Continue to Site

Eng-Tips is the largest engineering community on the Internet

Intelligent Work Forums for Engineering Professionals

  • Congratulations cowski on being selected by the Eng-Tips community for having the most helpful posts in the forums last week. Way to Go!

Search results for query: *

  1. poccur

    Convert 400hz to 50 or 60 hz

    Sorry for the confusion...Over enthusiastic use of '0' key....The unit will require about 9kw delivered....I was thinking a ballpark figure of 10kva to allow for power factors....then I managed to type 10,000kva and confuse everything:) A 10kw unit will run me 600+ lbs in weight...That puts it...
  2. poccur

    Convert 400hz to 50 or 60 hz

    Peebee: many thanks for the response ...the 10,000kva unit weighs 750lb :(
  3. poccur

    Convert 400hz to 50 or 60 hz

    ok sorry..have re-read your post...(60hz input)10kw vfd the size of shoe box...sure no problem... Its getting the 208v 400hz down that brings the weight issue in for me...If only there was a vfd with a 400hz input.... It seems odd that there are no 400hz down to 60hz ac-ac converters on the...
  4. poccur

    Convert 400hz to 50 or 60 hz

    tmahan: where have you seen 10kw drives the size of a shoe box? I would really appreciate finding one. Many thanks in advance Poccur PS- thank you both for answering:)
  5. poccur

    Convert 400hz to 50 or 60 hz

    Hello all, I have a three phase 220v 400hz supply and I want to be able to use it tp power standard 50 or 60hz 208-220 volt three phase motors. Almost everything I have found seems to cover stepping the 60hz upto 400hz but nothing to step it down. I have found a number of drives but they are...
  6. poccur

    Alternator with attached series resistor

    Have bought a John Deere engine and the alternator (Bosch) has a series resistor (in shrink tubing) hanging from it. Nobody seems to be able to say what the long term effect on the engine will be of removing it (the engine runs fine without it). I am guessing that it is used by the regulator of...

Part and Inventory Search