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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. Sticky Thread Sticky: Rotary Phase Converter Designs and Plans

    Started by Milacron, 09-20-2006 11:46 PM
    8 Pages
    1 2 3 ... 8
    • Replies: 156
    • Views: 190,377
    02-10-2014, 07:08 AM Go to last post
  2. Sticky Thread Sticky: A reminder.... please make your thread title meaningful

    Started by JST, 02-23-2013 08:31 AM
    • Replies: 0
    • Views: 4,667
    JST
    02-23-2013, 08:31 AM Go to last post
  1. DC motor help Barber Coleman Lathe

    Started by Jim Fitz-Gerald, 07-05-2014 08:58 PM
    6 Pages
    1 2 3 ... 6
    • Replies: 117
    • Views: 3,026
    08-20-2014, 08:01 PM Go to last post
  2. Suitable Ammeter question

    Started by Bob-J-H, 08-15-2014 06:30 PM
    2 Pages
    1 2
    • Replies: 21
    • Views: 496
    08-20-2014, 07:46 PM Go to last post
    • Replies: 3
    • Views: 120
    08-20-2014, 06:30 PM Go to last post
  3. Wiring my heavy 10

    Started by yoshimitsuspeed, 08-01-2014 06:02 PM
    • Replies: 6
    • Views: 419
    08-20-2014, 06:05 PM Go to last post
  4. Is RPM at motor equal to RPM at spindle?

    Started by AEnemaBay, 08-20-2014 11:31 AM
    • Replies: 8
    • Views: 186
    08-20-2014, 03:38 PM Go to last post
    • Replies: 80
    • Views: 7,286
    08-20-2014, 12:51 PM Go to last post
  5. 575 or 220 volt motors

    Started by M. Moore, 08-19-2014 03:18 PM
    • Replies: 5
    • Views: 179
    08-20-2014, 11:04 AM Go to last post
  6. New Dayton motor wiring

    Started by jchicago, 08-16-2014 08:41 AM
    • Replies: 6
    • Views: 301
    08-20-2014, 08:38 AM Go to last post
  7. Hitachi VFD Help

    Started by Lima9, 08-15-2014 01:20 PM
    3 Pages
    1 2 3
    • Replies: 45
    • Views: 852
    08-19-2014, 04:25 PM Go to last post
  8. How to get 125A branch circuit from 200A service

    Started by ewlsey, 08-18-2014 07:22 AM
    • Replies: 14
    • Views: 434
    SAF
    08-19-2014, 04:11 PM Go to last post
  9. braking resistors - Ohms vs Wattage

    Started by StoneMachines, 08-19-2014 07:34 AM
    • Replies: 4
    • Views: 157
    08-19-2014, 03:48 PM Go to last post
  10. help with 7.5hp american rotary converter

    Started by roll-a-leblond, 08-17-2014 06:50 AM
    • Replies: 12
    • Views: 299
    08-19-2014, 12:09 PM Go to last post
  11. Phase Converter Size for running a Transformer

    Started by redlee, 08-18-2014 08:07 PM
    • Replies: 4
    • Views: 198
    08-19-2014, 10:00 AM Go to last post
  12. Phase Converter Size- Transformer

    Started by redlee, 08-19-2014 08:24 AM
    • Replies: 0
    • Views: 134
    08-19-2014, 08:24 AM Go to last post
  13. Need help with a Ronk Roto Con

    Started by JoeFin, 08-16-2014 12:08 PM
    • Replies: 3
    • Views: 148
    08-16-2014, 02:36 PM Go to last post
    • Replies: 6
    • Views: 427
    08-15-2014, 07:03 AM Go to last post
  14. 110 to 220V 3-phase

    Started by borne2fly, 11-01-2008 02:08 PM
    2 Pages
    1 2
    • Replies: 21
    • Views: 2,565
    08-15-2014, 06:53 AM Go to last post
    • Replies: 6
    • Views: 331
    08-14-2014, 04:10 PM Go to last post
  15. Pony Motor sizing

