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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: 192
    • Views: 415,032
    06-07-2020, 09:10 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: 1,729
    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: 13,868
    08-02-2017, 04:05 PM Go to last post
    • Replies: 0
    • Views: 8,485
    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: 12,511
    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: 20,600
    02-23-2013, 09:31 AM Go to last post
  1. Capacitors in series and or in parallel

    Started by Krankieone, 10-16-2020 08:35 PM
    50uf, capacitors, parallel, school, series
    • Replies: 7
    • Views: 359
    10-21-2020, 05:29 PM Go to last post
  2. VFD Installation considerations

    Started by rabler, 10-21-2020 02:32 PM
    • Replies: 3
    • Views: 104
    10-21-2020, 03:55 PM Go to last post
    • Replies: 21
    • Views: 1,592
    10-21-2020, 01:06 PM Go to last post
  3. DRO killing - Phase converter

    Started by zebbguy, 10-20-2020 03:56 PM
    converter, dro, fine, lathe, phase
    • Replies: 8
    • Views: 312
    10-21-2020, 10:43 AM Go to last post
    • Replies: 4
    • Views: 282
    10-21-2020, 09:30 AM Go to last post
  4. Leaking electricity from transformers.

    Started by e723, 10-19-2020 08:59 PM
    120v, bill, coming, machines, shop
    • Replies: 17
    • Views: 963
    10-21-2020, 12:30 AM Go to last post
  5. Chinese scroll air compressor

    Started by mtadamek, 10-19-2020 02:48 PM
    440vac, air, scroll, set, transformer
    • Replies: 7
    • Views: 364
    10-20-2020, 08:16 PM Go to last post
  6. Controlling VFD's with your PC?

    Started by Sean S, 02-06-2002 05:02 PM
    • Replies: 11
    • Views: 5,187
    10-19-2020, 10:54 PM Go to last post
  7. M Head - VFD - Normand Electrical Co.

    Started by henhen, 10-16-2020 11:36 AM
    colours, head, motor, vfd, wires
    • Replies: 8
    • Views: 499
    10-19-2020, 10:47 PM Go to last post
  8. Georgii Kobold AC motor switch

    Started by Scra99tch, 10-18-2020 09:05 PM
    • Replies: 1
    • Views: 135
    10-19-2020, 06:01 AM Go to last post
  9. Magnetic Motor Starter Trouble

    Started by CutterComp, 10-03-2020 11:13 PM
    compressor, contacts, mag, starter, unit
    • Replies: 14
    • Views: 830
    10-18-2020, 11:11 PM Go to last post
    • Replies: 5
    • Views: 552
    10-17-2020, 02:25 AM Go to last post
  10. Genset, most reliable and efficient brand and models?

    Started by Spud, 10-14-2020 09:45 PM
    airman, brand, consensus, cummins, phase
    • Replies: 11
    • Views: 711
    10-16-2020, 12:10 PM Go to last post
  11. Changing welder capacitors

    Started by Hobby Shop, 09-29-2020 12:41 PM
    • Replies: 13
    • Views: 842
    10-16-2020, 10:12 AM Go to last post
  12. RPC- ratings for contactor control switches

    Started by Krankieone, 09-28-2020 05:57 AM
    240v, contactor, control, switches, time
    • Replies: 14
    • Views: 822
    10-16-2020, 08:27 AM Go to last post
    • Replies: 1
    • Views: 157
    10-16-2020, 03:27 AM Go to last post
  13. Motor and VFD recommendation

    Started by MachineNewfie, 10-13-2020 01:38 PM
    flexible, lathe, motor, phase, vfd
    • Replies: 12
    • Views: 667
    10-15-2020, 06:07 PM Go to last post
  14. rotary phase converter for cnc lathe

    Started by coyote06, 10-13-2020 10:18 PM
    cnc, lathe, phase, rotary, single
    • Replies: 2
    • Views: 224
    10-15-2020, 05:46 PM Go to last post
  15. Odd currents using American Rotary AD

