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  1. iceengineer

    75KW dynamometer controller

    I found an intermittent problematic relay which connects the f1-f2 field power. Whereas the f3-f4 relay was functioning. Apparently this was the problem, replaced it now the thing works perfectly. Thanks, waross, for pointing me into the right direction.
  2. iceengineer

    75KW dynamometer controller

    Today I spent a ridiculus amount of time on the phone with the guy who built the system. He step me through testing individual field windings (Thanks to waross's tip) This guy immediately agreed with you, unfortunately the windings are perfect. He even had me power the field windings with an...
  3. iceengineer

    75KW dynamometer controller

    The dynamometer is used to drive experimental research internal combustion engines. The reason I have more than one is that, it may take two months to properly set one up (fuel, electrical, sensors, etc...) The dynamometers are used to drive the engines at a specific rpm (applying power or...
  4. iceengineer

    75KW dynamometer controller

    I have a 75KW dynamometer controller which is capable of powering several dynamometers: a 40HP, 75HP, 120HP. The 75HP and 120HP dynos work perfectly varying by less than 0.5 of an rpm from the set value, and capable of holding that under varying load. The 40HP dyno however has recently had...

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