Discrepancy in the Reactive Energy Measurement in Single Phase Systems (original) (raw)

The increasing amount of loads with low power factor (PF) in the residential consumption, in Argentina, is cause of preoccupation by distribution companies and cooperatives, affected by the increase of the low voltages in the network, increases of losses and the consequent diminution of the capacity of its equipment. The cause of this diminution is not only due to the incorporation of equipment with inductive behavior, but, in a great extent, by the contribution of loads with strong harmonic distortion. For this reason and in order to monitoring this problem, is usual to replace the conventional measuring devices by other (electronic ones), which are able to register reactive energy. In present paper, authors show different possibilities to study and interpret the reactive energy. They cause the mentioned differences. The theoretical developments are complemented with simulations and laboratory measurements, on two different single-phase electronic measurement devices, supplied by their manufacturers.

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