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  • Users: AlbertFM
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  1. AlbertFM

    Balancing variables to get a stable and accurate job and suppliers

    Hello all, I have a couple of problems that I would like to share with you... I am balancing a magnetic rotor that must turn to 90.000 rpm (1500 Hz). With my actual system I am facing some problems and I am thinking on getting a new one. I need to be awared about what can be determinant and...
  2. AlbertFM

    Sidebands vibration

    Hello all, I have a problem with an electrical motor. Two sidebands are apperaing next to syncronous peak and its harmonics (700Hz) while I am rumping up my electrical motor (1500 Hz nominal speed). A strange noise can be heard when sidebands appears. I've been looking for some information...
  3. AlbertFM

    Vibration problems with an electrical generator

    Dear all, I am dealing with a 35 kW and 90.000 rpm electrical generator to work coupled to a micro gas turbine. I face some problems when I try to ramp-up the generator. When it pass through 550 seems to stay in a critical speed and later on at 750 Hz an other one. We can pass the first one...

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