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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: 170
    • Views: 309,307
    08-29-2017, 01:47 PM Go to last post
  2. Sticky Thread Sticky: Huanyang VFDs.... Banned from discussion

    Started by JST, 08-02-2017 03:05 PM
    banned, huanyang, sold, units, vfds
    • Replies: 0
    • Views: 832
    08-02-2017, 03:05 PM Go to last post
    • Replies: 0
    • Views: 1,775
    04-03-2017, 12:11 PM Go to last post
  3. 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: 5,678
    01-09-2016, 11:09 PM Go to last post
  4. Sticky Thread Sticky: A reminder.... please make your thread title meaningful

    Started by JST, 02-23-2013 08:31 AM
    • Replies: 0
    • Views: 12,930
    02-23-2013, 08:31 AM Go to last post
    • Replies: 15
    • Views: 437
    09-21-2017, 11:31 AM Go to last post
  1. Hitachi WJ200 VFD, Close loop vector possible?

    Started by rbent, 09-21-2017 10:51 AM
    closed, control, loop, speed, vector
    • Replies: 0
    • Views: 4
    09-21-2017, 10:51 AM Go to last post
  2. Potentiometer sizing question

    Started by CountryBoy19, 09-19-2017 07:58 AM
    2 Pages
    1 2
    drastically, drive, pot, potentiometer, watt
    • Replies: 32
    • Views: 717
    09-21-2017, 09:32 AM Go to last post
  3. 208v transformer with 238v input voltage

    Started by swellwelder, 09-17-2017 04:01 PM
    • Replies: 11
    • Views: 357
    09-21-2017, 02:25 AM Go to last post
  4. Static Phase Converter used to start an Idler Motor???

    Started by adambomb777, 07-21-2017 01:57 PM
    2 Pages
    1 2
    • Replies: 25
    • Views: 1,601
    09-20-2017, 03:21 PM Go to last post
  5. Which drive, your opinions?

    Started by TJScharp, 09-16-2017 05:55 PM
    $1000-2000, drive, features, lathe, phase
    • Replies: 10
    • Views: 470
    09-19-2017, 10:09 AM Go to last post
  6. Static phase conv. or motor problem

    Started by Linebore, 01-29-2005 07:38 AM
    • Replies: 6
    • Views: 635
    09-16-2017, 08:19 AM Go to last post
  7. OT 3ph WinPower 5kw generator

    Started by CalG, 09-15-2017 08:26 PM
    leg, pull, question, safe, single
    • Replies: 4
    • Views: 223
    09-15-2017, 10:11 PM Go to last post
    • Replies: 15
    • Views: 636
    09-11-2017, 09:32 PM Go to last post
  8. Convert motor or use phase converter?

    Started by Keithw, 09-10-2017 08:29 AM
    convert, converter, motor, phase, shop
    • Replies: 12
    • Views: 628
    09-11-2017, 07:01 PM Go to last post
  9. Siemens MM440 holding/low rpm torque

    Started by PropellerHat, 09-09-2017 01:21 PM
    lot, mill, motor, nut, rpm
    • Replies: 1
    • Views: 196
    09-11-2017, 12:56 PM Go to last post
  10. Do I have a bad 3-phase motor?

    Started by DocsMachine, 09-10-2017 07:29 PM
    motor, sounded, up-, vfd, wires-
    • Replies: 8
    • Views: 343
    09-11-2017, 10:12 AM Go to last post
  11. Branch circuit breaker sizing for 3 phase motors

    Started by anchorman, 09-06-2017 06:48 PM
    branch, breaker, breakers, circuit, motors
    • Replies: 7
    • Views: 636
    09-09-2017, 10:52 AM Go to last post
  12. Need help on wiring a Delta/Rockwell 10" Lathe

    Started by jtwade, 09-01-2017 03:02 PM
    • Replies: 6
    • Views: 408
    09-09-2017, 07:10 AM Go to last post
  13. DIY all electronic phase converter for CNC equipment ?

    Started by Milacron, 04-26-2011 04:47 AM
    2 Pages
    1 2
    • Replies: 37
    • Views: 10,127
    09-08-2017, 11:07 AM Go to last post
  14. 200V 3phase motor - running on 415v

    Started by sirpy, 09-06-2017 06:52 PM
    200v, access, motor, run, vsd
    • Replies: 1
    • Views: 266
    09-08-2017, 08:38 AM Go to last post
  15. Help with Clausing Colchester and VFD

    Started by Lundstrom9374, 08-30-2017 10:18 PM
    • Replies: 4
    • Views: 427
    09-05-2017, 08:56 PM Go to last post
  16. Single-phase 120v to 3-phase 240v VFD to Leeson IEC motor

    Started by Eils, 08-20-2017 07:24 PM
    2 Pages
    1 2
    • Replies: 24
    • Views: 1,087
    09-05-2017, 08:50 PM Go to last post
  17. VFD on Surface grinder table traverse motor?

