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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, 09-21-2006 12:46 AM
    10 Pages
    1 2 3 ... 10
    • Replies: 191
    • Views: 400,983
    04-29-2020, 07:03 AM Go to last post
  2. Sticky Thread Sticky: Motor drum switch wiring references Please look before asking

    Started by JST, 04-13-2020 10:13 PM
    drum, phase, single, step, switch
    • Replies: 1
    • Views: 589
    04-13-2020, 10:13 PM Go to last post
  3. Sticky Thread Sticky: Huanyang VFDs.... Banned from discussion

    Started by JST, 08-02-2017 04:05 PM
    banned, huanyang, sold, units, vfds
    • Replies: 0
    • Views: 11,832
    08-02-2017, 04:05 PM Go to last post
    • Replies: 0
    • Views: 7,402
    04-03-2017, 01:11 PM Go to last post
  4. Sticky Thread Sticky: Please keep threads to one subject as much as possible

    Started by JST, 01-10-2016 12:09 AM
    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: 11,464
    01-10-2016, 12:09 AM Go to last post
  5. Sticky Thread Sticky: A reminder.... please make your thread title meaningful

    Started by JST, 02-23-2013 09:31 AM
    • Replies: 0
    • Views: 19,600
    02-23-2013, 09:31 AM Go to last post
    • Replies: 1
    • Views: 75
    05-27-2020, 01:55 AM Go to last post
  1. Converter repair

    Started by Don Gitzel, 05-25-2020 08:16 AM
    • Replies: 16
    • Views: 559
    05-27-2020, 12:10 AM Go to last post
  2. Pony Motor Question - 25 HP RPC

    Started by Balvar24, 02-25-2020 03:40 PM
    • Replies: 19
    • Views: 1,888
    05-26-2020, 05:08 AM Go to last post
  3. VFD to Power Supply Trouble

    Started by I'llFixIt, 05-21-2020 03:23 PM
    amps, drive, power, rated, supply
    • Replies: 15
    • Views: 759
    05-24-2020, 10:19 AM Go to last post
    • Replies: 6
    • Views: 323
    05-24-2020, 07:58 AM Go to last post
  4. 400VAC 50Hz Cost Effectively

    Started by I'llFixIt, 03-20-2020 11:30 AM
    400vac, frequency, machine, run, voltage
    • Replies: 17
    • Views: 1,351
    05-23-2020, 10:28 PM Go to last post
  5. Installing a Tachometer on a Lathe

    Started by Can'tWeld, 11-26-2016 06:46 AM
    • Replies: 7
    • Views: 3,223
    05-23-2020, 09:37 PM Go to last post
  6. Question about remote controls on Teco L510

    Started by calderp, 05-23-2020 12:54 PM
    • Replies: 5
    • Views: 227
    05-23-2020, 09:06 PM Go to last post
  7. Coolant pump wired wrong?

    Started by tarzan63, 05-23-2020 06:44 AM
    • Replies: 1
    • Views: 173
    05-23-2020, 07:01 AM Go to last post
  8. Motors pulling 75% FLA unloaded

    Started by PINCK43, 05-14-2020 02:36 PM
    3 Pages
    1 2 3
    • Replies: 55
    • Views: 2,032
    05-22-2020, 05:01 PM Go to last post
  9. 3 phase generator driven by single phase motor

    Started by Aryan165, 05-04-2020 03:50 PM
    4 Pages
    1 2 3 ... 4
    • Replies: 79
    • Views: 3,246
    05-22-2020, 01:25 PM Go to last post
    • Replies: 0
    • Views: 171
    05-22-2020, 12:42 PM Go to last post
    • Replies: 9
    • Views: 624
    05-22-2020, 11:31 AM Go to last post
  10. Buck Boost Trans for Bandsaw Blade Welder.

    Started by dkmc, 05-21-2020 10:01 AM
    • Replies: 5
    • Views: 350
    05-22-2020, 08:33 AM Go to last post
  11. Rotary Phase Converters, Transformers, Subpanels and Grounding

    Started by rpseguin, 05-17-2020 10:28 AM
    2 Pages
    1 2
    ground, grounding, roc, rotary phase converter, transformer
    • Replies: 27
    • Views: 984
    05-21-2020, 12:33 PM Go to last post
  12. Which type of 3 phase converter should I implement?

    Started by homer14, 05-15-2020 01:18 PM
    4 Pages
    1 2 3 ... 4
    • Replies: 60
    • Views: 2,002
    05-21-2020, 02:43 AM Go to last post
  13. need help with electric motor

    Started by love4god, 05-17-2020 12:50 AM
    • Replies: 12
    • Views: 636
    05-19-2020, 10:02 PM Go to last post
  14. phase converter contactor probelm?

