High-efficiency voltage regulator and stabilizer for outdoor lighting installations

Blánquez, F. R.; Rebollo, E.; Blázquez, Francisco Cuadros; Platero, Carlos A.; Frías, Pablo

doi:10.1109/optim.2012.6231839

Cited by 9 publications

(8 citation statements)

References 7 publications

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“…The main problem of using ballasts for dual power levels is that these systems act locally, requiring an adjustment device attached to each of the individual charges and also a general control system (Blanquez et al 2012). Regulators and stabilizers are able to control the voltage according to different parameters such as number of vehicles per hour (Moghadam and Mozayani 2011), weather conditions, or the presence of pedestrians (Zotos et al 2012).…”

Section: Renewable Energy Contributionmentioning

confidence: 99%

“…A good example to understand the benefits of regulators and stabilizers is the research carried out by Blanquez et al (2012) can be used. If we followed the recommendations of the Dutch ministry, dimmable road lighting systems could operate at 20 % when the density of traffic at night is low, at 100 % when the traffic density is high, and 200 % when there is a combination of high traffic density and exceptional conditions such as fog.…”

Section: Renewable Energy Contributionmentioning

confidence: 99%

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A review of energy efficiency label of street lighting systems

et al. 2016

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There are very few countries that have provisions addressing the energy efficiency of the whole street lighting system, such as Spain or the Netherlands. Nevertheless, there is not an agreement about how energy efficiency must be assessed. The Spanish Government contemplates it in the Royal Decree 1890/2008 with the goal of improving energy savings and efficiency. However, this has not obtained the expected results. Nowadays, energy efficiency of this kind of systems is assessed using a label. In the case of Spain, this label only assesses one magnitude. The contributions of this paper are two evaluation systems (kiviat diagram and pie chart) which assess five magnitudes: lamps, energy efficiency index, light pollution, renewable energy contribution, and harness of the luminous flux using dimming. After that, a survey was done to study several subjects: (1) if citizens are aware about the efficiency of street lighting systems, (2) whether the sample of colors used in the label is adequate, and (3) if our proposed systems could replace the current evaluation system. Finally, the paper finishes with the conclusions of the survey.

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Section: Renewable Energy Contributionmentioning

confidence: 99%

Section: Renewable Energy Contributionmentioning

confidence: 99%

A review of energy efficiency label of street lighting systems

et al. 2016

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“…The main problem of using ballasts for dual power levels is that these systems act locally, requiring an adjustment device attached to each of the individual charges and also a general control system to control all of them [47]. Regulators and stabilizers are able to control the voltage according to different parameters such as number of vehicles per hour [48], weather conditions or the presence of pedestrians [49].…”

Section: Lighting Level Control Devicesmentioning

confidence: 99%

A Study to Improve the Quality of Street Lighting in Spain

et al. 2015

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Street lighting has a big impact on the energy consumption of Spanish municipalities. To decrease this consumption, the Spanish government has developed two different regulations to improve energy savings and efficiency, and consequently, reduce greenhouse-effect gas emissions. However, after these efforts, they have not obtained the expected results. To improve the effectiveness of these regulations and therefore to optimize energy consumption, a study has been done to analyze the different devices which influence energy consumption with the intention of better understanding their behavior and performance. The devices analyzed were lamps, ballasts, street lamp globes, control systems and dimmable lighting systems. To improve their performance, they have been analyzed from three points of view: changes in technology, use patterns and standards. Thanks to this study, some aspects have been found that could be taken into account if we really wanted to use energy efficiently.

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“…On the opposite, the electronic ballasts offer low energetic losses and excellent dimming features, but for a lower reliability and higher cost. The possibilities to dim the light output as well the consumed power in the case of magnetic ballasts are resumed in Table I [8][9][10].…”

Section: Dimming Capabilities Of Magnetic Ballastsmentioning

confidence: 99%

“…Blanquez et al [8] propose a fully electromagnetic regulator and stabilizer installed in header line that assures a proportional variation of the luminous flux, the voltage and the power of the lamps (a reduction of 50% of output light implies a reduction of approximately 40% of the power consumed by the facility). Chung et al proposed a hybrid central dimming system, where an AC-AC power electronic system inserts an auxiliary voltage into the power system, so as to smoothly vary the output voltage for dimming the magnetic-ballast-driven lighting system [7].…”

Section: Introductionmentioning

confidence: 99%

HID lamps dimming in the public lighting installations dominated by magnetic ballasts

Rakotomalala

Randriamanantany

Chiriac

et al. 2014

2014 International Conference on Applied and Theoretical Electricity (ICATE)

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Due to their lumen per watt efficiency, the HID lamps are wide used especially in the outdoor applications, but also in indoor industrial or commercial ones. The ballasts necessary for their normal operation could be magnetic or electronic and in the last decade we assist to a long debate on which is a better option. The dimming capabilities are one of the most claimed advantages of the electronic ballasts. But, in the last years, several lower cost solutions for getting dimmability with magnetic ballasts have been reconsidered. In this paper, the possibility to dim lamps trough the voltage amplitude modulation by means an autotransformer is explored. This solution can be cheaper, robust and most suited for the low budget Africa's lighting systems. Several experimental tests have been performed on two type of 250W HID lamps, a High Pressure Sodium (HPS) and a Metal Halide (MH), operated by a Very-Low-Loss (VLL) magnetic ballast. The range of the voltage modulation has been from 160Vto 250V and the power consumption, the light output and the harmonics content have been recorded. The results confirm once again the validity of this proposed solution. The energy-saving per lamp by dimming to 160V is about 55 % for HPS lamp and 52.72% for MH lamp.

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High-efficiency voltage regulator and stabilizer for outdoor lighting installations

Cited by 9 publications

References 7 publications

A review of energy efficiency label of street lighting systems

A review of energy efficiency label of street lighting systems

A Study to Improve the Quality of Street Lighting in Spain

HID lamps dimming in the public lighting installations dominated by magnetic ballasts

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