Categories: Sources of light, Energy saving
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How to choose a LED lamp

 

How to choose a LED lampProgress does not stand still, and LED lamps are rapidly appearing on store shelves, gradually displacing not only incandescent lamps, but also compact fluorescent lamps, so beloved by many of those who are used to scrupulously approach energy conservation.

However compact fluorescent lamps (CFL) require special measures when disposing of them, so not everything went smoothly with them. The LED lamp, in turn, is environmentally completely safe. Comparison of different lamps in terms of light output see here: Comparison of the power of various types of lamps

Let's dwell in more detail on how to choose the right LED lamp, if necessary.

First of all, you should understand for yourself that it is not worth chasing cheapness when choosing an LED lamp, because a high-quality LED lamp can work for 50,000 hours. If you translate this into days, for example, 9 hours a day, you get more than 15 years. Therefore, the decision in favor of European manufacturers, which traditionally make very stringent requirements for both the quality of lighting and the reliability of products as a whole, will become quite reasonable.

You can be sure that the voltage converter built into the lamp base is assembled from high-quality components, in compliance with all measures for manufacturability and safety, which can not be said about cheap Chinese copies.

Different kinds of LED lamps
Types of LED Bulbs

Now you need to determine which brightness required by LED lamp. For convenience, we present a table of data regarding the luminous flux of conventional incandescent lamps.

Power and luminous flux of incandescent lamps

The corresponding luminous flux (measured in lumens), which gives a conventional incandescent lamp, is easily achieved by using an LED lamp, but the power consumed from the network will be 7-10 times lower.

To calculate the required power led lamp You can use the following table, which additionally provides data and for replacing compact fluorescent lamps (CFLs) with LED ones.

Data for replacing incandescent and CFL lamps with LED

The next step is to select the lamp base. In modern lighting fixtures, flashlights and other lighting equipment, completely different lampholders are found, and the LED lamp bases are correspondingly different. It is important not to be mistaken, and choose a lamp with a suitable base. Here are the most common types of socles of modern LED lamps. Read more about this here: Types of lamp caps

LED lamp bases
LED lamp bases

An important property of LED lighting is the color temperature, measured in Kelvin. If you want to create a cozy lighting, comfortable for human perception, stop your choice on a warm shade. Warm (yellowish) light is much more comfortable for a person than cold. Cold light (closer to blue) is more suitable for lighting streets, car parks, and industrial premises.

For kitchens, bedrooms, and even for offices, warm lighting is recommended. If you mistakenly set a cold light in a living room, then its residents will become more irritable than they would be if they illuminated their homes with warm light.

color temperature of lamps

The shape of the lamp for each application, for each specific purpose is selected individually. A candle-shaped lamp will create soft lighting, similar to how a candle’s flame illuminates a room, the heat from it is directed upward, and such a lamp is ideal for a decorative lamp. If directional lighting is required, a mirror lamp is suitable, and for greater similarity to a conventional bulb, a standard-shaped lamp.

LED lamp shapes

Frosted or transparent lamp to choose? If the lamp is purchased for installation in a lamp where it will be hidden behind a patterned lampshade, or for installation in a closed lampshade, then a transparent lamp, that is, a lamp with a transparent bulb, is suitable.If you want to get the result of an aesthetic plan, then the matte lamp by itself will give more uniform lighting. If we talk about the quality of light, then it does not differ, the luminous flux from the opaque bulb does not suffer.

Transparent and matte lamps

In dimmable lighting systems by dimmer switch, not every LED lamp will gradually change its brightness, as is usually the case with incandescent lamps. The feature of the built-in driver of a conventional LED lamp is that the lamp simply turns on at a certain dimmer position, and its brightness will be constant, no matter how you twist the dimmer to increase.

Dimmer

But for use with a dimmer, the so-called dimmable led bulbs, the driver in which is specially assembled so that when adjusting with a dimmer, the brightness of the LED lamp can be continuously adjusted.

Dimmable led lamp

Such lamps are somewhat more expensive than non-dimmable ones. Dimmable LED lamps are distinguished from ordinary ones by a special icon on the package.

See also at bgv.electricianexp.com:

  • The ratio of the power of lamps of various types
  • Overview of modern Philips LED bulbs
  • How are dimmable LED lamps arranged and working, unlike ordinary ones?
  • Classification and labeling of LED lamps
  • Parameters of LED light sources, characteristics of LED lamps

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    Comments:

    # 1 wrote: | [quote]

     
     

    Material is what you need. Good luck.

     
    Comments:

    # 2 wrote: | [quote]

     
     

    Dear author of the article. CFL 50 W does not correspond to a 100 W incandescent lamp and 12 W LED !!! It is important to mention the light return. For LN, 10–15 lm / W and for CFL, 60–80 lm / W is the replacement criterion. The power selection table is not at all correct!

     
    Comments:

    # 3 wrote: | [quote]

     
     

    LED lamps (LED) have one property that greatly affects our vision. Cheap lamps give such a ripple that our eyesight becomes unpleasant. Flicker, invisible at the beginning of the working day, leads to irritation of even a calm person.

    I installed Armstrong LED lamps in the ceiling of the ophthalmologist’s office. Illumination and color temperature (2700 Kelvin) were quite suitable for the doctors. However, a month later, one of the doctors complained to me that my mood was falling by the middle of the day, and he was looking forward to the end of the day. Moreover, they check the eyesight of patients. I did not find the documentation for the fixtures, but I knew that our manager was buying cheap equipment. Not just for lighting. Having once arrived at the doctors office, I took out the phone and turned on the camera. When I directed it to the lamp, I saw that the light was clearly blinking. I asked my boss for an experiment to buy a similar lamp, but more expensive. When I replaced the lamps at the ophthalmologists, the displeased doctor stopped grumbling and worked quietly all day.

    Conclusion: everyone has a phone and when you buy a LED lamp (LED), look at it through your phone. It should not blink!

     
    Comments:

    # 4 wrote: Dima | [quote]

     
     

    Vadim, it’s okay, the essence of the table is passed quite correctly.
    My dear CFL is slightly less powerful (close to the table!) And the Lumen value is not too high there.

     
    Comments:

    # 5 wrote: Ivan | [quote]

     
     

    I have not met the E26 base.

     
    Comments:

    # 6 wrote: | [quote]

     
     

    I bought a LED lamp for plants. Blue light 6 LEDs, red light 12 LEDs. I bought 18 watts. I suspect there is no 18 watt in the lamp. How to determine the power of an LED lamp? Current consumes 0.03A. It turns out only 6 watts. P = UI Am I right?

     
    Comments:

    # 7 wrote: | [quote]

     
     

    Evgeny,
    Yes you are right. 6.6 watts in total.

     
    Comments:

    # 8 wrote: | [quote]

     
     

    The head swells from these numbers (((