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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: 340,119
    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: 4,122
    08-02-2017, 03:05 PM Go to last post
    • Replies: 0
    • Views: 3,324
    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: 7,158
    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: 14,313
    02-23-2013, 08:31 AM Go to last post
  1. Question NEC code questions, my RPC Build

    Started by 5ubtle, 07-21-2018 04:13 PM
    • Replies: 2
    • Views: 96
    07-22-2018, 12:21 PM Go to last post
  2. Second motor setup on Hitachi WJ200

    Started by mikey553, 07-17-2018 05:38 AM
    • Replies: 8
    • Views: 283
    07-21-2018, 08:45 AM Go to last post
  3. Phase Perfect Protection

    Started by converterking, 07-20-2018 12:23 PM
    automatically, make, perfect, phase, solution
    • Replies: 8
    • Views: 320
    07-20-2018, 10:16 PM Go to last post
  4. Haas-Kemp conversion on Linde VI-253

    Started by tomjelly, 06-03-2016 11:56 AM
    • Replies: 11
    • Views: 2,636
    07-20-2018, 02:33 PM Go to last post
    • Replies: 19
    • Views: 607
    07-19-2018, 02:20 PM Go to last post
  5. 7.5 HP Phase Conversion VFD

    Started by J-Head, 07-17-2018 08:51 AM
    drives, phase, single, spedestar, vfd
    • Replies: 8
    • Views: 430
    07-19-2018, 08:39 AM Go to last post
  6. transformer / rotary phase converter questions

    Started by rb1, 12-17-2010 06:31 AM
    • Replies: 15
    • Views: 12,513
    07-16-2018, 05:22 PM Go to last post
  7. Motor still noisy with shielded cable

    Started by user322, 07-13-2018 07:05 PM
    • Replies: 3
    • Views: 236
    07-16-2018, 11:15 AM Go to last post
  8. Need to power Okuma MC40 va- what HP converter

    Started by Sevo, 07-15-2018 11:55 AM
    • Replies: 0
    • Views: 153
    07-15-2018, 11:55 AM Go to last post
  9. New to phase convertors

    Started by TimH, 07-14-2018 07:07 AM
    convertors, machine, motor, phase, victor
    • Replies: 2
    • Views: 210
    07-14-2018, 01:10 PM Go to last post
  10. 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: 376
    07-14-2018, 05:11 AM Go to last post
    • Replies: 5
    • Views: 295
    07-13-2018, 11:21 PM Go to last post
  11. 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: 254
    07-13-2018, 07:43 PM Go to last post
    • Replies: 14
    • Views: 487
    07-13-2018, 10:13 AM Go to last post
    • Replies: 0
    • Views: 147
    07-12-2018, 11:40 PM Go to last post
  12. Powering a Bridgeport mill and Victor 1440G lathe?

    Started by beeser, 07-11-2018 10:04 PM
    amp, bridgeport, gauge, lathe, wire
    • Replies: 5
    • Views: 243
    07-12-2018, 04:37 PM Go to last post
  13. Hitachi WJ200 Question

    Started by atomarc, 05-26-2018 05:58 PM
    2 Pages
    1 2
    • Replies: 21
    • Views: 1,198
    07-12-2018, 11:24 AM Go to last post
  14. Current transformer selection?

    Started by Grigg, 06-01-2018 08:56 AM
    2 Pages
    1 2
    • Replies: 32
    • Views: 1,603
    07-11-2018, 08:14 AM Go to last post
  15. Load Conversion from 3-phase to Single Phase

    Started by riabma77, 07-11-2018 06:43 AM
    kva, load, perfect, phase, single
    • Replies: 0
    • Views: 148
    07-11-2018, 06:43 AM Go to last post
  16. Rochester NY: Two 3 phase motors cheap

    Started by wheels17, 07-10-2018 02:27 PM
    • Replies: 0
    • Views: 204
    07-10-2018, 02:27 PM Go to last post
  17. Help Wiring Motor - Reversing Starter

    Started by carbitz, 07-08-2018 02:18 PM
    • Replies: 6
    • Views: 288
    07-09-2018, 09:02 PM Go to last post
  18. Assistance Setting up Teco L510

    Started by superman22x, 07-08-2018 01:27 PM
    • Replies: 3
    • Views: 200
    07-09-2018, 01:06 PM Go to last post
    • Replies: 4
    • Views: 364
    07-07-2018, 08:32 AM Go to last post
    • Replies: 3
    • Views: 326
    07-06-2018, 02:03 PM Go to last post
  19. DC Motor Control

    Started by adrian, 07-06-2018 08:22 AM
    control, motor, rectifier, scr, type
    • Replies: 16
    • Views: 408
    07-06-2018, 01:15 PM Go to last post
  20. Using AC contactor coils with DC.

    Started by imported_brian_m, 07-04-2018 09:59 AM
    • Replies: 14
    • Views: 518
    07-05-2018, 12:06 PM Go to last post
    • Replies: 6
    • Views: 359
    07-04-2018, 09:41 PM Go to last post
  21. 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: 30
    • Views: 1,364
    07-02-2018, 03:40 PM Go to last post
  22. Electric Motor Help

    Started by blake in spokane, 06-27-2018 10:03 PM
    capasators, cover, motor, running, shutter
    • Replies: 4
    • Views: 829
    07-02-2018, 02:50 PM Go to last post
  23. Air compressor on phase converter - bigger motor?

    Started by YoungDen, 06-24-2018 07:48 AM
    air, bigger, compressor, motor, start
    • Replies: 12
    • Views: 509
    06-29-2018, 06:35 PM Go to last post
  24. Des-co 20HP phase converter voltage at 260v.

    Started by Neo6, 06-18-2018 12:25 AM
    2 Pages
    1 2
    • Replies: 30
    • Views: 1,037
    06-28-2018, 09:53 AM Go to last post
    • Replies: 5
    • Views: 314
    06-26-2018, 03:02 PM Go to last post
    • Replies: 2
    • Views: 240
    06-26-2018, 10:04 AM Go to last post
    • Replies: 5
    • Views: 364
    06-26-2018, 08:12 AM Go to last post
  25. Fadal Transformer Jumper wires

    Started by David Wayne, 06-25-2018 07:06 AM
    fadal, higher, jumper, supposed, voltage
    • Replies: 2
    • Views: 213
    06-26-2018, 04:09 AM Go to last post
  26. My Rotary Phase Converter Project w/ pics

    Started by beeser, 06-24-2018 09:53 AM
    • Replies: 10
    • Views: 567
    06-26-2018, 03:56 AM Go to last post
  27. Orientation of a transformer

    Started by legoboy, 06-25-2018 12:38 PM
    detrimental, lay, side, transformer, wrong
    • Replies: 6
    • Views: 349
    06-25-2018, 06:37 PM Go to last post
    • Replies: 16
    • Views: 537
    06-25-2018, 10:43 AM Go to last post
  28. Identifying 3 phase motor for RPC project

    Started by Deerehauler, 05-22-2018 10:13 PM
    2 Pages
    1 2
    • Replies: 31
    • Views: 1,532
    06-25-2018, 03:13 AM Go to last post
    • Replies: 14
    • Views: 433
    06-25-2018, 02:49 AM Go to last post

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