    Started by TJScharp, 07-24-2014 12:25 PM
    • Replies: 11
    • Views: 752
    08-12-2014, 07:04 PM Go to last post
  16. Need advice on remote site - generator plus VFD

    Started by miro, 07-31-2014 08:44 PM
    2 Pages
    1 2
    • Replies: 21
    • Views: 772
    08-12-2014, 06:35 PM Go to last post
  17. NAPA 85-120 Power Fast Battery Charger

    Started by Chris2, 07-29-2014 11:32 AM
    • Replies: 13
    • Views: 728
    08-12-2014, 04:24 PM Go to last post
  18. Need help wiring my 16 x 30 hendey lathe

    Started by isaacson06, 08-09-2014 11:46 AM
    • Replies: 11
    • Views: 398
    08-11-2014, 06:13 PM Go to last post
  19. Running a 480v 3 phase machine...

    Started by Econdron, 08-06-2014 09:17 AM
    • Replies: 16
    • Views: 679
    08-11-2014, 11:41 AM Go to last post
  20. VFD Sizing for CNC

    Started by sortafast, 08-06-2014 11:59 PM
    • Replies: 3
    • Views: 350
    08-08-2014, 11:21 AM Go to last post
  21. Transformer power usage

    Started by M. Moore, 08-05-2014 11:51 PM
    • Replies: 8
    • Views: 435
    08-08-2014, 08:21 AM Go to last post
  22. Overdriving a motor with a VFD

    Started by Miller13, 08-07-2014 08:12 AM
    • Replies: 3
    • Views: 389
    08-07-2014, 02:47 PM Go to last post
    • Replies: 5
    • Views: 327
    08-06-2014, 06:19 AM Go to last post
  23. 3ph Generator head for Phase Converter

    Started by wetoddid, 07-28-2014 03:43 PM
    • Replies: 16
    • Views: 684
    08-05-2014, 01:25 AM Go to last post
    • Replies: 19
    • Views: 924
    08-04-2014, 08:35 PM Go to last post
  24. Need some help with SJ200 VFD

    Started by Sequim Tool, 08-02-2014 04:57 PM
    • Replies: 10
    • Views: 442
    08-04-2014, 01:14 PM Go to last post
  25. DC motor control to replace smoked VARIAC

    Started by bralex, 08-03-2014 08:55 AM
    • Replies: 13
    • Views: 577
    08-04-2014, 09:08 AM Go to last post
  26. 480 volt VFD

    Started by Charley Davidson, 02-25-2014 06:30 PM
    • Replies: 16
    • Views: 862
    08-03-2014, 03:14 PM Go to last post
  27. Start/Stop switch keeps kicking out

    Started by hurst01, 07-27-2014 10:11 PM
    2 Pages
    1 2
    • Replies: 30
    • Views: 820
    08-03-2014, 11:41 AM Go to last post
    • Replies: 1
    • Views: 254
    08-03-2014, 06:25 AM Go to last post
    • Replies: 12
    • Views: 611
    07-31-2014, 09:20 PM Go to last post
  28. Simplex lathe

    Started by MR EMERSON, 07-31-2014 08:05 PM
    • Replies: 2
    • Views: 315
    07-31-2014, 08:45 PM Go to last post
  29. VFD Newbie with a Bridgeport 2J Head Mill

    Started by potatoes100, 07-24-2014 03:02 PM
    • Replies: 10
    • Views: 588
    07-31-2014, 04:19 PM Go to last post
  30. The VFD in my CNC mill is dead

    Started by sortafast, 07-25-2014 02:54 PM
    • Replies: 12
    • Views: 672
    07-30-2014, 11:16 PM Go to last post
    • Replies: 7
    • Views: 472
    JST
    07-30-2014, 09:24 PM Go to last post
  31. rewire a motor from 440 to 220v (6 leads)

    Started by makingpart4stang, 07-30-2014 12:40 PM
    • Replies: 4
    • Views: 373
    07-30-2014, 08:22 PM Go to last post

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