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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: 180
    • Views: 376,706
    06-11-2019, 10:05 AM Go to last post
  2. 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: 8,524
    08-02-2017, 04:05 PM Go to last post
    • Replies: 0
    • Views: 5,627
    04-03-2017, 01:11 PM Go to last post
  3. 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: 9,432
    01-10-2016, 12:09 AM Go to last post
  4. Sticky Thread Sticky: A reminder.... please make your thread title meaningful

    Started by JST, 02-23-2013 09:31 AM
    • Replies: 0
    • Views: 17,599
    02-23-2013, 09:31 AM Go to last post
  1. Question on VFD vs RPC

    Started by rbahr, 10-13-2019 12:00 AM
    5hp, motor, rpc, start, vfd
    • Replies: 9
    • Views: 362
    10-14-2019, 04:31 PM Go to last post
  2. VFD vs. Rotary Phase Converter

    Started by Chuck Pool, 01-15-2007 05:48 PM
    • Replies: 16
    • Views: 16,593
    10-14-2019, 01:16 AM Go to last post
    • Replies: 18
    • Views: 1,166
    10-13-2019, 11:30 PM Go to last post
  3. Need help finding a manual

    Started by redragon1981, 10-13-2019 07:21 PM
    greatly, lists, manual, parameters, reprogram
    • Replies: 0
    • Views: 127
    10-13-2019, 07:21 PM Go to last post
    • Replies: 8
    • Views: 276
    10-13-2019, 10:37 AM Go to last post
    • Replies: 16
    • Views: 829
    10-13-2019, 10:19 AM Go to last post
  4. Help with Wiring Rotary Phase Converter

    Started by Cephalon, 10-11-2019 03:46 PM
    • Replies: 4
    • Views: 298
    10-12-2019, 11:13 PM Go to last post
  5. 600V VFD for Bridgeport

    Started by Leadfootin, 10-12-2019 07:39 PM
    600v, bridgeport, prefer, unit, vfd
    • Replies: 0
    • Views: 143
    10-12-2019, 07:39 PM Go to last post
    • Replies: 38
    • Views: 5,302
    10-11-2019, 03:52 PM Go to last post
    • Replies: 18
    • Views: 1,027
    10-10-2019, 10:35 PM Go to last post
  6. Run a welder off a Phase Perfect Converter?

    Started by baran3, 10-05-2019 06:22 PM
    converter, perfect, phase, unit, welder
    • Replies: 7
    • Views: 706
    10-10-2019, 10:26 PM Go to last post
    • Replies: 14
    • Views: 502
    10-10-2019, 10:23 PM Go to last post
    • Replies: 13
    • Views: 957
    10-10-2019, 06:20 PM Go to last post
  7. Need 400V 3phase for CNC machine, best approach?

    Started by SeanDean, 10-10-2019 05:19 AM
    400v, machine, main, transformer, wye
    • Replies: 0
    • Views: 187
    10-10-2019, 05:19 AM Go to last post
    • Replies: 12
    • Views: 588
    10-09-2019, 08:38 PM Go to last post
    • Replies: 10
    • Views: 485
    10-07-2019, 05:13 PM Go to last post
  8. Rewiring a Hardinge TBF for VFD control

    Started by Dunedin, 09-30-2019 01:54 PM
    control, motor, speed, tbf, vfd
    • Replies: 10
    • Views: 629
    10-06-2019, 08:30 AM Go to last post
    • Replies: 2
    • Views: 375
    10-05-2019, 01:10 PM Go to last post
  9. Using original motor controls with a VFD

    Started by Warren, 11-10-2010 04:08 AM
    3 Pages
    1 2 3
    • Replies: 47
    • Views: 10,623
    10-05-2019, 12:10 PM Go to last post
    • Replies: 4
    • Views: 432
    10-05-2019, 08:48 AM Go to last post
  10. Breaker size for 10 hp RPC?

