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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: 342,741
    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: 4,313
    08-02-2017, 03:05 PM Go to last post
    • Replies: 0
    • Views: 3,404
    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: 7,234
    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: 14,428
    02-23-2013, 08:31 AM Go to last post
    • Replies: 7
    • Views: 242
    08-15-2018, 12:43 PM Go to last post
  1. Opinions on lower cost VFDs?

    Started by Solarbell, 08-07-2018 05:21 PM
    1ph, 230v, 3ph, input, vfds
    • Replies: 12
    • Views: 525
    08-15-2018, 10:58 AM Go to last post
  2. Successful CP-200 Conversions

    Started by smilingjohn, 04-06-2012 08:25 AM
    5 Pages
    1 2 3 ... 5
    • Replies: 83
    • Views: 31,866
    08-15-2018, 09:19 AM Go to last post
    • Replies: 9
    • Views: 2,044
    08-15-2018, 03:39 AM Go to last post
  3. Brain Scratcher for the Sparkies Here....

    Started by Ox, 08-13-2018 06:55 PM
    2 Pages
    1 2
    buss, compressor, reason, starter, times
    • Replies: 32
    • Views: 858
    08-14-2018, 08:40 PM Go to last post
    • Replies: 14
    • Views: 441
    08-14-2018, 04:46 AM Go to last post
    • Replies: 1
    • Views: 332
    08-12-2018, 10:18 PM Go to last post
  4. two pots for one VFD

    Started by JoshNZ, 08-07-2018 07:34 PM
    2 Pages
    1 2
    buttons, pot, side, start/stop, vfd
    • Replies: 32
    • Views: 770
    08-12-2018, 02:52 PM Go to last post
  5. Another Drum Switch Wiring GE CR102B

    Started by ProSeriesRacing, 08-09-2018 07:40 PM
    • Replies: 3
    • Views: 210
    08-12-2018, 04:10 AM Go to last post
  6. Successful Haas Kamp coversion Hobart RC-300

    Started by Deerehauler, 01-09-2017 10:01 PM
    article, follow, kamp, link, read
    • Replies: 8
    • Views: 725
    08-10-2018, 12:02 PM Go to last post
  7. Identifying 3 phase motor for RPC project

    Started by Deerehauler, 05-22-2018 10:13 PM
    2 Pages
    1 2
    • Replies: 36
    • Views: 1,913
    08-09-2018, 09:52 PM Go to last post
  8. 7k rpm from vfd?

    Started by tinrat, 08-09-2018 02:50 PM
    cycles, phase, rpm, rpms, vfd
    • Replies: 3
    • Views: 169
    08-09-2018, 05:17 PM Go to last post
  9. Thinking about getting a megger

    Started by Wade C, 08-08-2018 12:34 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 626
    08-09-2018, 06:36 AM Go to last post
  10. Two small RPC's or one bigger one ?

    Started by clampman, 12-24-2017 08:38 PM
    1/2, air, compressor, motor, run
    • Replies: 13
    • Views: 1,571
    08-08-2018, 09:09 PM Go to last post
  11. 240v into a 230v machine?

    Started by Spruewell, 08-02-2018 11:10 PM
    incoming, machine, power, reading, volts
    • Replies: 8
    • Views: 487
    08-08-2018, 09:56 AM Go to last post
  12. Exclamation Help with building 3 phase converter box

    Started by Jack Wilson, 08-04-2018 08:39 AM
    • Replies: 1
    • Views: 270
    08-04-2018, 09:19 AM Go to last post
  13. Will 1 VFD driving 2 motors act like differential?

    Started by svs, 07-31-2018 06:37 AM
    2 Pages
    1 2
    motors, tire, system, tread, vfd
    • Replies: 35
    • Views: 891
    08-02-2018, 05:23 PM Go to last post
    • Replies: 6
    • Views: 317
    08-02-2018, 09:48 AM Go to last post
  14. Phase Perfect Protection

    Started by converterking, 07-20-2018 12:23 PM
    3 Pages
    1 2 3
    automatically, make, perfect, phase, solution
    • Replies: 44
    • Views: 1,517
    08-01-2018, 10:07 PM Go to last post
  15. Do 230V single phase input / 460V three phase drives exist?

