Medida de energía Medida de energía en condiciones en condiciones de distorsión y desequilibrio

Abstract

Nowadays the study of power

quality is a critical issue due to

the proliferation of “nonlinear”

consumers connected to the grid,

most of them electronic loads

which produce voltage and current

waveforms distortion, causing a worse

operation of the power system and

leading to higher losses. At present,

“bad customers” of power energy are

only penalized due to reactive power

consumption. The measurement of

this consumption is made by using

conventional energy meters designed

to operate under sinusoidal and

balanced systems with parameters

within the required limits. In this

paper the experimental validation of

these devices in low voltage power

systems with harmonic distortion and

imbalance is carried out. Finally, a

new ratio is proposed for the electrical

billing, to penalize at the same time

the reactive power consumption, the

harmonic pollution and the imbalance.