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Forum: Transformers, Phase Converters and VFD

Machine voltage issues, three phase via single phase power, and variable frequency drives discussion

  1. Toshiba VFS7-2022P 1ph to 3ph vfd sucess.

    Started by oughtsix, 03-07-2011 11:05 AM
    • Replies: 2
    • Views: 3,845
    03-09-2011, 03:15 PM Go to last post
  2. Spinning Phase Converter with Rope

    Started by b46nelson, 03-07-2011 08:23 PM
    • Replies: 7
    • Views: 2,413
    03-09-2011, 03:10 PM Go to last post
  3. China VFD

    Started by ozzie34231, 03-06-2011 07:35 AM
    2 Pages
    1 2
    • Replies: 28
    • Views: 11,126
    03-09-2011, 02:54 PM Go to last post
  4. 3 phase motor shaft rotation?

    Started by stuball48, 03-06-2011 06:04 AM
    • Replies: 13
    • Views: 12,725
    03-09-2011, 12:15 PM Go to last post
  5. 796 vac oil well motors ?

    Started by digger doug, 03-08-2011 08:50 AM
    • Replies: 0
    • Views: 1,490
    03-08-2011, 08:50 AM Go to last post
  6. New motor or home made phase converter?

    Started by Tjrahl, 01-18-2011 09:44 AM
    2 Pages
    1 2
    • Replies: 25
    • Views: 9,043
    03-08-2011, 05:32 AM Go to last post
  7. 220 / 440 wiring

    Started by bradford18, 03-07-2011 11:08 AM
    • Replies: 1
    • Views: 950
    03-07-2011, 05:29 PM Go to last post
  8. brushless DC motor as rpc so no wild leg?

    Started by mike_kilroy, 03-06-2011 03:26 PM
    • Replies: 3
    • Views: 1,741
    03-07-2011, 02:21 PM Go to last post
  9. VFD dilemma

    Started by Keith Guitars, 02-18-2011 04:47 AM
    • Replies: 10
    • Views: 2,835
    03-07-2011, 11:48 AM Go to last post
  10. Checking a three phase motor

    Started by Bill D, 02-21-2011 09:50 AM
    • Replies: 4
    • Views: 6,481
    03-07-2011, 07:44 AM Go to last post
    • Replies: 3
    • Views: 2,291
    03-07-2011, 04:00 AM Go to last post
  11. 220 1 phase reversing switch

    Started by mirage100, 02-26-2011 03:16 PM
    • Replies: 14
    • Views: 14,005
    03-06-2011, 02:57 PM Go to last post
  12. VFD ?Single phase input= Three phase output

    Started by quasi, 03-02-2011 02:34 PM
    • Replies: 19
    • Views: 15,831
    03-05-2011, 08:41 PM Go to last post
  13. Reverse feeding Transformer - shop is 240v - Grinder is 480v

    Started by JKJZA, 02-23-2011 08:35 AM
    2 Pages
    1 2
    • Replies: 34
    • Views: 17,462
    03-05-2011, 02:00 PM Go to last post
  14. Connections for Asian Lathe

    Started by DLD77, 03-05-2011 11:48 AM
    • Replies: 1
    • Views: 1,693
    03-05-2011, 12:09 PM Go to last post
  15. RPC + VFD + Transformer

    Started by ErnieD, 03-01-2011 08:51 AM
    • Replies: 3
    • Views: 1,322
    03-04-2011, 04:24 PM Go to last post
  16. VFD wiring question

    Started by Andyman, 03-03-2011 09:58 AM
    • Replies: 4
    • Views: 4,058
    03-04-2011, 03:20 PM Go to last post
    • Replies: 6
    • Views: 3,655
    03-03-2011, 10:13 AM Go to last post
  17. Rotary Phase Converter Set Up

    Started by ravencarbide, 02-27-2011 10:41 AM
    • Replies: 4
    • Views: 9,361
    03-03-2011, 02:40 AM Go to last post
  18. How to check 3 phase motor wiring pairs

