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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: 414,845
    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: 1,721
    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: 13,848
    08-02-2017, 04:05 PM Go to last post
    • Replies: 0
    • Views: 8,479
    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: 12,503
    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: 20,595
    02-23-2013, 09:31 AM Go to last post
  1. Chinese scroll air compressor

    Started by mtadamek, 10-19-2020 02:48 PM
    440vac, air, scroll, set, transformer
    • Replies: 5
    • Views: 203
    10-19-2020, 10:54 PM Go to last post
  2. Controlling VFD's with your PC?

    Started by Sean S, 02-06-2002 05:02 PM
    • Replies: 11
    • Views: 5,116
    10-19-2020, 10:54 PM Go to last post
  3. M Head - VFD - Normand Electrical Co.

    Started by henhen, 10-16-2020 11:36 AM
    colours, head, motor, vfd, wires
    • Replies: 8
    • Views: 442
    10-19-2020, 10:47 PM Go to last post
  4. Georgii Kobold AC motor switch

    Started by Scra99tch, 10-18-2020 09:05 PM
    • Replies: 1
    • Views: 115
    10-19-2020, 06:01 AM Go to last post
  5. Magnetic Motor Starter Trouble

    Started by CutterComp, 10-03-2020 11:13 PM
    compressor, contacts, mag, starter, unit
    • Replies: 14
    • Views: 795
    10-18-2020, 11:11 PM Go to last post
  6. Capacitors in series and or in parallel

    Started by Krankieone, 10-16-2020 08:35 PM
    50uf, capacitors, parallel, school, series
    • Replies: 4
    • Views: 270
    10-17-2020, 08:36 AM Go to last post
    • Replies: 5
    • Views: 531
    10-17-2020, 02:25 AM Go to last post
  7. 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: 694
    10-16-2020, 12:10 PM Go to last post
  8. Changing welder capacitors

    Started by Hobby Shop, 09-29-2020 12:41 PM
    • Replies: 13
    • Views: 818
    10-16-2020, 10:12 AM Go to last post
  9. RPC- ratings for contactor control switches

    Started by Krankieone, 09-28-2020 05:57 AM
    240v, contactor, control, switches, time
    • Replies: 14
    • Views: 806
    10-16-2020, 08:27 AM Go to last post
    • Replies: 1
    • Views: 149
    10-16-2020, 03:27 AM Go to last post
  10. Motor and VFD recommendation

    Started by MachineNewfie, 10-13-2020 01:38 PM
    flexible, lathe, motor, phase, vfd
    • Replies: 12
    • Views: 637
    10-15-2020, 06:07 PM Go to last post
  11. rotary phase converter for cnc lathe

    Started by coyote06, 10-13-2020 10:18 PM
    cnc, lathe, phase, rotary, single
    • Replies: 2
    • Views: 212
    10-15-2020, 05:46 PM Go to last post
  12. Odd currents using American Rotary AD

    Started by rke[pler, 10-05-2020 04:00 PM
    current, heaters, rotary, spindle, transformer
    • Replies: 16
    • Views: 785
    10-14-2020, 06:15 PM Go to last post
  13. Buck Down Xfmr Help

    Started by Bulltrout, 10-10-2020 12:41 AM
    info, kva, machine, max, size
    • Replies: 1
    • Views: 254
    10-12-2020, 09:00 AM Go to last post
  14. Motor Information

    Started by MachineNewfie, 10-09-2020 05:07 PM
    • Replies: 1
    • Views: 221
    10-09-2020, 09:27 PM Go to last post
  15. Question VFD causes motor stall under load

    Started by jessevdz, 10-02-2020 02:43 AM
    current, material, motor, shredder, vfd
    • Replies: 6
    • Views: 529
    10-08-2020, 09:46 AM Go to last post
  16. DC Motor wiring query.

