The objective of this study is
to observe the correlations between variable operating conditions and power
quality parameters for a three-phase to single-phase cycloconverter. The
cycloconverter is examined in its most straightforward form without additional
output filters or elaborate control methods. Variable operating conditions include
input frequency, output frequency, and resistive load size. The power quality parameters
of interest are power factor, input current total harmonic distortion (THD), output
voltage THD, and efficiency. The scope of the project includes analytical calculations,
Matlab/Simulink simulations, and /or hardware implementation. The results show
that output frequency has minimal effect on power quality. Total harmonic distortion
undesirably peaks at a combination of low input frequency and high output frequency.
Extrapolations can be made for the cycloconverter operating at different frequencies
and loads based on the trends observed within the test matrix. This can be a
good design and innovative exercise to perform.
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