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Forum: Transformers, Phase Converters and VFD

Machine voltage issues, three phase via single phase power, and variable frequency drives discussion

    • Replies: 0
    • Views: 683
    04-03-2017, 12:11 PM Go to last post
  1. Sticky Thread Sticky: Rotary Phase Converter Designs and Plans

    Started by Milacron, 09-20-2006 11:46 PM
    9 Pages
    1 2 3 ... 9
    • Replies: 166
    • Views: 297,036
    01-14-2017, 11:18 AM Go to last post
  2. Sticky Thread Sticky: Please keep threads to one subject as much as possible

    Started by JST, 01-09-2016 11:09 PM
    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: 4,686
    01-09-2016, 11:09 PM Go to last post
  3. Sticky Thread Sticky: A reminder.... please make your thread title meaningful

    Started by JST, 02-23-2013 08:31 AM
    • Replies: 0
    • Views: 11,951
    02-23-2013, 08:31 AM Go to last post
  1. Can someone identify this screw terminal connector?

    Started by mwr, 05-20-2017 12:52 AM
    • Replies: 12
    • Views: 856
    05-25-2017, 09:37 AM Go to last post
  2. Fried my VFD. What did I do wrong??

    Started by whattheheld, 05-18-2017 11:44 AM
    2 Pages
    1 2
    safety, single phase, switch, vfd
    • Replies: 21
    • Views: 1,376
    05-25-2017, 09:29 AM Go to last post
    • Replies: 12
    • Views: 415
    05-23-2017, 03:29 PM Go to last post
  3. Running a single phase motor on VFD

    Started by dloc, 07-03-2002 10:27 PM
    • Replies: 15
    • Views: 18,427
    05-23-2017, 03:10 PM Go to last post
    • Replies: 13
    • Views: 374
    05-23-2017, 12:17 PM Go to last post
    • Replies: 2
    • Views: 232
    05-22-2017, 04:38 AM Go to last post
  4. Two Idlers, Star/Delta

    Started by Hopefuldave, 05-16-2017 03:01 AM
    2 Pages
    1 2
    assumption, big, motors, problems, version
    • Replies: 25
    • Views: 728
    05-21-2017, 02:38 AM Go to last post
  5. What size fuse's?

    Started by Old Iron, 04-08-2008 10:25 PM
    • Replies: 12
    • Views: 4,138
    05-20-2017, 04:34 PM Go to last post
  6. Vfd size

    Started by converterking, 05-20-2017 11:04 AM
    $744, horsepower, phase, rampdown, vfd
    • Replies: 2
    • Views: 225
    05-20-2017, 02:46 PM Go to last post
  7. Haas Kamp conversion Lincoln CV300

    Started by Family_van, 05-10-2017 11:39 AM
    • Replies: 9
    • Views: 411
    05-18-2017, 08:13 PM Go to last post
  8. VFD wired in, reading 30v to ground

    Started by leeko, 04-05-2017 05:36 PM
    vfd, wiring, motor, reading, machine
    • Replies: 10
    • Views: 760
    05-17-2017, 08:01 PM Go to last post
  9. Open Delta transformer wiring

    Started by beckerkumm, 04-29-2017 08:30 PM
    4 Pages
    1 2 3 ... 4
    • Replies: 75
    • Views: 2,261
    05-17-2017, 02:32 PM Go to last post
  10. Powering 380v lathe via RPC

    Started by jpevner, 05-12-2017 02:31 PM
    380v, lathe, motor, transformer, wye
    • Replies: 4
    • Views: 274
    05-16-2017, 06:20 PM Go to last post
  11. Puzzling Phase Perfect, Martin issue

    Started by RickFisher, 05-12-2017 10:06 PM
    martin, phase, planer, slider, trip
    • Replies: 16
    • Views: 752
    05-16-2017, 09:01 AM Go to last post
  12. Contactor Not Staying Closed?

    Started by mesa, 05-14-2017 08:40 PM
    brake, closed, contactor, control, motor
    • Replies: 11
    • Views: 439
    05-15-2017, 09:42 PM Go to last post
  13. OT (semi) - can 240v single phase outlets be daisy chained?

