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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, 09-20-2006 11:46 PM
    9 Pages
    1 2 3 ... 9
    • Replies: 174
    • Views: 336,767
    06-15-2018, 01:44 AM Go to last post
  2. Sticky Thread Sticky: Huanyang VFDs.... Banned from discussion

    Started by JST, 08-02-2017 03:05 PM
    banned, huanyang, sold, units, vfds
    • Replies: 0
    • Views: 3,906
    08-02-2017, 03:05 PM Go to last post
    • Replies: 0
    • Views: 3,220
    04-03-2017, 12:11 PM Go to last post
  3. 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: 7,064
    01-09-2016, 11:09 PM Go to last post
  4. Sticky Thread Sticky: A reminder.... please make your thread title meaningful

    Started by JST, 02-23-2013 08:31 AM
    • Replies: 0
    • Views: 14,216
    02-23-2013, 08:31 AM Go to last post
  1. Air compressor on phase converter - bigger motor?

    Started by YoungDen, 06-24-2018 07:48 AM
    air, bigger, compressor, motor, start
    • Replies: 5
    • Views: 112
    06-24-2018, 03:41 PM Go to last post
    • Replies: 10
    • Views: 234
    06-24-2018, 02:57 PM Go to last post
  2. Des-co 20HP phase converter voltage at 260v.

    Started by Neo6, 06-18-2018 12:25 AM
    260v, converter, des-co, phase, power
    • Replies: 6
    • Views: 251
    06-24-2018, 01:27 PM Go to last post
  3. My Rotary Phase Converter Project w/ pics

    Started by beeser, 06-24-2018 09:53 AM
    • Replies: 1
    • Views: 81
    06-24-2018, 01:16 PM Go to last post
  4. Identifying 3 phase motor for RPC project

    Started by Deerehauler, 05-22-2018 10:13 PM
    2 Pages
    1 2
    • Replies: 28
    • Views: 1,074
    06-24-2018, 11:57 AM Go to last post
  5. Did I screw up - Ronk Roto-Con?

    Started by beeser, 06-23-2018 01:44 PM
    converter, kva, motor, phase, single
    • Replies: 6
    • Views: 213
    06-24-2018, 08:08 AM Go to last post
  6. Bridgeport rotary 2 phase

    Started by jaros44sr, 06-06-2018 09:42 AM
    buddy, peco, phase, running, worked
    • Replies: 9
    • Views: 474
    06-24-2018, 07:29 AM Go to last post
  7. VFD output voltage

    Started by JoshNZ, 06-23-2018 07:23 AM
    • Replies: 14
    • Views: 268
    06-24-2018, 06:44 AM Go to last post
    • Replies: 13
    • Views: 264
    06-23-2018, 02:19 PM Go to last post
  8. dumore 25-22 vfd conversion

    Started by preachinpilot, 06-22-2018 12:40 PM
    dumor, dumore, tool post grinder, values, vfd
    • Replies: 1
    • Views: 130
    06-22-2018, 03:17 PM Go to last post
    • Replies: 17
    • Views: 277
    06-22-2018, 10:54 AM Go to last post
  9. Driving 3P Spindle Motor at Low RPM

    Started by gernoff, 06-11-2018 09:41 AM
    motor, spindle, jog, driven, engage
    • Replies: 6
    • Views: 290
    06-22-2018, 08:58 AM Go to last post
    • Replies: 1
    • Views: 148
    06-22-2018, 12:56 AM Go to last post
  10. What determines the output voltage of a 3 ph idler motor?

    Started by lin842, 05-02-2018 08:52 AM
    3 Pages
    1 2 3
    • Replies: 43
    • Views: 2,166
    06-21-2018, 08:48 AM Go to last post
    • Replies: 3
    • Views: 155
    06-20-2018, 11:43 PM Go to last post
  11. Question Slowing down a high speed electrical spindle

    Started by mikey553, 06-13-2018 11:55 AM
    • Replies: 13
    • Views: 499
    06-19-2018, 06:20 PM Go to last post
  12. TECO L510 not working?