    Started by 86turbodsl, 07-29-2018 05:11 PM
    2 Pages
    1 2
    beast, exist, perfect, phase, type
    • Replies: 27
    • Views: 715
    08-01-2018, 06:19 AM Go to last post
  16. Help with kva, voltage, amps

    Started by welderboyjk, 07-30-2018 01:46 PM
    amps, figuring, kva, load, phase
    • Replies: 10
    • Views: 323
    07-30-2018, 08:21 PM Go to last post
    • Replies: 16
    • Views: 703
    07-29-2018, 06:38 PM Go to last post
  17. yaskawa varispeed 626vm2

    Started by jackvilli, 07-25-2018 07:17 AM
    drive, fault, rpm, spindle, time.this
    • Replies: 2
    • Views: 234
    07-29-2018, 04:57 AM Go to last post
  18. 7.5 HP Phase Conversion VFD

    Started by J-Head, 07-17-2018 08:51 AM
    • Replies: 11
    • Views: 753
    07-26-2018, 07:56 PM Go to last post
  19. Need help with Haas-Kamp conversion on CP-200

    Started by m2mexpert, 07-26-2018 07:39 PM
    • Replies: 0
    • Views: 165
    07-26-2018, 07:39 PM Go to last post
    • Replies: 0
    • Views: 186
    07-26-2018, 05:08 PM Go to last post
  20. Motor still noisy with shielded cable

    Started by user322, 07-13-2018 07:05 PM
    • Replies: 4
    • Views: 398
    07-26-2018, 11:59 AM Go to last post
  21. Why different voltage on RFD generated leg?

    Started by beeser, 07-23-2018 03:42 PM
    generated, leg, reason, rfd, voltage
    • Replies: 8
    • Views: 317
    07-23-2018, 07:47 PM Go to last post
  22. Haas-Kamp conversion on Airco CV250?

    Started by jzr756, 03-31-2013 04:15 PM
    • Replies: 9
    • Views: 4,845
    07-23-2018, 01:36 PM Go to last post
  23. Haas-Kemp conversion on Linde VI-253

    Started by tomjelly, 06-03-2016 11:56 AM
    • Replies: 14
    • Views: 2,884
    07-23-2018, 06:14 AM Go to last post
  24. Question NEC code questions, my RPC Build

    Started by 5ubtle, 07-21-2018 04:13 PM
    • Replies: 3
    • Views: 279
    07-22-2018, 06:31 PM Go to last post
  25. Second motor setup on Hitachi WJ200

    Started by mikey553, 07-17-2018 05:38 AM
    • Replies: 8
    • Views: 407
    07-21-2018, 08:45 AM Go to last post
    • Replies: 19
    • Views: 744
    07-19-2018, 02:20 PM Go to last post
  26. transformer / rotary phase converter questions

    Started by rb1, 12-17-2010 06:31 AM
    • Replies: 15
    • Views: 12,788
    07-16-2018, 05:22 PM Go to last post
  27. Need to power Okuma MC40 va- what HP converter

    Started by Sevo, 07-15-2018 11:55 AM
    • Replies: 0
    • Views: 243
    07-15-2018, 11:55 AM Go to last post
  28. New to phase convertors

    Started by TimH, 07-14-2018 07:07 AM
    convertors, machine, motor, phase, victor
    • Replies: 2
    • Views: 357
    07-14-2018, 01:10 PM Go to last post
  29. Delta mains service wiring to a Wye Transformer

    Started by dgcope, 07-12-2018 12:49 AM
    delta, service, transformer, transformers, wye-wye
    • Replies: 8
    • Views: 518
    07-14-2018, 05:11 AM Go to last post
    • Replies: 5
    • Views: 376
    07-13-2018, 11:21 PM Go to last post
  30. old forklift charger drawing too much current?

    Started by Drd, 07-12-2018 03:03 PM
    240v, amps, charger, ferroresonant 48v, forklift battery
    • Replies: 3
    • Views: 366
    07-13-2018, 07:43 PM Go to last post
    • Replies: 14
    • Views: 659
    07-13-2018, 10:13 AM Go to last post

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