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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: 195
    • Views: 426,235
    02-03-2021, 02:21 PM 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: 2,603
    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: 15,764
    08-02-2017, 04:05 PM Go to last post
    • Replies: 0
    • Views: 9,190
    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 01:09 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: 13,228
    01-10-2016, 01:09 AM Go to last post
  5. Sticky Thread Sticky: A reminder.... please make your thread title meaningful

    Started by JST, 02-23-2013 10:31 AM
    • Replies: 0
    • Views: 21,328
    02-23-2013, 10:31 AM Go to last post
  1. 480 volt transformer tripping breaker

    Started by M. Moore, 04-09-2021 11:14 AM
    2 Pages
    1 2
    amp, breaker, time, transformer, volt
    • Replies: 29
    • Views: 637
    04-13-2021, 03:09 AM Go to last post
  2. Phaseconverterusa.com

    Started by Dpelkowski, 10-22-2019 08:30 PM
    message, order, response, update, yesterday
    • Replies: 6
    • Views: 1,529
    04-13-2021, 02:12 AM Go to last post
  3. Fuji VFD shutting down-special installation

    Started by flylo31, 04-09-2021 08:36 AM
    circuit, great, problem, shuts, vfd
    • Replies: 12
    • Views: 302
    04-12-2021, 09:19 PM Go to last post
  4. 3 phase wiring question

    Started by henrylr, 04-11-2021 10:17 PM
    2 Pages
    1 2
    cable, connected, end, phase, wires
    • Replies: 28
    • Views: 787
    04-12-2021, 08:44 PM Go to last post
  5. Phase rotation meter what's the purpose

    Started by bob, 04-09-2021 08:42 PM
    2 Pages
    1 2
    • Replies: 23
    • Views: 742
    04-12-2021, 05:53 PM Go to last post
  6. Haas-Kamp on Dimension 452

    Started by erikg, 03-24-2014 09:12 AM
    • Replies: 6
    • Views: 3,470
    04-12-2021, 02:56 PM Go to last post
  7. burned up motor in older ENCO mill

    Started by Flanders, 04-12-2021 12:00 PM
    • Replies: 0
    • Views: 89
    04-12-2021, 12:00 PM Go to last post
  8. RPC + 3-phase transformer

    Started by specfab, 04-11-2021 10:57 AM
    3-phase, converter, legs, power, tree
    • Replies: 2
    • Views: 141
    04-11-2021, 04:29 PM Go to last post
    • Replies: 32
    • Views: 1,418
    04-10-2021, 09:03 PM Go to last post
  9. Specific VFD questions

    Started by Sdhorton, 04-08-2021 10:31 AM
    needed, size, specific, system, vfd
    • Replies: 11
    • Views: 287
    04-10-2021, 02:28 PM Go to last post
  10. 50 HP rotary, "To pony or not to Pony ?" That........

    Started by madmachinst, 04-01-2021 07:10 PM
    2 Pages
    1 2
    • Replies: 22
    • Views: 1,032
    04-09-2021, 11:12 AM Go to last post
    • Replies: 24
    • Views: 618
    04-07-2021, 10:40 PM Go to last post
    • Replies: 2
    • Views: 243
    04-07-2021, 08:45 AM Go to last post
  11. Elliot Progress 5E drill press conversion

    Started by Al King, 04-04-2021 07:25 PM
    drill, elliot, press, vfd
    • Replies: 2
    • Views: 228
    04-07-2021, 03:52 AM Go to last post
  12. wiring up a 3 phase 2 speed motor

    Started by mdr93906, 03-19-2021 12:56 PM
    • Replies: 14
    • Views: 737
    04-06-2021, 11:26 AM Go to last post
  13. Phase imbalance from power company

    Started by Strostkovy, 03-31-2021 06:31 PM
    3 Pages
    1 2 3
    current, imbalance, loaded, phase, power
    • Replies: 46
    • Views: 2,013
    04-04-2021, 10:25 AM Go to last post
    • Replies: 10
    • Views: 470
    04-04-2021, 09:26 AM Go to last post
  14. 3 phase soft start application

