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![](/uploads/d8e4de2a1cbaa74242c7fb12729d1afe/smallpsuinbox.jpg)
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-----
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## Functional specifications
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Technical Requirements:
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Input Voltage: 230V AC RMS
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Voltage Tolerance: +/-10%
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Input Frequency: 50Hz
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Frequency Tolerance: +/- 0.5Hz
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Maximum power: 7W (measured at input terminals)
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Voltage Output: As LED requirements
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Current Output: As LED requirements
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Earthing Regime: IT
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Technical Requirements:
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- Input Voltage: 230V AC RMS
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- Voltage Tolerance: +/-10%
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- Input Frequency: 50Hz
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- Frequency Tolerance: +/- 0.5Hz
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- Maximum power: 7W (measured at input terminals)
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- Voltage Output: As LED requirements
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- Current Output: As LED requirements
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- Earthing Regime: IT
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Relevant standards to be observed: IEC 61000-3-2, EN 55015, EN 50082-1,
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EN 50082-2
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Whilst the standard conditions of the electrical network dictate 230V AC
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the current requirements of the connected LED
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load.
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-----
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## Block diagram
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![](/uploads/403ba0af326e31369466680d4334c34c/blockdiagpsu.jpg)
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... | ... | @@ -45,18 +51,20 @@ load. |
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## Project information
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- [Frequently Asked
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Questions](FAQ)
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- [Frequently Asked Questions](FAQ)
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- [Users](Users)
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-----
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## Contacts
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### Commercial producers
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Luminaires based on earlier versions of this design (using the same principles) are currerntly produced by the following companies:
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Comatelec (FR) \[http://www.schreder.com/frc-fr/Pages/default.aspx\]
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Thorlux (UK) \[http://www.thorlux.com/\]
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### Commercial producers
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Luminaires based on earlier versions of this design (using the same
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principles) are currerntly produced by the following companies:
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- [Comatelec](http://www.schreder.com/frc-fr/Pages/default.aspx) (FR)
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- [Thorlux](http://www.thorlux.com) (UK)
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### Project Development
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... | ... | @@ -68,17 +76,40 @@ Thorlux (UK) \[http://www.thorlux.com/\] |
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## Project Status
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| **Date**| \* Event \*|
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| 27-05-2011 | Initial testing of commerical prototypes for LED
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emergency lighting in radiation environment |
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| 04-07-2011 | Development of technical solution following test outcomes
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| 05-03-2012 | Production and test of solutions based on design
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principles by Thorlux & Comatelec |
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| 15-06-2013 | First test installations at CERN LHC7 and Linac 4 |
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| 30-09-2014 | First deployment in CERN TDC2/TCC2 underground zone |
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| 09-03-2016 | Release of updated PSU under CERN OHL |
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\---
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J Devine January 2016
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<table>
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<tbody>
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<tr class="odd">
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<td><strong>Date</strong></td>
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<td><b> Event </b></td>
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</tr>
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<tr class="even">
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<td>27-05-2011</td>
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<td>Initial testing of commerical prototypes for LED emergency lighting in radiation environment</td>
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</tr>
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<tr class="odd">
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<td>04-07-2011</td>
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<td>Development of technical solution following test outcomes</td>
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</tr>
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<tr class="even">
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<td>05-03-2012</td>
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<td>Production and test of solutions based on design principles by Thorlux & Comatelec</td>
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</tr>
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<tr class="odd">
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<td>15-06-2013</td>
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<td>First test installations at CERN LHC7 and Linac 4</td>
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</tr>
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<tr class="even">
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<td>30-09-2014</td>
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<td>First deployment in CERN TDC2/TCC2 underground zone</td>
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</tr>
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<tr class="odd">
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<td>09-03-2016</td>
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<td>Release of updated PSU under CERN OHL</td>
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</tr>
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</tbody>
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</table>
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-----
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J Devine March 2016
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