International journal of electronic and electrical engineering systems
Volume 1, Numéro 1, Pages 1-4
2018-03-31
A New Measuring Technique Of The Corona Discharge Current Based On Electrostatic Induction
Authors : Miloua Farid . Aouimeur Djilali . Ouari Abbès .
Abstract
There are many methods currently used in industry and laboratories for measuring the electrical current, which are based on different physical phenomena. Each method offers advantages and drawbacks for current measurement, but the majority of them are based on contact measuring of either the drop voltage in a resistor or the flowing current. The aim of this paper is to develop a new technique based on the electrostatic induction for measurement of the corona discharge current generated by an electrostatic precipitator (ESP). The new patent pending method, which is a non contact measuring technique of the electrical current flowing in a conducting wire, is based on the measured voltage of a Faraday pail, induced by electrostatic induction. In the present work, this device is used for the evaluation of the corona discharge current generated by an electrostatic precipitator. Trichel pulses in the negative polarity were plotted for both cases with and without particles filtration. Obtained results have shown that this new non-contact technique gives as precise measurement values as the classic methods based on direct evaluation of current using an ammeter.
Keywords
Electrostatic influence, Faraday pail, Electrostatic precipitator, discharge current measurement, Filtration efficiency
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