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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
    9 Pages
    1 2 3 ... 9
    • Replies: 170
    • Views: 315,686
    08-29-2017, 02:47 PM Go to last post
  2. 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: 1,567
    08-02-2017, 04:05 PM Go to last post
    • Replies: 0
    • Views: 2,121
    04-03-2017, 01:11 PM Go to last post
  3. 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: 6,026
    01-10-2016, 12:09 AM Go to last post
  4. Sticky Thread Sticky: A reminder.... please make your thread title meaningful

    Started by JST, 02-23-2013 09:31 AM
    • Replies: 0
    • Views: 13,240
    02-23-2013, 09:31 AM Go to last post
    • Replies: 3
    • Views: 117
    11-23-2017, 06:42 PM Go to last post
  1. 460 volt to 230 volt?

    Started by comp 670, 11-21-2017 10:14 PM
    phase, running, shop, transformer, volt
    • Replies: 3
    • Views: 206
    11-23-2017, 03:08 PM Go to last post
  2. VFD or rotary phase converter

    Started by Primitive56, 11-22-2017 10:06 AM
    • Replies: 13
    • Views: 493
    11-23-2017, 01:12 PM Go to last post
    • Replies: 6
    • Views: 282
    11-22-2017, 04:31 PM Go to last post
  3. Have VFD ratings grown to handle 220V 1ph to 3ph for a 5HP motor?

    Started by Crank, 08-09-2017 10:42 AM
    3 Pages
    1 2 3
    • Replies: 41
    • Views: 1,768
    11-22-2017, 03:02 PM Go to last post
  4. Question on hooking up a VFD

    Started by Domodude17, 11-20-2017 08:12 PM
    marked, motor, phase, terminals, vfd
    • Replies: 4
    • Views: 211
    11-21-2017, 03:52 PM Go to last post
  5. Successful CP-200 Conversions

    Started by smilingjohn, 04-06-2012 09:25 AM
    4 Pages
    1 2 3 ... 4
    • Replies: 75
    • Views: 26,387
    11-19-2017, 06:41 PM Go to last post
  6. 240v rheostat

    Started by Ian117, 11-18-2017 06:14 AM
    110v, 240v, drill, rheostat, works
    • Replies: 12
    • Views: 447
    11-19-2017, 04:03 PM Go to last post
  7. Identify these plugs please

    Started by rustytool, 11-18-2017 02:42 PM
    • Replies: 1
    • Views: 348
    11-18-2017, 04:47 PM Go to last post
  8. Anyone here use a Weg CFW-07 VFD?

    Started by Domodude17, 11-15-2017 02:01 PM
    find, give, motor, online, vfd
    • Replies: 4
    • Views: 260
    11-18-2017, 01:31 PM Go to last post
  9. Rotary phase converter shopping list

    Started by jlmtb1, 10-25-2017 04:02 PM
    2 Pages
    1 2
    • Replies: 30
    • Views: 1,280
    11-17-2017, 10:21 PM Go to last post
  10. Braking HY

    Started by user27, 02-23-2017 04:07 PM
    2 Pages
    1 2
    • Replies: 23
    • Views: 1,662
    11-17-2017, 02:36 AM Go to last post
  11. VFd ~ 2 pole or 4 pole on a 2 speed motor?

    Started by hunt3419, 05-16-2009 03:12 PM
    • Replies: 5
    • Views: 4,470
    11-16-2017, 10:45 AM Go to last post
    • Replies: 3
    • Views: 332
    11-15-2017, 11:07 PM Go to last post
    • Replies: 19
    • Views: 671
    11-14-2017, 08:12 PM Go to last post
  12. Rotary Phase convertor

    Started by praska86, 10-27-2017 05:48 AM
    • Replies: 5
    • Views: 581
    11-12-2017, 11:41 PM Go to last post
  13. Tree 2uvr electrical issues

    Started by Cutterman, 11-11-2017 12:16 PM
    240v, 2uvr, lights, low, tree
    • Replies: 2
    • Views: 190
    11-11-2017, 02:31 PM Go to last post
  14. Electric motor repair book

    Started by rons, 10-30-2017 01:18 AM
    book, electric, motor, repair, rewind
    • Replies: 13
    • Views: 797
    11-10-2017, 10:26 AM Go to last post
  15. 240 Single Phase to 480 Three Phase

    Started by mowgyver, 11-06-2017 06:46 PM
    caps, motor, phase, single, transformer
    • Replies: 14
    • Views: 639
    11-09-2017, 10:18 PM Go to last post
  16. Converting AC voltage to DC voltage?

