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  • Users: roemsen
  • Content: Threads
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  1. roemsen

    breaking of synchonous generator

    How is it possible to break (slow down) a synchronous generator ones he is not any longer connected to the grid? Why do some power plants have a possibility to break the synchronous generator and other don’t?
  2. roemsen

    vacuum tight welding connection

    For our application (a vacuum tight tank) we need to have a welding connection with a very high gas leaking tightness. What kind of welding technology is suitable for high vacuum tightness? Our requirement is a leaking tightness below 150 * 10-9 mbar * dm3 / s (for air) for a 10 dm3 volume tank...
  3. roemsen

    vacuum tight valve?

    For our application, a vacuum tight tank, we are looking for a vacuum tight valve. The requested specific leak tightness for the entire tank should be below 158 * 10-9 mbar * dm3 / s (for air). The volume of the tank is approximately 10 dm3. Does anyone have an idea about a suitable valve with...
  4. roemsen

    fiber optic temperature monitoring

    to thread238-138610 I am currently searching fro a possibility to monitor temperature on circuit breaker conductors (under tension). I would really be interested to get some more information about the possibility to measure the temperature with this fiber optic technology.
  5. roemsen

    temperature measurement on medium voltage level

    I would like to detect an over temperature on metallic parts on medium voltage level (around 20 kV AC). In case of over temperature (>100 degrees Celsius), I would like to get a signal that can be used as input for a control system. I found some solutions with infrared measurement technology...

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