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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
    9 Pages
    1 2 3 ... 9
    • Replies: 166
    • Views: 289,665
    01-14-2017, 11:18 AM Go to last post
  2. 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: 4,152
    01-09-2016, 11:09 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: 11,459
    02-23-2013, 08:31 AM Go to last post
  1. Motor Overload Trip Question

    Started by duckfarmer27, 02-23-2017 09:27 AM
    2 Pages
    1 2
    • Replies: 34
    • Views: 1,107
    03-23-2017, 09:11 PM Go to last post
  2. 575 volt "cold saw"

    Started by Maineiak, 03-06-2017 05:54 PM
    2 Pages
    1 2
    • Replies: 29
    • Views: 887
    03-23-2017, 08:22 PM Go to last post
  3. Help balancing/setting up RPC for CNC

    Started by jonesturf, 03-22-2017 06:41 AM
    caps, figured, phase, rpc, transformer
    • Replies: 3
    • Views: 160
    03-23-2017, 03:56 PM Go to last post
  4. 3HP SHARP mill phase conversion

    Started by GRHebard, 03-06-2017 08:09 PM
    coming, phase, switch, tag, wires
    • Replies: 6
    • Views: 404
    03-23-2017, 03:06 PM Go to last post
    • Replies: 0
    • Views: 86
    03-23-2017, 10:07 AM Go to last post
  5. Bodine motor fuse question

    Started by Luddite, 03-22-2017 03:03 PM
    11rg, bodine, fuse, metal, motor
    • Replies: 3
    • Views: 145
    03-23-2017, 07:26 AM Go to last post
    • Replies: 6
    • Views: 246
    03-21-2017, 05:35 AM Go to last post
  6. VFD stopped working

    Started by emorymcdougald, 03-19-2017 08:18 PM
    220v, days, motor, start, vfd
    • Replies: 9
    • Views: 480
    03-20-2017, 09:47 PM Go to last post
  7. Recommended VFDs for my Bridgeport?

    Started by Maschine, 03-18-2017 06:23 PM
    phase, speed, static, variable, vfds
    • Replies: 9
    • Views: 359
    03-20-2017, 02:21 PM Go to last post
  8. Picking Rotary Phase Converter Size - How big do you really?

    Started by Kevin101, 03-09-2017 09:30 PM
    2 Pages
    1 2
    cnc, converter, lathe, phase, rotary
    • Replies: 36
    • Views: 1,246
    03-19-2017, 11:42 PM Go to last post
  9. Rotary Phase Converer

    Started by gregfortin, 03-18-2017 10:03 AM
    buy, good, greg, lathe, recommendations
    • Replies: 1
    • Views: 198
    03-19-2017, 10:03 PM Go to last post
  10. 5 HP Motor/ Capacitor question

    Started by PWP, 03-11-2017 04:16 PM
    • Replies: 14
    • Views: 477
    03-18-2017, 08:59 PM Go to last post
  11. Need help finding direction of 30HP motor

    Started by jonesturf, 03-18-2017 02:43 PM
    30hp, amps, fuses, motor, wrong
    • Replies: 2
    • Views: 178
    03-18-2017, 03:09 PM Go to last post
  12. Old Vee Arc controller question.

    Started by oddball racing, 01-25-2009 04:10 PM
    • Replies: 4
    • Views: 2,543
    03-17-2017, 05:57 PM Go to last post
  13. Unhappy 220 volt single phase lathe

    Started by troy4595, 03-15-2017 12:40 AM
    finish, lathe, phase, single, volt
    • Replies: 12
    • Views: 543
    03-15-2017, 02:17 PM Go to last post
  14. Quieting Large "Dry Type" Transformer

    Started by cinematechnic, 03-05-2017 03:38 PM
    3 Pages
    1 2 3
    • Replies: 57
    • Views: 1,551
    03-14-2017, 11:46 AM Go to last post
    • Replies: 15
    • Views: 9,204
    03-13-2017, 11:01 PM Go to last post
  15. Running multiple VFD/motors on same circuit?

    Started by CountryBoy19, 03-07-2017 07:24 PM
    circuit, disconnects, equipment, motor, multiple
    • Replies: 5
    • Views: 326
    03-12-2017, 10:53 PM Go to last post
  16. Speedaire Compressor contactor problem

    Started by jermfab, 03-10-2017 06:12 PM
    • Replies: 9
    • Views: 443
    03-12-2017, 03:43 PM Go to last post
    • Replies: 1
    • Views: 241
    03-12-2017, 10:11 AM Go to last post
  17. CL 575V 20hp phase converter motor for someone...

