COMPENSATION OF HARMONIC CURRENT UTILIZING AHC
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COMPENSATION OF HARMONIC CURRENT UTILIZING AHC



ABSTRACT:
Today the situation on low voltage AC systems has become a serious concern. The quality of electrical power in commercial and industrial installations is undeniably decreasing. In addition to external disturbances, such as outages, sags and spikes due to switching and atmospheric phenomena, there are inherent, internal causes specific to each site and resulting from the combined use of linear and non-linear loads. Untimely tripping of protection devices, harmonic overloads, high levels of voltage and current distortion, temperature rise in conductors and generators all contribute to reducing the quality and the reliability of a low-voltage AC system. The loads which consume non-sinusoidal currents are called as non-linear load. Acurrate signal conditioning plays an important role in voltage signal. Increase in non-linearity causes different undesirable features like low power factor and low efficiency. Active harmonic conditioners are proving to be viable option for controlling harmonic distortion levels in many applications. It has been proved to be effective when the load is non-linear. The effective operation of the active harmonic conditioner is based on the accurate sensing of the source current, source voltage and DC side capacitor voltage of the filter.
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to get information about the topic Compensation of harmonic currents utilizing AHC ppt's full report ppt and related topic refer the page link bellow

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http://studentbank.in/report-compensatio...lizing-ahc
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