Radiation Tolerant LED PSU
Power supply unit for emergency lamps that may need to be used in areas with radiation. The power supply consists of a transformer, a diode bridge, capacitors and an optional voltage stabilisation device. It converts a 207V to 253V 50Hz AC to a stable DC voltage and current, as required by the LED load.
Note: It is possible to increase the radiation hardness of the power supply by a factor of up to 10x by replacing the Si diodes with SiC based diodes. This has not yet been implemented in the reference design, but is on our list for future improvements.
Project status: In production.
Video summary of the project [http://cds.cern.ch/record/2135181]
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Radiation Tolerant LED Luminaire
Project status: In production.
Latest News
In CERN Bulletin: Lighting the way
The article Lighting the way: how emergency lights survive radiation was published in the CERN Bulletin. This article gives a refreshing overview of the project, why and how it was developed it in the CERN EN department and also features a great movie.