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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: 290,365
    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: 4,179
    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: 11,480
    02-23-2013, 08:31 AM Go to last post
  1. RPC Capacitor Switching

    Started by Paul_NJ, 03-25-2017 10:38 PM
    3 Pages
    1 2 3
    • Replies: 45
    • Views: 1,022
    03-29-2017, 08:32 PM Go to last post
  2. Relays: octal vs blade plug-ins?

    Started by rklopp, 03-29-2017 11:21 AM
    blade, machine, octal, plug-ins, relays
    • Replies: 13
    • Views: 238
    03-29-2017, 08:28 PM Go to last post
  3. Recommended VFDs for my Bridgeport?

    Started by Maschine, 03-18-2017 06:23 PM
    phase, speed, static, variable, vfds
    • Replies: 10
    • Views: 464
    03-29-2017, 10:40 AM Go to last post
  4. Motor Overload Trip Question

    Started by duckfarmer27, 02-23-2017 09:27 AM
    3 Pages
    1 2 3
    • Replies: 50
    • Views: 1,682
    03-28-2017, 06:03 PM Go to last post
    • Replies: 3
    • Views: 153
    03-28-2017, 05:54 PM Go to last post
  5. 575 volt "cold saw"

    Started by Maineiak, 03-06-2017 05:54 PM
    2 Pages
    1 2
    • Replies: 34
    • Views: 1,164
    03-28-2017, 03:59 PM Go to last post
  6. 2-speed 3-phase motor

    Started by clarnibass, 02-21-2017 02:47 AM
    • Replies: 6
    • Views: 473
    03-27-2017, 07:41 PM Go to last post
  7. Question Static Phase converter to outlet?

    Started by crowecustomcues, 03-25-2017 05:22 AM
    • Replies: 6
    • Views: 268
    03-25-2017, 03:19 PM Go to last post
  8. Help balancing/setting up RPC for CNC

    Started by jonesturf, 03-22-2017 06:41 AM
    caps, figured, phase, rpc, transformer
    • Replies: 3
    • Views: 239
    03-23-2017, 03:56 PM Go to last post
  9. 3HP SHARP mill phase conversion

    Started by GRHebard, 03-06-2017 08:09 PM
    coming, phase, switch, tag, wires
    • Replies: 6
    • Views: 471
    03-23-2017, 03:06 PM Go to last post
    • Replies: 0
    • Views: 148
    03-23-2017, 10:07 AM Go to last post
  10. Bodine motor fuse question

    Started by Luddite, 03-22-2017 03:03 PM
    11rg, bodine, fuse, metal, motor
    • Replies: 3
    • Views: 186
    03-23-2017, 07:26 AM Go to last post
    • Replies: 6
    • Views: 325
    03-21-2017, 05:35 AM Go to last post
  11. VFD stopped working

    Started by emorymcdougald, 03-19-2017 08:18 PM
    220v, days, motor, start, vfd
    • Replies: 9
    • Views: 526
    03-20-2017, 09:47 PM Go to last post
  12. 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: 1,356
    03-19-2017, 11:42 PM Go to last post
  13. Rotary Phase Converer

    Started by gregfortin, 03-18-2017 10:03 AM
    buy, good, greg, lathe, recommendations
    • Replies: 1
    • Views: 229
    03-19-2017, 10:03 PM Go to last post
  14. 5 HP Motor/ Capacitor question

    Started by PWP, 03-11-2017 04:16 PM
    • Replies: 14
    • Views: 496
    03-18-2017, 08:59 PM Go to last post
  15. Need help finding direction of 30HP motor

    Started by jonesturf, 03-18-2017 02:43 PM
    30hp, amps, fuses, motor, wrong
    • Replies: 2
    • Views: 227
    03-18-2017, 03:09 PM Go to last post
  16. Old Vee Arc controller question.

    Started by oddball racing, 01-25-2009 04:10 PM
    • Replies: 4
    • Views: 2,560
    03-17-2017, 05:57 PM Go to last post
  17. Unhappy 220 volt single phase lathe

    Started by troy4595, 03-15-2017 12:40 AM
    finish, lathe, phase, single, volt
    • Replies: 12
    • Views: 565
    03-15-2017, 02:17 PM Go to last post
  18. Quieting Large "Dry Type" Transformer

    Started by cinematechnic, 03-05-2017 03:38 PM
    3 Pages
    1 2 3
    • Replies: 57
    • Views: 1,633
    03-14-2017, 11:46 AM Go to last post
    • Replies: 15
    • Views: 9,297
    03-13-2017, 11:01 PM Go to last post
  19. Running multiple VFD/motors on same circuit?

    Started by CountryBoy19, 03-07-2017 07:24 PM
    circuit, disconnects, equipment, motor, multiple
    • Replies: 5
    • Views: 359
    03-12-2017, 10:53 PM Go to last post
  20. Speedaire Compressor contactor problem

    Started by jermfab, 03-10-2017 06:12 PM
    • Replies: 9
    • Views: 470
    03-12-2017, 03:43 PM Go to last post
    • Replies: 1
    • Views: 292
    03-12-2017, 10:11 AM Go to last post
  21. 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: 208
    03-12-2017, 08:31 AM Go to last post
  22. OT: battery isolators?

    Started by magneticanomaly, 03-01-2017 08:02 AM
    2 Pages
    1 2
    battery, charging, spare, system, voltage
    • Replies: 33
    • Views: 1,338
    03-11-2017, 06:50 AM Go to last post
  23. Transformer choices for three speed motor

    Started by beckerkumm, 03-08-2017 10:14 PM
    2 Pages
    1 2
    • Replies: 27
    • Views: 745
    03-10-2017, 09:19 PM Go to last post
  24. Need help wiring GE motor - 220v

    Started by jonesturf, 03-10-2017 01:17 PM
    motor, wiring, found, wire, good
    • Replies: 4
    • Views: 282
    03-10-2017, 07:38 PM Go to last post
  25. 30hp digital phase perfect

    Started by diyengineer253, 02-02-2017 02:32 PM
    phase, 30hp, breaker, perfect, sell
    • Replies: 19
    • Views: 963
    03-09-2017, 09:18 PM Go to last post
  26. 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: 1,096
    03-08-2017, 06:22 PM Go to last post
    • Replies: 6
    • Views: 1,275
    03-08-2017, 04:34 AM Go to last post
  27. Reforming Capacitors For A V.F.D.

    Started by Jim Kennedy, 02-27-2017 01:01 AM
    2 Pages
    1 2
    • Replies: 33
    • Views: 1,119
    03-06-2017, 06:46 PM Go to last post
    • Replies: 1
    • Views: 132
    03-06-2017, 03:40 PM Go to last post
  28. 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: 443
    03-06-2017, 04:54 AM Go to last post
  29. Running 3phase 220v on single phase 110v

    Started by emorymcdougald, 02-25-2017 02:24 PM
    220v, motor, phase, running, single
    • Replies: 5
    • Views: 482
    03-05-2017, 08:35 PM Go to last post
    • Replies: 18
    • Views: 1,259
    03-05-2017, 03:18 PM Go to last post
  30. indicator light hookup question

    Started by wippin' boy, 03-03-2017 06:13 PM
    ground, hook, indicator, pump, wire
    • Replies: 4
    • Views: 261
    03-03-2017, 07:19 PM Go to last post
    • Replies: 2
    • Views: 270
    03-02-2017, 09:22 PM Go to last post
  31. Braking HY

    Started by user27, 02-23-2017 03:07 PM
    • Replies: 17
    • Views: 579
    03-01-2017, 11:14 AM Go to last post

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