    Started by MushCreek, 05-28-2018 12:10 PM
    • Replies: 17
    • Views: 756
    06-19-2018, 02:23 PM Go to last post
    • Replies: 10
    • Views: 1,399
    06-19-2018, 01:57 PM Go to last post
  13. Buck-Boost Transformer Selection

    Started by zipfactor, 06-15-2018 04:52 PM
    buck-boost, rated, sites, transformer, voltage
    • Replies: 7
    • Views: 300
    06-16-2018, 11:53 AM Go to last post
  14. Operating 480VAC 3 phase motor with 240VAC single phase power

    Started by Froneck, 06-06-2018 11:03 PM
    2 Pages
    1 2
    480vac, mill, phase, transformer, wired
    • Replies: 29
    • Views: 970
    06-15-2018, 12:15 PM Go to last post
  15. Home built Static Phase Converter chattering potential relay

    Started by 2Slow, 05-03-2018 07:50 PM
    4 Pages
    1 2 3 ... 4
    • Replies: 79
    • Views: 3,238
    06-14-2018, 01:21 PM Go to last post
  16. Current transformer selection?

    Started by Grigg, 06-01-2018 08:56 AM
    2 Pages
    1 2
    • Replies: 30
    • Views: 1,041
    06-14-2018, 08:33 AM Go to last post
  17. Ok... What do I have? Transformer.

    Started by Kevin Beitz, 06-13-2018 06:10 PM
    • Replies: 3
    • Views: 285
    06-14-2018, 03:46 AM Go to last post
    • Replies: 9
    • Views: 721
    06-12-2018, 10:46 PM Go to last post
  18. static phase converter on lathe

    Started by DrStein99, 01-29-2008 02:03 PM
    2 Pages
    1 2
    • Replies: 34
    • Views: 12,030
    06-12-2018, 10:16 AM Go to last post
    • Replies: 19
    • Views: 580
    06-12-2018, 08:02 AM Go to last post
  19. 240-208v transformer, increasing output voltage?

    Started by SND, 06-07-2018 04:47 AM
    208v, bit, changing, raise, transformer
    • Replies: 11
    • Views: 444
    06-11-2018, 05:23 PM Go to last post
  20. Syncing two 3 phase PM generators.

    Started by Kevin Beitz, 06-05-2018 07:28 PM
    2 Pages
    1 2
    bulb, generators, leg, phase, wanting
    • Replies: 29
    • Views: 878
    06-08-2018, 12:54 PM Go to last post
    • Replies: 4
    • Views: 317
    06-07-2018, 05:50 PM Go to last post
  21. Bridge rectifier question.

    Started by Kevin Beitz, 06-01-2018 05:04 PM
    2 Pages
    1 2
    • Replies: 24
    • Views: 1,111
    06-03-2018, 08:30 PM Go to last post
  22. Three Phase transformer and VFD

    Started by adrian, 05-31-2018 08:46 AM
    delta, output, phase, star, transformer
    • Replies: 6
    • Views: 361
    06-02-2018, 08:06 AM Go to last post
    • Replies: 2
    • Views: 310
    06-02-2018, 07:20 AM Go to last post
  23. Help with Linde 305 Tig

    Started by Jon64l, 06-01-2018 07:27 PM
    board, fine, good, machine, work
    • Replies: 2
    • Views: 237
    06-01-2018, 08:33 PM Go to last post
  24. Hitachi WJ200 Question

    Started by atomarc, 05-26-2018 05:58 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 836
    05-31-2018, 12:56 AM Go to last post
  25. Determining the direction a motor will spin

    Started by beansdiesel, 04-19-2017 03:54 PM
    5 Pages
    1 2 3 ... 5
    • Replies: 81
    • Views: 5,468
    05-29-2018, 08:36 AM Go to last post
    • Replies: 19
    • Views: 1,226
    05-29-2018, 12:18 AM Go to last post
  26. Lincoln DC 400 3 phase conversion

    Started by Brian 315, 01-08-2016 04:17 PM
    • Replies: 4
    • Views: 1,886
    05-27-2018, 02:43 PM Go to last post
  27. Help with old Emerson motor

    Started by Tolken4, 05-26-2018 04:14 PM
    diagram, left, motor, plate, wiring
    • Replies: 5
    • Views: 325
    05-26-2018, 10:28 PM Go to last post
  28. VFD Pricing reflect quality?

    Started by crusty1007, 04-17-2018 02:29 PM
    close, motor, paying, phase, vfd
    • Replies: 16
    • Views: 1,389
    05-26-2018, 03:45 PM Go to last post
  29. Low line current on generated leg under load

    Started by zuhnc, 05-20-2018 11:28 AM
    2 Pages
    1 2
    1hp, current, equipment, line, motor
    • Replies: 23
    • Views: 923
    05-26-2018, 12:33 PM Go to last post

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