Measurement of voltage flicker and implementation using FPGA

Authors:
Shu-Chen Wang;Yu-Jen Chen;Chi-Jui Wu
Affiliations:
Department of Computer and Communication Engineering, Taipei College of Maritime Technology, Taipei, Taiwan;Chung-Shan Institute of Science and Technology, Armaments Bureau, MND, Tao-Yuan, Taiwan;Department of Electrical Engineering, National Taiwan University of Science and Technology, Taipei, Taiwan
Venue:
IMACS'08 Proceedings of the 7th WSEAS International Conference on Instrumentation, Measurement, Circuits and Systems
Year:
2008

Citing 2
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Abstract

This paper proposes a field-programmable gate array (FPGA)-based integrated circuit (IC) for measuring voltage flicker using the instantaneous voltage vectors. The proposed design scheme is developed using the very high speed integrated-circuit hardware description language (VHDL). The instantaneous voltage vector module, management module, and quantification modules are developed to construct the entire system. Some novel IP (intellectual property) cores, such as CORDIC and FFT, are used. Then the chip for voltage flicker calculation is designed based on these IP cores and is realized using a signal FPGA (XC3S1500). Some given simulation waveforms and field-measured waveforms with voltage flicker disturbances are adopted to demonstrate that the designed IC can obtain flicker components precisely.