    Started by Wade C, 08-02-2012 08:29 AM
    • Replies: 7
    • Views: 2,028
    09-05-2017, 03:40 AM Go to last post
  18. wire gauge for my VFD

    Started by DAN Z, 09-02-2017 05:56 PM
    dan, draw, gauge, vfd, wire
    • Replies: 9
    • Views: 398
    09-04-2017, 12:56 PM Go to last post
  19. Rotary Phase Converter running hot

    Started by borne2fly, 07-20-2017 05:43 PM
    2 Pages
    1 2
    converter, hot, phase, rotary, running
    • Replies: 27
    • Views: 1,997
    09-04-2017, 12:26 PM Go to last post
  20. rotary phase converter star up issues

    Started by EliG, 09-01-2017 11:31 AM
    idler, potential relay, rpc, start, start issues
    • Replies: 0
    • Views: 214
    09-01-2017, 11:31 AM Go to last post
  21. step up transformer sizing

    Started by arenjenkins, 08-31-2017 08:28 PM
    run, running, step, transformer, vfd
    • Replies: 16
    • Views: 473
    09-01-2017, 08:36 AM Go to last post
    • Replies: 3
    • Views: 343
    08-30-2017, 09:48 PM Go to last post
    • Replies: 2
    • Views: 343
    08-30-2017, 09:34 PM Go to last post
  22. Transformer K-Factor for CNC's ?

    Started by SND, 08-27-2017 06:40 PM
    cncs, k-1, run, transformer, units
    • Replies: 6
    • Views: 447
    08-29-2017, 04:19 AM Go to last post
  23. Buck Boost, any brand better than others?

    Started by SND, 08-22-2017 12:13 PM
    3 Pages
    1 2 3
    • Replies: 42
    • Views: 1,501
    08-28-2017, 12:47 AM Go to last post
  24. Rpc idler motor question

    Started by Billyboyr66, 08-24-2017 02:33 PM
    idler, motor, phase, power, rpc
    • Replies: 4
    • Views: 377
    08-24-2017, 07:50 PM Go to last post
  25. Amperage limiter

    Started by Bob-J-H, 08-21-2017 06:33 PM
    amp, fla, measuring, shut, torque
    • Replies: 12
    • Views: 574
    08-22-2017, 08:57 PM Go to last post
  26. VFD Compatibility

    Started by Ozzy88, 08-17-2017 10:19 AM
    3 phase, input, single phase, vfd
    • Replies: 9
    • Views: 541
    08-21-2017, 07:41 AM Go to last post
  27. VFD for a Bandsaw

    Started by garcher, 08-20-2017 07:18 AM
    240v, bandsaw, input, run, vfd
    • Replies: 5
    • Views: 461
    08-20-2017, 09:52 PM Go to last post
  28. OK to run a vfd through a disabled switch?

    Started by ronlyke, 08-20-2017 02:42 AM
    forward, leave, position, switch, vfd
    • Replies: 5
    • Views: 372
    08-20-2017, 07:47 AM Go to last post
  29. Circuit board repair?

    Started by Ray Behner, 08-18-2017 11:50 AM
    burnt, fritzed, longer, repair, round
    • Replies: 5
    • Views: 480
    08-18-2017, 06:50 PM Go to last post
  30. What is this odd Siemens 125v 3ph motor for?

    Started by tomjelly, 08-14-2017 07:50 PM
    • Replies: 18
    • Views: 762
    08-18-2017, 12:00 PM Go to last post
    • Replies: 4
    • Views: 372
    08-18-2017, 09:00 AM Go to last post
  31. How did this motor get rewound?

    Started by Matt Matt, 08-17-2017 09:10 PM
    • Replies: 2
    • Views: 401
    08-18-2017, 12:10 AM Go to last post
  32. Why can't I use an A/C contactor?

    Started by leonpiper69, 08-15-2017 12:36 PM
    2 Pages
    1 2
    a/c, lathe, output, receptacle, vfd
    • Replies: 39
    • Views: 1,370
    08-17-2017, 11:56 AM Go to last post
    • Replies: 11
    • Views: 453
    08-17-2017, 10:55 AM Go to last post
  33. VFD for a 2-speed Enco Mill (J-head)

    Started by weedy64, 07-17-2017 12:48 PM
    2-speed, braking, mill, motor, vfd
    • Replies: 2
    • Views: 601
    08-15-2017, 09:56 AM Go to last post
  34. VFD's and bearing "Fluting"

    Started by Monarchist, 08-10-2017 01:36 PM
    2 Pages
    1 2
    brushes, helwig, motors, problem, vfds
    • Replies: 25
    • Views: 1,302
    08-12-2017, 05:10 PM Go to last post

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