    Started by rke[pler, 10-05-2020 04:00 PM
    current, heaters, rotary, spindle, transformer
    • Replies: 16
    • Views: 807
    10-14-2020, 06:15 PM Go to last post
  16. Buck Down Xfmr Help

    Started by Bulltrout, 10-10-2020 12:41 AM
    info, kva, machine, max, size
    • Replies: 1
    • Views: 265
    10-12-2020, 09:00 AM Go to last post
  17. Motor Information

    Started by MachineNewfie, 10-09-2020 05:07 PM
    • Replies: 1
    • Views: 228
    10-09-2020, 09:27 PM Go to last post
  18. Question VFD causes motor stall under load

    Started by jessevdz, 10-02-2020 02:43 AM
    current, material, motor, shredder, vfd
    • Replies: 6
    • Views: 564
    10-08-2020, 09:46 AM Go to last post
  19. DC Motor wiring query.

    Started by redlee, 10-06-2020 05:42 PM
    • Replies: 5
    • Views: 433
    10-07-2020, 08:54 AM Go to last post
  20. Can anyone help me find a cover for an old enclosure?

    Started by DocsMachine, 10-01-2020 08:56 PM
    2 Pages
    1 2
    • Replies: 27
    • Views: 1,409
    10-06-2020, 04:55 PM Go to last post
    • Replies: 6
    • Views: 401
    10-06-2020, 01:19 PM Go to last post
  21. 3 phase trans onsingle phase?

    Started by bob, 10-04-2020 10:05 AM
    bob, phase, single, wired, work
    • Replies: 5
    • Views: 429
    10-06-2020, 10:07 AM Go to last post
  22. Help in Finding Value

    Started by MELand, 10-04-2020 09:05 PM
    3phase, arco, give, price, wanting
    • Replies: 1
    • Views: 248
    10-04-2020, 09:51 PM Go to last post
  23. Old single phase 1hp GE motor wiring help

    Started by Tscjcampbell, 10-04-2020 12:19 PM
    • Replies: 0
    • Views: 202
    10-04-2020, 12:19 PM Go to last post
    • Replies: 10
    • Views: 531
    10-04-2020, 09:55 AM Go to last post
  24. 265v motor on 240v vfd?

    Started by Fredson, 04-18-2020 06:34 PM
    240v, 250v, 265v, delta, vfd
    • Replies: 6
    • Views: 1,016
    10-04-2020, 12:32 AM Go to last post
  25. ITE Contactor help?

    Started by jerrdan john, 02-23-2015 12:22 PM
    • Replies: 12
    • Views: 6,781
    10-04-2020, 12:01 AM Go to last post
    • Replies: 3
    • Views: 671
    10-03-2020, 11:40 PM Go to last post
  26. OT Panel/Circuit Breaker Board Selection Help Needed

    Started by dalmatiangirl61, 09-21-2020 03:01 PM
    2 Pages
    1 2
    • Replies: 33
    • Views: 1,608
    10-01-2020, 06:16 AM Go to last post
    • Replies: 2
    • Views: 300
    09-30-2020, 04:25 PM Go to last post
  27. Before I pull the trigger (Teco VFD)

    Started by agshooter, 09-22-2020 03:17 PM
    amp, lathe, set, vfd, vfds
    • Replies: 19
    • Views: 1,057
    09-29-2020, 07:45 AM Go to last post
  28. Rockwell Carbide grinder voltage mystery

    Started by M. Moore, 09-26-2020 09:29 PM
    • Replies: 9
    • Views: 536
    09-28-2020, 08:20 PM Go to last post
    • Replies: 4
    • Views: 427
    09-28-2020, 04:25 PM Go to last post
  29. Please recommend a good 240 3phase vfd

    Started by marc1968, 09-25-2020 04:08 PM
    building, input, phase, power, vfd
    • Replies: 1
    • Views: 324
    09-25-2020, 04:24 PM Go to last post
    • Replies: 7
    • Views: 417
    09-25-2020, 04:21 PM Go to last post
    • Replies: 14
    • Views: 484
    09-25-2020, 10:33 AM Go to last post

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