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.

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Presentation transcript:

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 463 aim : - Radiation tests on : Power source : Current transformers Voltage transformers + a Graetz bridge Lighting system : PowerLed technology Standard led technology

First Results shows : Lost of the 1st current transformer : 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) Voltage historic trend Remote Webcam

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