Upper gastrointestinal symptoms are more common in subjects with a higher consumption of spicy foods, younger age and female gender, regardless of TRPV1 genotypes and the H. pylori infection status. Capsaicin-rich foods may induce stomach fullness.
In the 3-phase power system, unbalanced voltage with harmonics can be detected on the synchronous reference frame. Assuming that there is no neutral path in the power system, unbalanced voltage with harmonic components has dc component, 2nd harmonic, and the other harmonic components. Therefore, it is possible to compensate unbalanced voltage and harmonic voltage by cancelling the harmonic components, exclusive of dc component on the d-q axis.In addition, by adjusting the value of dc component obtained from positive sequence, the regulation of load voltage is achieved. This paper presentes an algorithm performing compensation of unbalanced and harmonic voltage as well as maintaining the constant voltage in the load side. The compensating characteristics of proposed instantaneous voltage compensator are also discussed.
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