    Started by awake, 05-06-2017 08:01 PM
    4 Pages
    1 2 3 ... 4
    daisy, socket, 240v, single, sm-t230nu
    • Replies: 63
    • Views: 2,589
    05-13-2017, 11:23 PM Go to last post
    • Replies: 0
    • Views: 218
    05-13-2017, 09:48 AM Go to last post
  14. Lincoln DC 400 3 phase conversion

    Started by Brian 315, 01-08-2016 04:17 PM
    • Replies: 2
    • Views: 945
    05-13-2017, 06:44 AM Go to last post
  15. 240 to 480 step up transformer questions

    Started by Albert Hofmann, 05-06-2017 02:59 PM
    delta, machines, transformer, ungrounded, vfds
    • Replies: 11
    • Views: 680
    05-13-2017, 01:07 AM Go to last post
    • Replies: 0
    • Views: 215
    05-12-2017, 09:41 PM Go to last post
    • Replies: 1
    • Views: 156
    05-12-2017, 04:01 PM Go to last post
  16. Energy use of Phase Perfect versus Rotary Phase Converter

    Started by Johnny SolidWorks, 05-08-2017 07:59 AM
    3 Pages
    1 2 3
    • Replies: 40
    • Views: 1,552
    05-12-2017, 12:38 PM Go to last post
    • Replies: 37
    • Views: 1,040
    05-08-2017, 07:51 PM Go to last post
  17. Need help wiring

    Started by Hersh12307, 05-07-2017 03:51 PM
    • Replies: 3
    • Views: 437
    05-08-2017, 07:45 PM Go to last post
    • Replies: 17
    • Views: 9,873
    05-08-2017, 09:40 AM Go to last post
    • Replies: 16
    • Views: 752
    05-07-2017, 03:42 PM Go to last post
  18. VFD and pressure switch

    Started by cmainer, 04-22-2017 03:13 AM
    3 Pages
    1 2 3
    connections, input, pressure, switch, vfd
    • Replies: 44
    • Views: 1,451
    05-07-2017, 01:29 AM Go to last post
  19. Need help with idler motor (wiring)

    Started by ajk2004, 04-25-2017 01:13 PM
    • Replies: 12
    • Views: 594
    05-06-2017, 09:55 PM Go to last post
  20. Determining the direction a motor will spin

    Started by beansdiesel, 04-19-2017 03:54 PM
    5 Pages
    1 2 3 ... 5
    • Replies: 80
    • Views: 3,129
    05-05-2017, 08:49 PM Go to last post
  21. What do I need to power a few three phase machines? RPC Questions

    Started by ajk2004, 04-19-2017 12:19 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 1,251
    05-05-2017, 02:04 PM Go to last post
    • Replies: 29
    • Views: 1,085
    05-05-2017, 07:04 AM Go to last post
  22. VFD as single to 3 phase converter

    Started by Kbracing96, 11-08-2016 08:48 AM
    lathe, motor, phase, single, vfd
    • Replies: 13
    • Views: 1,548
    05-03-2017, 07:28 PM Go to last post
  23. Hitachi VFD for my South Bend 16?

    Started by Plant machinist, 05-02-2017 12:14 PM
    bend, field, hitachi, model, south
    • Replies: 10
    • Views: 446
    05-03-2017, 12:06 PM Go to last post
  24. Need help w/ 3ph in home shop! Hyundai HiT18s

    Started by Joesnow, 05-02-2017 07:33 PM
    3 phase, business, hit18s, phase, vfd
    • Replies: 4
    • Views: 274
    05-03-2017, 09:28 AM Go to last post
    • Replies: 18
    • Views: 626
    05-03-2017, 12:18 AM Go to last post
  25. Start capacitor blew on new a/c motor after second use. What is fix?

    Started by Gunny65, 05-01-2017 12:07 PM
    2 Pages
    1 2
    cap, capacitor, motor, start, started
    • Replies: 21
    • Views: 686
    05-02-2017, 06:37 PM Go to last post
  26. 3 phase install residential Q's? UK

    Started by K Battenbough, 06-02-2010 09:18 PM
    2 Pages
    1 2
    • Replies: 25
    • Views: 10,228
    05-02-2017, 01:40 PM Go to last post
  27. VFD on Lathe with Coolant Pump

    Started by mesa, 04-05-2017 08:19 PM
    coolant, lathe, phase, pump, vfd
    • Replies: 8
    • Views: 631
    05-01-2017, 12:30 PM Go to last post
  28. 3hs 2 sp motor

    Started by drylakemachine, 04-30-2017 12:27 AM
    feeding, jim, machine, motor, wires
    • Replies: 2
    • Views: 260
    04-30-2017, 04:26 PM Go to last post
    • Replies: 11
    • Views: 449
    04-28-2017, 05:24 PM Go to last post

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