LED lighting bulbs look much the same but there is a difference and if you are planning on switching to LED lighting it is worth looking at this. You will hear stories of clever people buying their LED lights from reliable sources for very reasonable prices and will wonder why they cost so much from local retailers.
The number of customers of LED chips is limited so anybody selling crap at high prices would quickly run out of customers. So it is a fair assumption that the higher the price the better the quality. It is worth keeping in mind that the lower end products are made for the local market in China and are not meant to be exported.
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Probably the most crucial part of the LED lighting lamp is the driver. The driver has the job of converting the 230 Volt Alternating Current into Direct Current flowing at a constant number of Amps through the chip.
The Alternating Current reverses direction 50 times per second so the very first job for the driver is to alter one cycle so that there are two pulses of current flowing in the one direction. The tricky job is to smooth these pulses into an even current flow and this is where there is a huge difference in the quality of the drivers.
The best will have about a 3% ripple in the power every cycle while the low-cost versions may have a ripple of up to 45%. The percentage is of the measure of the maximum current.
The ripple will cause the light to flicker but because it does so at 100 cycles per second it is not noticeable to the naked eye. However the effect can be felt and people may experience headaches, eye strain, or migraines. This in fact was the issue with the traditional fluorescent lights.
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If the driver is supplying say 700 milliAmps to the LED, the ripple as it passes will supply a higher and lower current with the average being 700 mA. The higher current produces more heat that is not entirely dissipated during the lower electricity supply. The heat builds up and stabilises at a higher temperature, how much higher depends upon the percentage of the ripple. This will shorten the life of the LED - dramatically with the larger ripples.
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Possibly 90% of the failures of LED lights are caused by the driver.
The other areas where cost savings are done is by scrimping on the heat sink, cables and connectors.
Frequently by looking at the finish and wiring it is clear, but not always. A simple way is to use your phone camera to look at the light operating. Any flicker will show up even though it is not visible.
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Before you buy a LED downlight bulb look at it operating through your phone camera. If it flickers profoundly or bands move across the screen do not purchase it although it is half the price of the competition.
Basic Factors You Have To Consider When Selecting Appropriate Outdoor Lighting
When choosing the right outdoor flood lights, there are certain points you should consider. Take into account the quality, brand, design, energy consumption, maintenance and longevity. These are just the basic points you have to consider when selecting appropriate outdoor lighting.
LED Lights Are In Fact More Cost Effective Than Any Other Kinds Of Lighting Option
You may have seen LED lights being used more frequently, in a variety of applications. From your automobile to your kitchen tools to everyday items, LED's seem to be invading every area possible.
A Common LED Light Bulb Works For About 50,000 Hours
It is an evident fact that over 21% of the electricity supplied in a building is used by the lights installed in and around it. The worldwide energy production accounts to more than 19% from its total supply for luminary purposes.
The Advantages Of LED Bay Lighting
A LED bay light is just another wonderful application of the LED technology. LED is a semiconductor which converts electrical energy to light through the rapid motions of electron particles. The LED technology is used in many other purposes such as lighting.
LED High Bay Lamps Are Dramatically Emerging As The Best On The Market Due To Their Low Maintenance And Extremely High Efficiency
It has been proven again and again, by numerous scientists, that lighting is a crucial factor in our health and wellbeing. Good lighting may affect our mood, our sexual function, and it may even impact how we can learn and absorb information.
Why LED Lighting Lights Are Substituting All Other Light Bulbs
LED Lighting is taking the market by storm. It is rapidly becoming the leading lighting product in the market. In the next 5 years its going to completely take over. Keep your eyes peeled.
LED PLC Light System To Improve The Control Over The Entire Lighting Installation
The LED PLC light system is the latest technology that you should have in your home. It is an electric line communication that allows users to improve their control over the entire lighting installation in their dwellings.
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