System Simulation

Bingda Zhang, Xianglong Jin, Sijia Tu, Zhao Jin and Jie Zhang
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Bingda Zhang: The Key Laboratory of Smart Grid of Ministry of Education, Tianjin University, Tianjin 300072, China
Xianglong Jin: The Key Laboratory of Smart Grid of Ministry of Education, Tianjin University, Tianjin 300072, China
Sijia Tu: The Key Laboratory of Smart Grid of Ministry of Education, Tianjin University, Tianjin 300072, China
Zhao Jin: The Key Laboratory of Smart Grid of Ministry of Education, Tianjin University, Tianjin 300072, China
Jie Zhang: The Key Laboratory of Smart Grid of Ministry of Education, Tianjin University, Tianjin 300072, China

Energies, 2019, vol. 12, issue 24, 1-22

Abstract: Considering the rational use of field programmable gate array (FPGA) resources, this paper proposes a new FPGA-based real-time digital solver (FRTDS) for power system simulation. Based on the relationship between the number of computing components, the operating frequency, and the pipeline length, the best selection principle is given. By analyzing the implementation method of the Multi-Port Read/Write Circuit, the computing formula of the Look-Up-Table (LUT) consumption was derived. Given the excessive use of LUTs in the original computing components, the computing components were assembled in a single typical arithmetic expression of the power system simulation program, as the basic computing formula was characterized by a subset of the typical computing formula and multiple uses of the same variable. Data communication between different computing components was realized by using Multi-Port Input Circuits that share some outputs of read controller, and Multi-Port Output Circuits, which share some outputs of computing cores. According to the test results of original FRTDS and new FRTDS, it was found that the solution proposed in this paper had a shorter ideal simulation time and a higher parallel computing capability, which was very suitable for real-time digital simulation of power systems.

Keywords: power system; real-time digital simulation; solver; field programmable gate array (FPGA); rational use of resources (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2019
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (4)

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