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  1. samuelbb1

    Water silt filtration. System fouling.

    Hello, Same issue as the in this thread thread378-438609 . System requirement calls for 200m3/h river water, 50micron/99% removal efficiency. River water contains silt and small wood fibers. Pre filtering stage is a mesh 16 sidehill screen, settling tank with no chemicals, and pumped to a...
  2. samuelbb1

    Generator problems

    We are having problems with a steam turbine generator rated 380V/1.25MW with brushless excitation. Started 4 months ago with failing diodes (one or two) every 2 weeks (exciter/rotor/stator were megged and deemed ok), then every week (AVR was replaced with a spare) , then every day, then a a...

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