    Started by cg285, 02-13-2020 11:03 AM
    10 Pages
    1 2 3 ... 10
    • Replies: 186
    • Views: 10,802
    04-02-2021, 03:04 PM Go to last post
    • Replies: 18
    • Views: 764
    04-01-2021, 08:29 PM Go to last post
  15. 7.5 HP 3 phase rotary pass converter

    Started by Tony Quiring, 03-28-2021 06:27 PM
    rotary, phase, vfd, static, converter
    • Replies: 9
    • Views: 409
    04-01-2021, 04:39 PM Go to last post
    • Replies: 12
    • Views: 663
    04-01-2021, 04:30 PM Go to last post
  16. "E-Stop"

    Started by Cyclotronguy, 03-30-2021 09:54 AM
    contact, e-stop, pole, switch, switches
    • Replies: 11
    • Views: 717
    03-31-2021, 03:47 PM Go to last post
  17. Phase A Matic quit

    Started by Fred V, 03-11-2021 12:57 PM
    • Replies: 14
    • Views: 760
    03-30-2021, 10:38 AM Go to last post
  18. Transformer question

    Started by Peter from Holland, 03-28-2021 05:41 AM
    220volts, band, side, transformer, volts
    • Replies: 11
    • Views: 444
    03-30-2021, 10:24 AM Go to last post
  19. Harrison M300 Issues? Fuse Size?

    Started by spitfire_er, 03-23-2021 10:51 PM
    • Replies: 7
    • Views: 466
    03-29-2021, 08:52 PM Go to last post
  20. 220v single phase wiring forward/reverse switch

    Started by gauder, 06-02-2017 05:51 PM
    • Replies: 6
    • Views: 13,778
    03-29-2021, 09:53 AM Go to last post
  21. SAG 12 VFD Conversion

    Started by Dinky O'Sullivan, 03-19-2021 05:15 PM
    • Replies: 1
    • Views: 228
    03-26-2021, 06:37 PM Go to last post
  22. Where to wire the VFD

    Started by Dinky O'Sullivan, 03-10-2021 12:33 PM
    2 Pages
    1 2
    phase, sag12, vfd, vfd placement
    • Replies: 22
    • Views: 1,136
    03-24-2021, 11:57 PM Go to last post
  23. Czerweny belt sander. Wiring question

    Started by kielbasavw, 12-22-2015 03:31 AM
    • Replies: 10
    • Views: 2,328
    03-24-2021, 10:16 AM Go to last post
  24. RPC phase loss protection

    Started by Hobby Shop, 02-21-2020 09:42 AM
    disconnect, idler, motor, phase, power
    • Replies: 16
    • Views: 2,073
    03-21-2021, 02:05 PM Go to last post
  25. RPC and Transformer

    Started by weedy64, 03-13-2021 03:33 PM
    570v, result, rpc, tap, transformer
    • Replies: 4
    • Views: 413
    03-20-2021, 05:13 PM Go to last post
    • Replies: 15
    • Views: 11,881
    03-20-2021, 12:18 AM Go to last post
  26. Can a 55kW VFD Replace a 8kW RPC

    Started by Jim Kennedy, 03-17-2021 05:49 AM
    30kw, 55kw, commander, vfd, vfds
    • Replies: 9
    • Views: 506
    03-18-2021, 05:36 PM Go to last post
    • Replies: 19
    • Views: 908
    03-17-2021, 10:36 AM Go to last post
  27. Can I run two motors off one VFD?

    Started by bll230, 03-06-2021 12:49 AM
    require, rpm, run, vfd, vfds
    • Replies: 14
    • Views: 951
    03-15-2021, 02:23 AM Go to last post
  28. 3 wire control for Fuji VFD question

    Started by Chuck Evans, 06-10-2009 01:58 PM
    • Replies: 10
    • Views: 9,770
    03-14-2021, 12:31 AM Go to last post
    • Replies: 7
    • Views: 468
    03-12-2021, 08:34 PM Go to last post
    • Replies: 5
    • Views: 312
    03-12-2021, 12:45 AM Go to last post
    • Replies: 10
    • Views: 631
    03-10-2021, 02:18 PM Go to last post
    • Replies: 6
    • Views: 492
    03-10-2021, 11:43 AM Go to last post

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