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LED technology has transformed lighting, providing efficiency and durability.
However, an often overlooked aspect is the Power Factor (PF), which plays a key role in the energy efficiency of LED systems.
A driver, or power supply, is an essential electronic component that is responsible for regulating and supplying the electrical current needed to power the light-emitting diodes (LEDs).
Its main function is to convert the alternating current (AC) coming from the mains into direct current (DC), thus ensuring an adequate and stable power supply for proper operation.
During this conversion process, a phase shift occurs between voltage (V) and current (A).
This mismatch, determined by the quality of the driver, can significantly affect the overall performance of the power system.
The PF, represented on a scale from 0 to 1, acts as an indicator of this phase shift or energy loss. A PF of 1 indicates a system with no phase shift, which is ideal for maximum efficiency.
On the other hand, the lower this value, the higher the phase shift and consequently the higher the power consumption of the LED system as a whole.
For the power factor formula: PF = cos(θ), where θ is the phase angle between current and voltage.
It can also be calculated by dividing the active power (kW) by the apparent power (kVA). (See Kilovoltampere).
The relationship between FP and energy consumption is direct:
The lower the FP, the higher the consumption.
This means that the efficiency of LED lighting depends not only on the quality of the light emitting diodes, but also on the driver’s ability to minimise the phase shift.
It is not only the energy consumption that is affected by low FP, but also the associated costs. An inefficient LED system not only increases the utility bill, but also requires more installation capacity, which means additional expenses.
From an environmental perspective, increased energy consumption contributes to higher resource demand and greenhouse gas emissions.
Thus, improving FP not only benefits finances, but also addresses environmental concerns.
For power factor (PF) correction and to optimise energy efficiency in LED lighting, it is essential to consider the quality of the current drivers. Choosing drivers with a high PF ensures optimum performance, minimising phase shift and thus reducing energy consumption in electrical circuits.
In addition, it is essential to involve LED design and installation professionals to ensure that specifications are met and efficiency is maximised in each project.
Power Factor emerges as a key element to evaluate and improve the useful energy in an electrical equipment or LED lighting system.
By understanding the relationship between FP, lag and energy consumption, we can make informed decisions that benefit both finances and the environment.
Investing in high quality drivers with a PF close to 1 is essential to ensure optimal and sustainable performance.
Our focus is on selecting and recommending high quality electronic components that contribute to maximising the lifetime, efficiency and overall performance of the LED lighting solutions we offer.
At Actilum we understand that the proper implementation of inputs and components not only impacts energy efficiency, but also economic and environmental aspects, which supports our commitment to sustainable and innovative solutions.
Contact us for advice on this and other topics related to your next lighting project!
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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.