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Evaluation of PowerLED Lighting System Radiation Tests for SOX + DUC 18W Replacement

Test bench developed to evaluate new lighting system to replace SOX + DUC 18W units after 2012. Initial results show minimal radiation exposure and ongoing testing aims to assess luminescence stability. Remote monitoring and historic trend analysis included.

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Evaluation of PowerLED Lighting System Radiation Tests for SOX + DUC 18W Replacement

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  1. Main objective : Evaluate a new solution to replace SOX +DUC 18W safety lighting (env 2000 units).End of production in 2012 .Developed a test bench placed in position 463aim : - Radiation tests on : Power source : Current transformers Voltage transformers + a Graetz bridgeLighting system :PowerLed technology Standard led technology

  2. First Results shows : Lost of the 1st current transformer : Friday 18 of march : after 1 hrs of run => ~<0.1Gy Lost of the 2cd current transformer : Friday 18 of march : after 4 hrs of run => ~0.1Gy Lost of the 3thr current transformer : Saturday 19 of march : after 18 hrs of run. => ~0.4Gy Voltage transformers with Graetz bridge still alive No lost of luminescence between two first slots (Luxmeter values) Remote Webcam Voltage historic trend

  3. Done on the 2cd slot : - Exchanged 2 broken current converter with Voltage transformers + Graetz bridge in order to follow the radiation effect on powerled.- Evaluate also a more intense powerled.Currently working…Next : look at the luminescence drift . Remote Webcam

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