    Started by profligate, 05-18-2020 08:40 AM
    • Replies: 3
    • Views: 304
    05-18-2020, 11:39 PM Go to last post
    • Replies: 59
    • Views: 2,091
    05-18-2020, 06:12 PM Go to last post
  15. "Cleaning" an electric motor ??

    Started by welderboyjk, 07-22-2008 07:59 AM
    2 Pages
    1 2
    • Replies: 24
    • Views: 50,758
    05-18-2020, 01:37 PM Go to last post
    • Replies: 7
    • Views: 857
    05-18-2020, 02:57 AM Go to last post
    • Replies: 5
    • Views: 413
    05-17-2020, 12:00 PM Go to last post
    • Replies: 10
    • Views: 1,025
    05-16-2020, 04:12 PM Go to last post
  16. Puzzle for motor experts

    Started by 9100, 05-14-2020 06:03 PM
    • Replies: 5
    • Views: 448
    05-16-2020, 09:22 AM Go to last post
  17. Allen Bradley 160-AA18NP03 Series C ?

    Started by catch22, 05-15-2020 03:18 PM
    lathe, motor, vfd, vfd single phase in, wired
    • Replies: 2
    • Views: 231
    05-15-2020, 06:32 PM Go to last post
  18. Relay Repair

    Started by rbdjr59, 05-03-2020 08:51 AM
    2 Pages
    1 2
    • Replies: 27
    • Views: 1,311
    05-15-2020, 05:54 PM Go to last post
  19. VFD 1phase to 3 phase question

    Started by paddua, 05-15-2020 12:11 PM
    connect, hot, input, plan, series
    • Replies: 1
    • Views: 242
    05-15-2020, 01:47 PM Go to last post
    • Replies: 2
    • Views: 313
    05-14-2020, 11:35 PM Go to last post
  20. Bypassing the timer PCB on American Rotary 40hp panel

    Started by Fear624, 05-10-2020 08:20 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 918
    05-14-2020, 10:53 PM Go to last post
  21. looking for a molex crimp tool, that isn't $350

    Started by Cole2534, 05-14-2020 11:04 AM
    $350, crimp, crimper, good, molex
    • Replies: 4
    • Views: 295
    05-14-2020, 04:47 PM Go to last post
  22. 230/400V Step-Up transformer for VFD input?

    Started by Aryan165, 04-29-2020 04:06 PM
    3 phase, single phase, step up transformer, transformer, vfd
    • Replies: 14
    • Views: 958
    05-14-2020, 03:16 PM Go to last post
  23. Which AC drive for this 300hz 5hp spindle?

    Started by tomjelly, 05-14-2020 12:11 PM
    • Replies: 0
    • Views: 169
    05-14-2020, 12:11 PM Go to last post
  24. Belle large 1 ph motors---- anyone use one?

    Started by ChipSplitter, 05-12-2020 06:53 AM
    belle, large, phase, spam, thinking
    • Replies: 10
    • Views: 521
    05-14-2020, 04:52 AM Go to last post
  25. Connecting rotary inverter

    Started by Mr muddle, 05-10-2020 06:40 AM
    • Replies: 8
    • Views: 508
    05-14-2020, 02:46 AM Go to last post
  26. cosφ

    Started by ptsmith, 05-12-2020 07:29 PM
    acquired, cosφ, found, hook, motor
    • Replies: 4
    • Views: 417
    05-13-2020, 07:25 PM Go to last post
    • Replies: 17
    • Views: 2,223
    05-13-2020, 04:45 PM Go to last post
  27. Harrison M 300 Magnetic Motor starters

    Started by int3man, 05-09-2020 05:54 PM
    bought, contact, correct, harrison, magnetic
    • Replies: 3
    • Views: 319
    05-12-2020, 07:38 PM Go to last post
  28. Initialize a VFD thats been unused??

    Started by Metalurgent, 05-07-2020 10:00 PM
    drive, load, motor, unused, vfd
    • Replies: 19
    • Views: 1,224
    05-11-2020, 09:55 PM Go to last post
  29. Lathe motor replacement or auto transformer

    Started by hackish, 05-11-2020 04:09 PM
    buying, completely, delivered, motor, transformer
    • Replies: 3
    • Views: 314
    05-11-2020, 08:55 PM Go to last post
    • Replies: 3
    • Views: 496
    05-10-2020, 10:54 PM Go to last post

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