    Started by neilho, 03-12-2017 08:31 AM
    $150, bucks, hard, usual, wrong
    • Replies: 0
    • Views: 179
    03-12-2017, 08:31 AM Go to last post
  18. OT: battery isolators?

    Started by magneticanomaly, 03-01-2017 08:02 AM
    2 Pages
    1 2
    battery, charging, spare, system, voltage
    • Replies: 33
    • Views: 1,252
    03-11-2017, 06:50 AM Go to last post
  19. Transformer choices for three speed motor

    Started by beckerkumm, 03-08-2017 10:14 PM
    2 Pages
    1 2
    • Replies: 27
    • Views: 697
    03-10-2017, 09:19 PM Go to last post
  20. Need help wiring GE motor - 220v

    Started by jonesturf, 03-10-2017 01:17 PM
    motor, wiring, found, wire, good
    • Replies: 4
    • Views: 258
    03-10-2017, 07:38 PM Go to last post
  21. 30hp digital phase perfect

    Started by diyengineer253, 02-02-2017 02:32 PM
    phase, 30hp, breaker, perfect, sell
    • Replies: 19
    • Views: 923
    03-09-2017, 09:18 PM Go to last post
  22. Rotary Phase Converter Won't Start, Help requested please.

    Started by cwilcox, 02-27-2017 07:22 PM
    2 Pages
    1 2
    • Replies: 26
    • Views: 1,029
    03-08-2017, 06:22 PM Go to last post
    • Replies: 6
    • Views: 1,257
    03-08-2017, 04:34 AM Go to last post
  23. Reforming Capacitors For A V.F.D.

    Started by Jim Kennedy, 02-27-2017 01:01 AM
    2 Pages
    1 2
    • Replies: 33
    • Views: 1,077
    03-06-2017, 06:46 PM Go to last post
    • Replies: 1
    • Views: 120
    03-06-2017, 03:40 PM Go to last post
  24. Need device to step down 480V 3ph to 220v 1ph

    Started by Walter A, 03-05-2017 10:36 AM
    1ph, 220v, 3ph, 480v, device
    • Replies: 12
    • Views: 416
    03-06-2017, 04:54 AM Go to last post
  25. Running 3phase 220v on single phase 110v

    Started by emorymcdougald, 02-25-2017 02:24 PM
    220v, motor, phase, running, single
    • Replies: 5
    • Views: 450
    03-05-2017, 08:35 PM Go to last post
    • Replies: 18
    • Views: 1,233
    03-05-2017, 03:18 PM Go to last post
  26. indicator light hookup question

    Started by wippin' boy, 03-03-2017 06:13 PM
    ground, hook, indicator, pump, wire
    • Replies: 4
    • Views: 245
    03-03-2017, 07:19 PM Go to last post
    • Replies: 2
    • Views: 243
    03-02-2017, 09:22 PM Go to last post
  27. Braking HY

    Started by user27, 02-23-2017 03:07 PM
    • Replies: 17
    • Views: 532
    03-01-2017, 11:14 AM Go to last post
  28. VFD high pitch tone

    Started by clarnibass, 01-06-2017 10:14 PM
    • Replies: 14
    • Views: 1,113
    02-27-2017, 12:00 AM Go to last post
  29. Delta or Schneider VFD - does it matter?

    Started by clarnibass, 02-02-2017 09:25 PM
    carrier, delta, frequency, matter, schneider
    • Replies: 15
    • Views: 904
    02-26-2017, 11:54 PM Go to last post
  30. Rotary Pase Converter for sale

    Started by magshooter, 12-19-2016 07:27 AM
    $500, fadal, hours, low, power
    • Replies: 1
    • Views: 709
    02-26-2017, 07:52 PM Go to last post
    • Replies: 11
    • Views: 573
    02-26-2017, 04:14 PM Go to last post
  31. Amps per leg on three phase??

    Started by antique lathe, 02-24-2017 05:25 PM
    amps, causing, leg, reading, tomorrow
    • Replies: 3
    • Views: 385
    02-24-2017, 09:22 PM Go to last post

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