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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: 435,189
    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: 3,428
    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: 17,587
    08-02-2017, 04:05 PM Go to last post
    • Replies: 0
    • Views: 10,214
    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: 14,273
    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: 22,364
    02-23-2013, 10:31 AM Go to last post
  1. KB VFD with "SC" fault

    Started by Veteran Bicycle, 09-11-2021 06:19 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 929
    09-17-2021, 02:13 PM Go to last post
    • Replies: 23
    • Views: 1,233
    09-16-2021, 04:42 PM Go to last post
  2. Us motors

    Started by Benjie, 08-16-2021 04:04 PM
    converter, info, i’m, motors, phase
    • Replies: 15
    • Views: 912
    09-16-2021, 03:36 PM Go to last post
  3. Weiler matador transformer

    Started by ulquiorra, 06-12-2021 07:50 AM
    3 Pages
    1 2 3
    • Replies: 46
    • Views: 2,880
    09-16-2021, 01:41 PM Go to last post
  4. Dynamic Braking for Induction Motor

    Started by markz528, 09-10-2021 02:44 PM
    braking, capacitors, dynamic, induction, motor
    • Replies: 9
    • Views: 628
    09-15-2021, 10:22 PM Go to last post
  5. Using a VFD to power a cnc mill?

    Started by MacroPc, 09-10-2021 10:15 AM
    machine, phase, power, vfd, work
    • Replies: 9
    • Views: 648
    09-15-2021, 02:39 PM Go to last post
  6. 480v stepup to grive mill.

    Started by tnrcboatracer, 09-12-2021 07:41 AM
    460v, 3ph, vfd, mill, shop
    • Replies: 1
    • Views: 280
    09-14-2021, 08:32 AM Go to last post
  7. Motor overheat question

    Started by bob, 08-29-2021 12:15 PM
    • Replies: 13
    • Views: 1,061
    09-10-2021, 02:07 PM Go to last post
  8. HELP: 115v Motor Wiring to Switch & Cord

    Started by holtzapffelFan, 09-03-2021 08:32 PM
    2 Pages
    1 2
    • Replies: 27
    • Views: 1,121
    09-09-2021, 07:41 PM Go to last post
  9. Selling a Phase Technology DPC 20

    Started by Gackman, 12-13-2019 10:54 AM
    delta/wye, dpc, leg, longer, transformer
    • Replies: 8
    • Views: 1,911
    09-08-2021, 08:37 AM Go to last post
  10. reversing direction on Wagner 220V 1 Ø

    Started by indychuck, 08-31-2021 06:43 PM
    • Replies: 7
    • Views: 621
    09-06-2021, 04:25 PM Go to last post
  11. Anyone using the newest model of Phase Perfects?

    Started by SND, 08-19-2021 06:32 AM
    2 Pages
    1 2
    • Replies: 20
    • Views: 1,663
    09-06-2021, 05:22 AM Go to last post
  12. Input for 40HP RPC?

    Started by SND, 09-03-2021 07:50 AM
    1ph, 40hp, cnc, pt-355, rpc
    • Replies: 4
    • Views: 342
    09-04-2021, 04:14 PM Go to last post
  13. Hitachi VFD for small 3ph motor

    Started by BHolcombe, 09-04-2021 08:05 AM
    3ph, control, machine, small, vfd
    • Replies: 4
    • Views: 267
    09-04-2021, 03:28 PM Go to last post
  14. Y start Delta run starter wiring

    Started by Able Trade, 08-25-2021 03:13 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 1,332
    09-03-2021, 11:34 AM Go to last post
  15. any one in need of a GE 9T51B8 Transformer

    Started by 1yesca, 09-03-2021 10:51 AM
    • Replies: 0
    • Views: 278
    09-03-2021, 10:51 AM Go to last post
  16. DC Drives, Single Phase and 3ph input, RPC

    Started by rpseguin, 09-02-2021 04:47 PM
    input, sabina, drives, drive, systems
    • Replies: 7
    • Views: 544
    09-03-2021, 12:41 AM Go to last post
  17. Tying multiple wires together instead of a single large conductor..?

    Started by 52 Ford, 08-29-2021 11:55 PM
    3 Pages
    1 2 3
    awg, cord, conductors, single, wires
    • Replies: 46
    • Views: 2,703
    09-01-2021, 09:54 PM Go to last post
  18. Working on window AC unit. Capacitor question.

