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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: Please keep threads to one subject as much as possible

    Started by JST, 01-09-2016 11:09 PM
    archives, attach, cases, cheap, close, discussion, easy, ends, fast, force, general, instance, means, original, part, pick, plan, post, question, searchable, start, subject, temporarily, thread, vfds
    • Replies: 0
    • Views: 1,513
    01-09-2016, 11:09 PM Go to last post
  2. Sticky Thread Sticky: Rotary Phase Converter Designs and Plans

    Started by Milacron, 09-20-2006 11:46 PM
    9 Pages
    1 2 3 ... 9
    • Replies: 163
    • Views: 258,765
    12-01-2015, 04:32 PM Go to last post
  3. Sticky Thread Sticky: A reminder.... please make your thread title meaningful

    Started by JST, 02-23-2013 08:31 AM
    • Replies: 0
    • Views: 9,242
    02-23-2013, 08:31 AM Go to last post
    • Replies: 14
    • Views: 351
    05-29-2016, 04:38 PM Go to last post
  1. Running a 1/4 hp 90 vdc motor at 120 vdc?

    Started by richard newman, 05-28-2016 01:58 PM
    harm, heavily, motors, pedal, vdc
    • Replies: 9
    • Views: 225
    05-29-2016, 02:37 PM Go to last post
  2. How do I supply DC to one leg in of a VFD?

    Started by Hartlus, 05-27-2016 12:39 PM
    capacitor, dc bus, phase, rectifier, vfd
    • Replies: 11
    • Views: 341
    05-29-2016, 12:24 PM Go to last post
  3. Question Advice on how to run this motor please

    Started by Ropata, 05-18-2016 12:27 AM
    2 Pages
    1 2
    • Replies: 25
    • Views: 1,121
    05-28-2016, 04:48 AM Go to last post
  4. Need some wiring advice...

    Started by kumaichi, 05-27-2016 07:29 AM
    drywall, panel, rpc, run, wire
    • Replies: 2
    • Views: 142
    05-27-2016, 08:27 AM Go to last post
    • Replies: 4
    • Views: 228
    05-26-2016, 02:06 AM Go to last post
  5. Need advice for Fadal vmc with RPC/transformer

    Started by Cferrell84, 05-25-2016 10:30 PM
    500v, phase, step, taps, transformer
    • Replies: 0
    • Views: 93
    05-25-2016, 10:30 PM Go to last post
  6. Home built rotery converter questions

    Started by Billyboyr66, 05-18-2016 07:23 AM
    3 Pages
    1 2 3
    built, converter, opinions, power, rotery
    • Replies: 46
    • Views: 1,549
    05-25-2016, 08:14 PM Go to last post
  7. Vfd schooling on wiring

    Started by Cadillac, 05-13-2016 07:37 PM
    enclosure, people, shielding, side, vfd
    • Replies: 8
    • Views: 557
    05-25-2016, 02:16 PM Go to last post
  8. motor noise question

    Started by metalmagpie, 05-23-2016 09:11 PM
    makes, motor, noise, sitting, sound
    • Replies: 9
    • Views: 344
    05-24-2016, 03:02 PM Go to last post
  9. VFD and a 1/2 HP single phase motor

    Started by TFPace, 05-23-2016 03:21 PM
    • Replies: 12
    • Views: 314
    05-24-2016, 11:57 AM Go to last post
  10. Powering AC Servo Drive using VFD

    Started by zipfactor, 05-23-2016 07:39 AM
    drive, phase, power, servo, transformer
    • Replies: 5
    • Views: 258
    05-23-2016, 06:07 PM Go to last post
  11. Running Shear off phase converter.

    Started by Portable Welder, 05-23-2016 11:20 AM
    converter, kva, phase, running, transformer
    • Replies: 1
    • Views: 135
    05-23-2016, 11:24 AM Go to last post
    • Replies: 0
    • Views: 150
    05-22-2016, 01:13 PM Go to last post
  12. Hitache NES-1 VFD Inital Setup Programming Help

    Started by jeep534, 05-20-2016 08:00 AM
    3hp, input, phase, single, vfd
    • Replies: 7
    • Views: 261
    05-22-2016, 07:22 AM Go to last post
  13. VFD functionality on a 3hp 2 speed motor

    Started by andrsn, 02-21-2016 08:21 PM
    • Replies: 8
    • Views: 845
    05-22-2016, 06:54 AM Go to last post
  14. Transformer wiring...what do I need?

