Monday 18 April 2011

Solar-powered lights to dazzle city crossings

 Get ready to follow solar energy based traffic signals in the city. Solar powered signalling system would be installed at 22 crossroads over next three months. Once completed the crossings will wear a brand new look.

The installation work, traffic officials said, is being done by a Delhi-based firm under public-private-partnership model.

Traffic Inspector Bipin Chandra Pandey told TOI: "As a part of its pilot project, installion work is first taken at Maharana Pratap crossing and would be further taken to other crossings. The work of laying cable lines and setting up booth too is underway."

He added that the work on the solar run traffic light signalling system would be done in a phased manner.

Pandey further added that solar run traffic signalling system has been quite successful in cities like Agra and Bareilly. As far as working of solar run lights are concerned, solar traffic lights original lights are equipped with the latest technology and use photovoltaic cells.

A solar panel located on the top of the pole converts sunlight into electrical power. A solar charger regulates the voltage coming out of the solar panel. The regulated power obtained is used to charge a battery.

Lighting is produced by an array of extra bright LEDs (Light Emitting Diodes) that are much brighter than bulbs. LEDs usually last for years and are very energy efficient. LEDs are small in size, but they can produce a significant amount of light. If solar lighting is progressing very fast, it is mainly due to LED technology.

Meanwhile, the authorities concerned have already removed the defunct traffic lights. The officials have also sought public cooperation in the same regard.

A solar run traffic signalling light costs around Rs eight lakh and is an efficient alternative, provided enough energy is stored.

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