    Started by Fe-Wood, 02-28-2011 07:44 PM
    • Replies: 4
    • Views: 15,347
    03-02-2011, 08:46 PM Go to last post
    • Replies: 10
    • Views: 6,450
    03-02-2011, 05:32 PM Go to last post
  19. Teco FM50

    Started by Menessis, 03-02-2011 10:32 AM
    • Replies: 2
    • Views: 1,444
    03-02-2011, 03:26 PM Go to last post
    • Replies: 0
    • Views: 1,523
    03-02-2011, 07:00 AM Go to last post
  20. Dumb question

    Started by Atvnut, 02-28-2011 02:37 AM
    • Replies: 3
    • Views: 1,507
    02-28-2011, 05:45 AM Go to last post
  21. can i use a undersized VFD

    Started by Bill D, 02-27-2011 05:01 PM
    • Replies: 2
    • Views: 5,336
    02-27-2011, 07:10 PM Go to last post
  22. Rotary Phase Converter Problem

    Started by threadman, 02-27-2011 07:32 AM
    • Replies: 5
    • Views: 2,306
    02-27-2011, 04:27 PM Go to last post
  23. Sticking Potential relay

    Started by CLeschak, 02-25-2011 04:08 PM
    • Replies: 6
    • Views: 6,464
    02-26-2011, 04:56 PM Go to last post
  24. Bad day connecting VFD to Southbend Lathe

    Started by JohnnyB64, 02-26-2011 12:29 PM
    • Replies: 3
    • Views: 2,681
    02-26-2011, 04:18 PM Go to last post
  25. Lathe motor wiring question

    Started by ChuckB, 02-26-2011 01:33 PM
    • Replies: 0
    • Views: 1,561
    02-26-2011, 01:33 PM Go to last post
  26. Is this of use to anyone?

    Started by Shawn Ghormley, 02-25-2011 03:46 PM
    • Replies: 4
    • Views: 1,756
    02-26-2011, 08:52 AM Go to last post
  27. VFD Braking? Plus

    Started by Pidg, 02-22-2011 10:58 AM
    • Replies: 13
    • Views: 6,085
    02-25-2011, 03:09 PM Go to last post
  28. Help wiring VFD controls

    Started by ondablade, 02-11-2011 02:25 AM
    • Replies: 2
    • Views: 5,484
    02-24-2011, 04:23 PM Go to last post
  29. Anybody have experience with this 5HP 1P VFD?

    Started by clomb, 02-14-2011 07:41 AM
    • Replies: 8
    • Views: 3,176
    02-24-2011, 02:28 PM Go to last post
  30. Lathe Drive Conversion

    Started by metaldestroyer, 02-24-2011 12:54 PM
    • Replies: 0
    • Views: 1,365
    02-24-2011, 12:54 PM Go to last post
  31. Phase converter starter box

    Started by JDR57, 02-24-2011 06:43 AM
    • Replies: 4
    • Views: 1,849
    02-24-2011, 11:35 AM Go to last post
  32. Normal for Transformers to get "real" Hot?

    Started by pjs1inc, 02-22-2011 05:08 AM
    • Replies: 7
    • Views: 22,251
    02-24-2011, 06:07 AM Go to last post
  33. 380 volt spindle

    Started by MikeAa, 02-22-2011 03:56 PM
    • Replies: 12
    • Views: 3,329
    02-23-2011, 09:31 PM Go to last post
  34. 3 phase buffer start switch - need starter?

    Started by Samandkimberly, 02-23-2011 09:23 AM
    • Replies: 3
    • Views: 1,242
    02-23-2011, 05:18 PM Go to last post
  35. Hitachi x200 007 NFU1

    Started by oscer, 02-22-2011 10:26 AM
    • Replies: 3
    • Views: 1,892
    02-23-2011, 05:05 PM Go to last post
  36. Okamoto Grinder 230 to 460, how?

    Started by pjs1inc, 02-19-2011 12:01 PM
    • Replies: 9
    • Views: 3,893
    02-22-2011, 04:48 PM Go to last post

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