    Started by gorrilla, 11-08-2017 09:25 AM
    continuous, duty@, figure, motor, voltage
    • Replies: 16
    • Views: 653
    11-09-2017, 04:04 PM Go to last post
  17. Transformer ID

    Started by GRIZZLY1954, 11-09-2017 10:04 AM
    • Replies: 3
    • Views: 213
    11-09-2017, 02:30 PM Go to last post
  18. 5hp 600v compressor on AC tech mc1551

    Started by macds, 11-06-2017 09:55 PM
    • Replies: 8
    • Views: 318
    11-09-2017, 12:30 PM Go to last post
  19. Transformer issues mitsubishi mazak

    Started by cgmaster, 11-07-2017 04:02 PM
    • Replies: 3
    • Views: 171
    11-09-2017, 11:57 AM Go to last post
    • Replies: 22
    • Views: 962
    11-06-2017, 09:48 PM Go to last post
  20. Starting and using a slightly over-sized RFC

    Started by Jollygrn74, 11-01-2017 11:59 PM
    main, motor, service, start, unit
    • Replies: 14
    • Views: 561
    11-06-2017, 07:32 PM Go to last post
  21. Old CRT video signals

    Started by ewlsey, 11-04-2017 08:14 AM
    composite, crt, pin, signals, video
    • Replies: 7
    • Views: 442
    11-06-2017, 12:20 AM Go to last post
  22. Phase Perfect to Delta-Wye transformer

    Started by SND, 10-27-2017 06:13 AM
    assume, disconnect, start, straight, transformer
    • Replies: 6
    • Views: 482
    11-05-2017, 07:15 PM Go to last post
    • Replies: 1
    • Views: 189
    11-05-2017, 07:04 PM Go to last post
  23. Plug outlet for a 20 hp RPC?

    Started by Matt Matt, 11-01-2017 11:25 PM
    outlet, part, phase, plug, rpc
    • Replies: 10
    • Views: 550
    11-05-2017, 12:02 PM Go to last post
  24. 2HP Press Brake. Static, RPC, or VFD?

    Started by rbmgf7, 10-30-2017 10:49 AM
    phase, power, pump, rpc, vfds
    • Replies: 2
    • Views: 288
    11-05-2017, 06:50 AM Go to last post
    • Replies: 9
    • Views: 643
    11-04-2017, 11:38 PM Go to last post
  25. Hitachi WJ200 Programming Options

    Started by atomarc, 11-03-2017 08:07 PM
    drive, fault, make, program, wj200
    • Replies: 0
    • Views: 203
    11-03-2017, 08:07 PM Go to last post
  26. VFD hitachi nes1 022sb an ok vfd?

    Started by medic0079, 04-11-2014 09:53 PM
    • Replies: 11
    • Views: 3,662
    11-03-2017, 10:30 AM Go to last post
  27. Converting an RC 256 to single phase

    Started by tjb836, 02-25-2012 07:17 PM
    2 Pages
    1 2
    • Replies: 32
    • Views: 9,724
    11-02-2017, 06:43 PM Go to last post
  28. DoAll DBW-12B transformer rewind

    Started by csdrag, 11-02-2017 08:33 AM
    blade welder, doall, replacement, transformer
    • Replies: 3
    • Views: 253
    11-02-2017, 04:45 PM Go to last post
  29. Transformer selection buck boost or other

    Started by cgmaster, 10-30-2017 08:12 PM
    boost, buck, kitamura, mill, transformers
    • Replies: 7
    • Views: 434
    11-01-2017, 11:27 PM Go to last post
  30. Motor/drum setup help??!!!

    Started by lazun, 10-31-2017 09:15 AM
    • Replies: 6
    • Views: 344
    11-01-2017, 07:46 PM Go to last post
  31. Replacing motor start capacitor(s).

    Started by rons, 10-24-2017 12:49 PM
    2 Pages
    1 2
    • Replies: 31
    • Views: 1,032
    11-01-2017, 06:00 PM Go to last post
  32. Connectors mounted on RPC box

    Started by rons, 10-30-2017 12:52 AM
    • Replies: 4
    • Views: 338
    10-30-2017, 06:13 PM Go to last post
  33. Myford Lathe won't start - Inverter issue?

    Started by Mouth, 10-12-2017 07:43 AM
    2 Pages
    1 2
    • Replies: 25
    • Views: 1,016
    10-30-2017, 11:07 AM Go to last post

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