    Started by redlee, 10-06-2020 05:42 PM
    • Replies: 5
    • Views: 425
    10-07-2020, 08:54 AM Go to last post
  17. 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: 1,390
    10-06-2020, 04:55 PM Go to last post
    • Replies: 6
    • Views: 382
    10-06-2020, 01:19 PM Go to last post
  18. 3 phase trans onsingle phase?

    Started by bob, 10-04-2020 10:05 AM
    bob, phase, single, wired, work
    • Replies: 5
    • Views: 421
    10-06-2020, 10:07 AM Go to last post
  19. Help in Finding Value

    Started by MELand, 10-04-2020 09:05 PM
    3phase, arco, give, price, wanting
    • Replies: 1
    • Views: 239
    10-04-2020, 09:51 PM Go to last post
  20. Old single phase 1hp GE motor wiring help

    Started by Tscjcampbell, 10-04-2020 12:19 PM
    • Replies: 0
    • Views: 194
    10-04-2020, 12:19 PM Go to last post
    • Replies: 10
    • Views: 521
    10-04-2020, 09:55 AM Go to last post
  21. 265v motor on 240v vfd?

    Started by Fredson, 04-18-2020 06:34 PM
    240v, 250v, 265v, delta, vfd
    • Replies: 6
    • Views: 1,003
    10-04-2020, 12:32 AM Go to last post
  22. ITE Contactor help?

    Started by jerrdan john, 02-23-2015 12:22 PM
    • Replies: 12
    • Views: 6,760
    10-04-2020, 12:01 AM Go to last post
    • Replies: 3
    • Views: 661
    10-03-2020, 11:40 PM Go to last post
  23. OT Panel/Circuit Breaker Board Selection Help Needed

    Started by dalmatiangirl61, 09-21-2020 03:01 PM
    2 Pages
    1 2
    • Replies: 33
    • Views: 1,582
    10-01-2020, 06:16 AM Go to last post
    • Replies: 2
    • Views: 295
    09-30-2020, 04:25 PM Go to last post
  24. Before I pull the trigger (Teco VFD)

    Started by agshooter, 09-22-2020 03:17 PM
    amp, lathe, set, vfd, vfds
    • Replies: 19
    • Views: 1,041
    09-29-2020, 07:45 AM Go to last post
  25. Rockwell Carbide grinder voltage mystery

    Started by M. Moore, 09-26-2020 09:29 PM
    • Replies: 9
    • Views: 528
    09-28-2020, 08:20 PM Go to last post
    • Replies: 4
    • Views: 419
    09-28-2020, 04:25 PM Go to last post
    • Replies: 20
    • Views: 1,541
    09-28-2020, 09:30 AM Go to last post
  26. Please recommend a good 240 3phase vfd

    Started by marc1968, 09-25-2020 04:08 PM
    building, input, phase, power, vfd
    • Replies: 1
    • Views: 318
    09-25-2020, 04:24 PM Go to last post
    • Replies: 7
    • Views: 411
    09-25-2020, 04:21 PM Go to last post
    • Replies: 14
    • Views: 470
    09-25-2020, 10:33 AM Go to last post
  27. Another Question about Single Phase motors?

    Started by Sweet Dreamer, 09-20-2020 04:00 PM
    2 Pages
    1 2
    • Replies: 31
    • Views: 1,585
    09-25-2020, 09:10 AM Go to last post
    • Replies: 15
    • Views: 956
    09-22-2020, 09:46 AM Go to last post
  28. Using dc capacitors in an ac circuit

    Started by Bob-J-H, 09-07-2020 02:43 PM
    back, caps, circuit, lot, talking
    • Replies: 15
    • Views: 1,003
    09-22-2020, 09:34 AM Go to last post
  29. Question on VFDs and Motor Horsepower

    Started by Sweet Dreamer, 09-10-2020 07:01 PM
    lathe, motor, question, running, vfd
    • Replies: 14
    • Views: 925
    09-22-2020, 09:26 AM Go to last post

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