    Started by JoeE., 08-29-2021 08:44 PM
    compressor, fan, heat, running, unit
    • Replies: 5
    • Views: 670
    08-31-2021, 10:20 AM Go to last post
    • Replies: 7
    • Views: 575
    08-30-2021, 01:22 PM Go to last post
  19. Load off panel without breaker?

    Started by lucky7, 08-21-2021 09:09 AM
    2 Pages
    1 2
    breaker, guy, legal, load, panel
    • Replies: 23
    • Views: 1,200
    08-30-2021, 10:03 AM Go to last post
  20. Machine power switch wont stay on

    Started by SwedishMachinist, 08-25-2021 10:56 AM
    • Replies: 7
    • Views: 570
    08-27-2021, 03:25 AM Go to last post
  21. Bit off topic electronis help

    Started by Froneck, 08-20-2021 08:18 PM
    • Replies: 18
    • Views: 959
    08-26-2021, 11:58 AM Go to last post
  22. 575v Transformer vs 3 phase line reactor?

    Started by amoniave, 08-19-2021 01:36 PM
    575v, amp, line, phase, transformer
    • Replies: 7
    • Views: 567
    08-25-2021, 09:25 PM Go to last post
    • Replies: 1
    • Views: 247
    08-25-2021, 08:19 PM Go to last post
  23. .25 mfd capacitor

    Started by rj1939, 08-19-2021 09:45 PM
    2 Pages
    1 2
    • Replies: 23
    • Views: 1,586
    08-24-2021, 12:51 AM Go to last post
  24. extension cord trips out GFCI but, only under load

    Started by Bill D, 08-18-2021 03:38 PM
    bad, cord, draw, gfci, load
    • Replies: 13
    • Views: 1,039
    08-20-2021, 08:49 PM Go to last post
    • Replies: 23
    • Views: 1,427
    08-20-2021, 01:08 PM Go to last post
    • Replies: 4
    • Views: 457
    08-20-2021, 10:26 AM Go to last post
  25. A large 240v 11kW RPC Idler for Australia.

    Started by Jim Kennedy, 08-20-2021 04:31 AM
    240v, connect, jim, price, transformer
    • Replies: 0
    • Views: 260
    08-20-2021, 04:31 AM Go to last post
  26. 575v 1/2hp to 380v? (wye to Delta)

    Started by amoniave, 08-16-2021 10:47 AM
    • Replies: 7
    • Views: 529
    08-19-2021, 09:39 AM Go to last post
  27. South bend G26t lathe electrical diagram

    Started by Kendygeo, 08-11-2021 08:04 AM
    • Replies: 2
    • Views: 370
    08-18-2021, 09:01 PM Go to last post
  28. Magnetek GPD 515 running wrong direction?

    Started by catch22, 08-18-2021 02:43 PM
    direction, gpd, runs, vfd, wrong
    • Replies: 2
    • Views: 302
    08-18-2021, 05:33 PM Go to last post
  29. Tying 2 plugs together on generator.

    Started by Portable Welder, 08-16-2021 03:20 PM
    amp, amps, plugs, run, tig
    • Replies: 9
    • Views: 1,044
    08-18-2021, 07:53 AM Go to last post
  30. Is there a small three phase sub panel made?

    Started by Trboatworks, 08-16-2021 01:40 PM
    ideals, panel, phase, pick, small
    • Replies: 8
    • Views: 555
    08-18-2021, 07:37 AM Go to last post
  31. VFD to feed a 3-phase isolation transformer(?)

    Started by specfab, 08-15-2021 07:20 PM
    10hp, converter, phase, tree, vfd
    • Replies: 16
    • Views: 827
    08-18-2021, 06:59 AM Go to last post
  32. VFD with Phase Converter

    Started by Fred P, 08-16-2021 08:16 PM
    converter, phase, power, rota, vfd
    • Replies: 8
    • Views: 761
    08-17-2021, 02:36 PM Go to last post
  33. 1hp VFD for a 1.5hp motor?

    Started by dmbaile2, 10-23-2015 07:54 PM
    draw, motor, rated, rpm, vfd
    • Replies: 17
    • Views: 8,285
    08-16-2021, 08:47 AM Go to last post
  34. Moved: fs static 3 phase converter and dc motor drive

    Started by 1yesca, 08-13-2021 01:54 PM
    •  
    •  
  35. Drive Information or ID needed.

    Started by Muskiehunter, 08-04-2021 12:13 PM
    • Replies: 3
    • Views: 464
    08-13-2021, 01:53 PM Go to last post

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