    Started by hannahbsturm, 05-04-2016 07:29 AM
    2 Pages
    1 2
    3ph, directly, machine, side, transformer
    • Replies: 20
    • Views: 1,011
    05-22-2016, 01:12 AM Go to last post
  15. Lathe spindle VFD

    Started by timewarp, 05-16-2016 12:30 PM
    2 Pages
    1 2
    • Replies: 24
    • Views: 736
    05-21-2016, 09:34 PM Go to last post
  16. Storebro Lathe- 2 speed motor 3 ph

    Started by Impact-vector, 05-14-2016 06:50 PM
    hoping, vfd, speeds, single, switch
    • Replies: 5
    • Views: 379
    05-21-2016, 07:42 AM Go to last post
  17. need help setting up a new vfd

    Started by AWAG, 05-11-2016 11:22 PM
    pot, run, setting, switch, vfd
    • Replies: 14
    • Views: 614
    05-15-2016, 08:59 PM Go to last post
    • Replies: 2
    • Views: 227
    05-14-2016, 07:42 PM Go to last post
  18. Converter for old Leblond lathe

    Started by Jman82, 05-12-2016 08:11 PM
    3/4hp, 3ph, converter, thing, true
    • Replies: 4
    • Views: 296
    05-13-2016, 08:24 AM Go to last post
  19. Phase converter fora 15 HP cnclathe ?

    Started by Air Chunk, 11-16-2015 05:53 PM
    converter, motor, option, phase, pony
    • Replies: 6
    • Views: 1,038
    05-11-2016, 06:28 PM Go to last post
    • Replies: 22
    • Views: 1,019
    05-10-2016, 03:01 PM Go to last post
  20. dang! How is a guy supposed to learn this stuff..

    Started by CalG, 05-05-2016 05:51 PM
    cards, compatible, level, odds, stuff
    • Replies: 13
    • Views: 1,098
    05-10-2016, 07:39 AM Go to last post
  21. New Baldor Motor Issue

    Started by judavis126, 05-05-2016 09:02 AM
    baldor, metal, motor, start, switch
    • Replies: 7
    • Views: 508
    05-07-2016, 12:04 PM Go to last post
    • Replies: 6
    • Views: 585
    05-05-2016, 11:23 AM Go to last post
  22. American RPC

    Started by cob, 04-28-2016 11:37 PM
    • Replies: 16
    • Views: 910
    05-05-2016, 05:37 AM Go to last post
  23. HIGH motor amps

    Started by Pottsie454, 05-02-2016 07:46 AM
    2 Pages
    1 2
    motor, amps, feed, running, buzz
    • Replies: 22
    • Views: 901
    05-04-2016, 09:01 PM Go to last post
  24. Rotary phase converter to build or not to build.

    Started by Pottsie454, 04-19-2016 06:52 AM
    4 Pages
    1 2 3 ... 4
    • Replies: 76
    • Views: 3,033
    05-04-2016, 08:45 PM Go to last post
    • Replies: 1
    • Views: 267
    05-04-2016, 07:44 PM Go to last post
  25. RPC and GFI GFCI at 3P 3phase 490v Delta

    Started by noobie, 05-03-2016 01:05 PM
    240y, gfci, lathe, rpc, transformer
    • Replies: 0
    • Views: 220
    05-03-2016, 01:05 PM Go to last post
  26. 30 KVA cnc, runniing 480V, what is the wire size?

    Started by landm1, 03-05-2016 05:47 AM
    3 Pages
    1 2 3
    cnc, figured, kva, length, wire
    • Replies: 49
    • Views: 2,372
    05-03-2016, 08:56 AM Go to last post
  27. Help appreciated with Sheldon lathe wiring

    Started by beeser, 04-27-2016 04:37 PM
    • Replies: 12
    • Views: 634
    05-02-2016, 03:46 PM Go to last post
  28. Motor Starting Issue

    Started by t120r, 04-17-2016 03:51 PM
    contactor, motor, power, starting, wiring
    • Replies: 5
    • Views: 477
    05-02-2016, 10:53 AM Go to last post
  29. RPC balancing

    Started by shandit66, 01-11-2016 04:26 PM
    3 Pages
    1 2 3
    • Replies: 45
    • Views: 3,325
    05-01-2016, 03:25 PM Go to last post
  30. "High Temp" rated connectors

    Started by Sea Farmer, 04-27-2016 01:54 PM
    connectors, high, qualify, rating, temp
    • Replies: 12
    • Views: 597
    05-01-2016, 02:01 AM Go to last post
  31. Teco FM50 on/off switch?

    Started by Phil27, 04-24-2016 01:35 PM
    • Replies: 12
    • Views: 659
    04-30-2016, 07:38 AM Go to last post
    • Replies: 12
    • Views: 1,257
    04-29-2016, 08:38 AM Go to last post
  32. Successful CP-200 Conversions

    Started by smilingjohn, 04-06-2012 08:25 AM
    4 Pages
    1 2 3 ... 4
    • Replies: 62
    • Views: 17,449
    04-28-2016, 08:18 AM Go to last post

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