Abstract
Currently, the lighting system for corridors and public areas in high-rise apartment buildings uses LED systems to replace Sodium lamps, halogen lamps... Although LED lights have been put into use, there are economic benefits such as lower power consumption and longer durability (life expectancy) according to the manufacturer's explanation. But in practice, the LEDs are used with pulse sources with operating voltages from 170VAC to 240VAC and continuous operation time without rest, often resulting in power loss due to overload or the life of the capacitor is reduced. Therefore, in order to improve the life span and efficiently use the energy source, the researches have studied the switching process control such as [1], [2], [3], [5]. This paper presents a new research direction Automatically shedding loads for lighting systems in corridors and public areas in high-rise apartment buildings for greater efficiency.
Highlights
In the process of use, the power supply only provides a fixed and continuous voltage, leading to continuous lighting at maximum power, causing the LED elements in the lamp to age quickly, affecting the intensity of the lamp brightness during use, LED power supplies are designed with a fairly wide voltage range, but use in areas with unstable voltages has not really brought high efficiency
This paper presents a new research direction Automatically shedding loads for lighting systems in corridors and public areas in high-rise apartment buildings for greater efficiency
For example: At the beginning of the evening from 5pm to 8pm due to the low voltage in areas with poor power quality, the power supply does not meet the maximum power for LED, the lights will be darker compared with the time from 11 am to 3 am when there are few people using electricity or few people walking in public areas and corridors
Summary
In the process of use, the power supply only provides a fixed and continuous voltage, leading to continuous lighting at maximum power, causing the LED elements in the lamp to age quickly, affecting the intensity of the lamp brightness during use, LED power supplies are designed with a fairly wide voltage range, but use in areas with unstable voltages has not really brought high efficiency. This paper presents a new research direction Automatically shedding loads for lighting systems in corridors and public areas in high-rise apartment buildings for greater efficiency. For example: At the beginning of the evening from 5pm to 8pm due to the low voltage in areas with poor power quality, the power supply does not meet the maximum power for LED, the lights will be darker compared with the time from 11 am to 3 am when there are few people using electricity or few people walking in public areas and corridors.
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