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Harmonic interference by the high voltage distribution system is concentrated in phase advancing equipment of the customer, it arises, and it has lectured on various countermeasures. However, it seems to be the situation which can not be at present off guard. It is not possible to examine the higher harmonic countermeasure, when the flow of the higher harmonic is not grasped. It is indispensable that constitution of phase advancing equipment of the customer and the operational condition are known for the grasp. In this paper, the new method named “projective power factor angle convergent method” which estimated the capacity of phase advanced capacitor from observation result of receiving voltage and current was proposed. According to this method, there is hardly the constraint in the application for usual method, and the high estimation accuracy is obtained. In addition, it is possible to also easily estimate the total capacity of the condenser put into the identical feeder of a distributing substation output.

The Research on the Estimation of the Customer&rsquo;s Phase Advancing Equipment Constitution from High Voltage Receiving Characteristics

The Research on the Estimation of the Customer’s Phase Advancing Equipment Constitution from High Voltage Receiving Characteristics