    Started by MushCreek, 09-29-2019 05:46 AM
    40a, breaker, motor, rpc, run
    • Replies: 7
    • Views: 652
    10-05-2019, 05:07 AM Go to last post
    • Replies: 1
    • Views: 277
    10-01-2019, 09:46 PM Go to last post
    • Replies: 10
    • Views: 718
    09-29-2019, 08:37 PM Go to last post
    • Replies: 5
    • Views: 509
    09-29-2019, 07:08 PM Go to last post
  11. Phase Perfect dpc-a10

    Started by Hardplates, 08-16-2019 12:55 PM
    6 Pages
    1 2 3 ... 6
    • Replies: 109
    • Views: 6,267
    09-29-2019, 11:55 AM Go to last post
    • Replies: 4
    • Views: 401
    09-28-2019, 08:36 PM Go to last post
  12. VFD for 3 machines?

    Started by wyelk, 09-22-2019 09:44 PM
    completely, converter, machines, vfd, vfds
    • Replies: 10
    • Views: 762
    09-28-2019, 04:36 PM Go to last post
  13. Rotary Phase Converter Questions

    Started by Kevin T, 09-20-2019 06:00 PM
    • Replies: 6
    • Views: 669
    09-28-2019, 02:26 PM Go to last post
    • Replies: 11
    • Views: 624
    09-27-2019, 09:01 PM Go to last post
  14. Phase converter currents out of balance

    Started by Lpjack, 09-25-2019 10:30 PM
    converter, current, phase, shear, unloaded
    • Replies: 6
    • Views: 582
    09-27-2019, 08:11 PM Go to last post
  15. Potential relay noise in RPC build

    Started by geekamole, 09-23-2019 01:34 PM
    panel, potential, relay, start, switch
    • Replies: 11
    • Views: 626
    09-27-2019, 07:57 PM Go to last post
  16. Which VFD for my 10 hp air compressor?

    Started by TMVT, 09-27-2019 06:11 PM
    air, compressor, good, purchase, vfd
    • Replies: 0
    • Views: 278
    09-27-2019, 06:11 PM Go to last post
  17. Question Replacement VFD Spindle Drive for Three J425

    Started by UARCHAEA, 04-26-2015 09:53 PM
    • Replies: 9
    • Views: 3,365
    09-27-2019, 05:31 PM Go to last post
    • Replies: 5
    • Views: 533
    09-27-2019, 10:58 AM Go to last post
  18. Cool Haas-Kamp conversion for Miller CP-300, and CP-302 200-230-460

    Started by DaveKamp, 10-14-2018 11:29 PM
    4 Pages
    1 2 3 ... 4
    • Replies: 71
    • Views: 6,786
    09-25-2019, 10:46 AM Go to last post
  19. Victor Lathe tie in point!?

    Started by silencerman, 09-20-2019 07:01 AM
    • Replies: 11
    • Views: 744
    09-25-2019, 03:24 AM Go to last post
  20. Help me pick a 1 to 3 phase 220v converter

    Started by aronht, 09-21-2019 10:18 AM
    converter, mill, phase, pick, run
    • Replies: 12
    • Views: 749
    09-24-2019, 02:34 PM Go to last post
  21. 5hp motor versus 10hp power output

    Started by viragocafe, 09-21-2019 12:05 PM
    2 Pages
    1 2
    air compressor pump, compressors, horsepower, motors, torque
    • Replies: 22
    • Views: 1,547
    09-24-2019, 12:12 PM Go to last post
  22. Risks of buying a used Phase Perfect?

    Started by Trboatworks, 09-23-2019 06:20 AM
    buying, listed, maker, ship, unit
    • Replies: 1
    • Views: 430
    09-24-2019, 11:16 AM Go to last post
  23. I need to upgrade my phase converter

    Started by TheoA, 09-22-2019 07:24 PM
    40hp, converter, motor, phase, widebelt
    • Replies: 1
    • Views: 369
    09-24-2019, 10:04 AM Go to last post

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