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Luminous efficiency or luminous efficacy (lm/W) is the measure for evaluating the performance of light sources, especially in the context of technologies such as LED luminaires.
This indicator is defined, for example, as the quotient or ratio between the luminous flux of a lamp, measured in lumens, and the electrical power consumed.
When a light source, such as LED lamps, operates with high luminous efficiency and adequate power, it means that it is generating more light with less electrical energy.
This efficiency is essential because energy that is not converted into light is dissipated as heat. Consequently, higher luminous efficiency means less energy wasted in the form of heat and higher efficiency in terms of luminous flux emitted.
Luminous efficiency (lm/W) is calculated by dividing the luminous flux, expressed in lumens, by the power consumed, measured in watts. This simple but powerful formula gives us a direct quantitative indicator of how much light is produced for each unit of electrical energy used.
In other words, the formula is expressed as:
| Luminous Efficiency (lm/W) = |
Luminous Flux (lm)
Power Consumption (W) |
Understanding each component of this equation is essential.
Understanding the luminous efficiency of LEDs is fundamental to the design of efficient and sustainable lighting systems.
Luminous flux: 800 lumens
Power Consumption: 60 watts
Luminous Efficiency: 800/ 60 = 13.33 lm/W
Luminous flux: 500 lumens
Power Consumption: 50 watts
Luminous Efficiency: 500/50 = 10 lm/W
Luminous flux: 1200 lumens
Power Consumption: 10 watts
Luminous Efficiency: 1200/10 = 120 lm/W
More advanced technologies, such as LEDs, tend to offer much higher luminous efficacies compared to older technologies, such as incandescent lamps or halogen bulbs.
Higher luminous efficacy indicates that more light is being generated with less energy consumption, which is essential for efficient and sustainable lighting.
At Actilum, we recognise the importance of luminous efficiency as a key element in creating state-of-the-art lighting solutions.
Our dedication to luminous efficiency and performance translates not only into the careful selection of technologies such as high-performance LEDs, but also into the intelligent design of lighting systems that maximise light output while minimising energy consumption.
We are constantly looking for ways to improve the luminous efficiency of our products, adopting technological innovations and design strategies that optimise the balance between luminous flux and energy consumption.
This approach not only aligns with today’s sustainability standards, but also ensures that our customers experience lighting solutions that go beyond conventional efficiency.
At Actilum, we understand that every project has unique requirements. That’s why our team of experts not only provide leading LED luminous efficacy products, but also offer expert advice.
We believe in the importance of measuring results. That’s why we implement accurate metrics to evaluate the luminous efficiency of our projects.
This not only allows us to ensure optimum performance, but also gives our customers peace of mind that they are investing in lighting solutions with real and measurable impact.
Our commitment to sustainability goes beyond luminous efficiency. We consider aspects such as the lifespan of our products, the use of environmentally friendly materials and the responsible management of resources.
We are firmly committed to leading the way towards a future where lighting is not only efficient, but also environmentally friendly.
We are available for questions regarding this and other topics related to your new lighting projects.
Led’s create together
Mándanos tu currículum
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Responsible: Actilum RGB, S.L.
Purpose of the collection and processing of personal data: to manage the request you make in this contact form.
Rights: you may exercise your rights of access, rectification, limitation and deletion of data in info@www.actilum.com, as well as the right to file a complaint with a supervisory authority.
Additional information: in our privacy policy you will find additional information about the collection and use of your personal information. Including information on access, retention, rectification, deletion, security and other topics.