On the reduction of the third-order harmonic losses in low–voltage power cables used for feeding large LED and CFL lighting loads.
Date
2017
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Abstract
An experimental investigation of diversity factors for
LED (light emitting diode) in combination with CFL
(compact fluorescent lamps) and LED lamps is presented in
this paper. Attention was paid to the reduction of low–order
harmonic currents, especially the third one; which is mainly
responsible for the strong increase in power losses in the
neutral conductor of low–voltage installations. The
harmonic currents drawn by several LED and CFL lamps
with nominal powers < 25 W were first measured to
investigate the electrical characteristics of individual lamps.
The results showed a sensible reduction of the harmonic
current of third order and therefore a marked reduction of
the power losses associated with them. The convenience of
having LED lamps designed to operate as two–phase loads
is suggested for certain applications of significant power
demand.
Description
Keywords
LED lamps., Compact fluorescent lamps.
Citation
ADVANCED ELECTROMAGNETICS.
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