Over the last few years, light-emitting diodes have completely dominated the lighting field. In
road lighting, high-power LEDs have replaced traditional light sources. That is why various …

The technological change to LEDs is an unstoppable reality which, little by little, is becoming
increasingly important in terms of the lighting inside and outside our homes. The exterior …

In this work, a practical methodology is proposed to analyze, before undertaking a large
investment, an outdoor lighting installation renewal with light-emitting diode (LED) …

This paper presents experimentally obtained luminous flux to input power characteristics of
high-pressure sodium and LED luminaires used in road lighting, confirming that when …

The replacement of luminaires with discharge lamps with high luminous efficacy and long
life-time LED based equipment is a reality worldwide promoted by policies that favor their …

One of the aims of the modernization of the existing road lighting installations is to improve
their energy efficiency. EN 13,201–5 standard introduces energy performance indicators for …

The paper considers two power quality issues: voltage distortion and voltage drop along the
pole lines of different LED street (road) lighting installations. The research includes three …

Solid-state lighting technology, such as LED devices, is critical to improving energy
efficiency in street lighting systems. In Ecuador, government policies have established the …

In recent years, a progressive renovation of public lighting has been taking place in cities,
from metal halide lamps to LED luminaires. This renovation has been carried out on a large …

In the following years, a massive use of Light-Emitting Diode (LED) lamps is expected to
occur in the residential sector. As these lamps include a power electronic interface, their …