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Turbovac driver

Discussion in 'Power Electronics' started by Atari, Mar 29, 2021.

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  1. Atari

    Atari

    2
    0
    Mar 29, 2021
    I need a turbomolecular vaccume pump and ive seen a good one (leybold turbovac 50) but the driver is like twice as much as the pump itself ... the motor runs at 100 / 250v ac at 1200hz ... i think.. aneychance theres a schematic or circuit that whould match theas requirements ... whould be much appreciated
     
  2. Martaine2005

    Martaine2005

    3,308
    904
    May 12, 2015
  3. bertus

    bertus Moderator

    1,611
    638
    Nov 8, 2019
    Hello,

    A turbopump is run up very gradualy.
    As the motor spins very fast, it should be controlled to avoid a crash.
    I have seen crashes of turbo pumps and you do not want that to happen.
    The blades where all over the machine it was mounted on.

    Have a look at this pfeiffer video:


    Bertus
     
  4. Atari

    Atari

    2
    0
    Mar 29, 2021
    First off thanks for replying and also yh i read the leybold nt10 controller box instructions to see if i chould find the output rating for the motor and i do remember that for some turbovacs they are 3phase but im not shur if the turbovac 50 is 3 phase i chould get a vfd but the frequency of the vac is verry high im not verry familiar with thease turbovacs but im a verry hands on bulider so theres not much i wont try i just need pointing in the right direction i did rewire a 3phase coolant pump using a capacitor to bable to run it with single phase maby ill just buy the thing and try it out and if it blows it blows tbh i aint got much of a choice unless aneyone knows a way to pull a decent vaccume in the high range or enough for spluttering
     
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