The lighting control is an essential part of an intelligent building. New developments in cotroladores and dimmers increasingly make them easier to install and use.

By Adrian Morel *

In San Francisco, the day 12 June this year, the "Council for Green Building US" (US Green Building Council) at its headquarters in Northern California, brought together more than 500 professionals to share and discuss building projects intelligent.

In the showroom products and innovations that make everyday buildings such increasingly greener and more oriented sophistication exploitation of natural resources, including energy conservation and energy efficiency they were presented.

Traditional "dimeadores or dimmers," which were created with technology that introduced us Thomas Edison and development of products based on tungsten filament, though listed as "approved" do not work as they should with the new SSL technologies (Solid- State lighting) is, LED lighting.

When working with "Dimmers" traditional applied to the LED lighting, dimmers visible incompatibilities are as follows:

1. Inhomogeneity in decreasing the intensity or power of light.
2. Does not reduce or diméa to 100% ie from higher power to zero.
3. Fliquéo or flicker.

Traditional and LEDs
This incompatibility is due to the very nature of traditional dimmers, which were created for lamps or incandescent bulbs, not the LEDs.

Traditional dimmers for halogen (which are a variant of incandescent), also called "dimmer legacies" operating in "linear" way, coinciding with the oscillatory wave voltage and current. Traditional lighting follows Ohm's law (I = V / R) where (R) Resistance establishes the different stages.

Instead, LEDs dimmers to incorporate a diode-capacitor for use constant current. This diode rectifies the AC voltage, allowing charge storage capacitor. Among the most prominent companies working with Lutron dimmers can mention, Levinton, GE, among others.

The "drivers" had a very important role in the use of infrared technology and its use in basic and power management functions in intelligent systems. It is increasingly common to see applications to raise or lower blinds, curtains, draperies, etc. Audio systems and video already use pre-recorded installed on the walls controllers or with their "apps" that can be downloaded to cell phones with LCD screen (iPhone, Android, BlackBerry, Nokia, Microsoft, Sailfish functions , Bada, etc.)

With the advancement of WiFi and Wireless technology, and can leave home without worrying if we left the lights or the garage door open (in the US this is very common), or activate the alarm system the house, all this over the phone.

In the event, LED lighting was present with signature LED RS where technology deployed using Nichia LEDs and Samsung.

In the field of solar panels, and you can see products "do it yourself" (DIY- Do it yourself) where the installation of a photovoltaic panel is no longer mystery of anyone. Solar panels are powered during the day and then stored current through an "investor" pass low voltage line voltage (in USA is 110 volts). However, the issue is changing because now many products require 12 or 24 LEDs volts, ie solar panels are ideal for intelligent buildings that take advantage of the simplicity of use and low voltage product.

Within trend of intelligent buildings also we found the use and recycling of rainwater, which then heating the stored energy from the sun and use it as hot water for its inhabitants. These intelligent buildings, more and do more emphasis on the use of natural light and green spaces with plants within the premises.

The world is preparing for a drop in power generation. The search for power generation by alternative means is not only an issue of pollution or leaving the dependence on oil, but it is a reality saved with seven keys.

Intelligent buildings are the logical alternative when the world begins to perceive that the cost of electricity is going up, and even with money, often no energy is achieved by a matter of infrastructure. Everything points to rationing, low consumption, the use of dimmers and controllers to make the most, spending as little as possible.

* Adrian Morel is technology consultant in Silicon Valley, California-USA and can be contacted at the following email:

Richard St.
Author: Richard St.
Journalist from the University of Antioquia (2010), with experience in technology and economics. Editor of the magazines TVyVideo + Radio and AVI Latin America. Academic Coordinator of TecnoTelevisión & Radio.


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