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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: 339,445
    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: 4,071
    08-02-2017, 03:05 PM Go to last post
    • Replies: 0
    • Views: 3,303
    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: 7,138
    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: 14,287
    02-23-2013, 08:31 AM Go to last post
  1. Need to power Okuma MC40 va- what HP converter

    Started by Sevo, 07-15-2018 11:55 AM
    • Replies: 0
    • Views: 96
    07-15-2018, 11:55 AM Go to last post
  2. New to phase convertors

    Started by TimH, 07-14-2018 07:07 AM
    convertors, machine, motor, phase, victor
    • Replies: 2
    • Views: 162
    07-14-2018, 01:10 PM Go to last post
  3. 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: 322
    07-14-2018, 05:11 AM Go to last post
    • Replies: 5
    • Views: 247
    07-13-2018, 11:21 PM Go to last post
  4. Motor still noisy with shielded cable

    Started by user322, 07-13-2018 07:05 PM
    • Replies: 2
    • Views: 142
    07-13-2018, 11:19 PM Go to last post
    • Replies: 14
    • Views: 423
    07-13-2018, 10:13 AM Go to last post
    • Replies: 0
    • Views: 124
    07-12-2018, 11:40 PM Go to last post
  5. old forklift charger drawing too much current?

    Started by Drd, 07-12-2018 03:03 PM
    240v, amps, charger, ferroresonant 48v, forklift battery
    • Replies: 2
    • Views: 206
    07-12-2018, 05:44 PM Go to last post
  6. 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: 212
    07-12-2018, 04:37 PM Go to last post
  7. Hitachi WJ200 Question

    Started by atomarc, 05-26-2018 05:58 PM
    2 Pages
    1 2
    • Replies: 21
    • Views: 1,115
    07-12-2018, 11:24 AM Go to last post
  8. Current transformer selection?

    Started by Grigg, 06-01-2018 08:56 AM
    2 Pages
    1 2
    • Replies: 32
    • Views: 1,445
    07-11-2018, 08:14 AM Go to last post
  9. 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: 130
    07-11-2018, 06:43 AM Go to last post
  10. Rochester NY: Two 3 phase motors cheap

    Started by wheels17, 07-10-2018 02:27 PM
    • Replies: 0
    • Views: 176
    07-10-2018, 02:27 PM Go to last post
  11. Help Wiring Motor - Reversing Starter

    Started by carbitz, 07-08-2018 02:18 PM
    • Replies: 6
    • Views: 250
    07-09-2018, 09:02 PM Go to last post
  12. Assistance Setting up Teco L510

    Started by superman22x, 07-08-2018 01:27 PM
    • Replies: 3
    • Views: 179
    07-09-2018, 01:06 PM Go to last post
    • Replies: 4
    • Views: 319
    07-07-2018, 08:32 AM Go to last post
    • Replies: 3
    • Views: 290
    07-06-2018, 02:03 PM Go to last post
  13. DC Motor Control

    Started by adrian, 07-06-2018 08:22 AM
    control, motor, rectifier, scr, type
    • Replies: 16
    • Views: 354
    07-06-2018, 01:15 PM Go to last post
  14. Using AC contactor coils with DC.

    Started by imported_brian_m, 07-04-2018 09:59 AM
    • Replies: 14
    • Views: 480
    07-05-2018, 12:06 PM Go to last post
    • Replies: 6
    • Views: 321
    07-04-2018, 09:41 PM Go to last post
  15. 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: 1,301
    07-02-2018, 03:40 PM Go to last post
  16. Electric Motor Help

    Started by blake in spokane, 06-27-2018 10:03 PM
    capasators, cover, motor, running, shutter
    • Replies: 4
    • Views: 802
    07-02-2018, 02:50 PM Go to last post
  17. Air compressor on phase converter - bigger motor?

    Started by YoungDen, 06-24-2018 07:48 AM
    air, bigger, compressor, motor, start
    • Replies: 12
    • Views: 479
    06-29-2018, 06:35 PM Go to last post
  18. Des-co 20HP phase converter voltage at 260v.

    Started by Neo6, 06-18-2018 12:25 AM
    2 Pages
    1 2
    • Replies: 30
    • Views: 968
    06-28-2018, 09:53 AM Go to last post
    • Replies: 5
    • Views: 284
    06-26-2018, 03:02 PM Go to last post
    • Replies: 2
    • Views: 208
    06-26-2018, 10:04 AM Go to last post
    • Replies: 5
    • Views: 326
    06-26-2018, 08:12 AM Go to last post
  19. Fadal Transformer Jumper wires

    Started by David Wayne, 06-25-2018 07:06 AM
    fadal, higher, jumper, supposed, voltage
    • Replies: 2
    • Views: 194
    06-26-2018, 04:09 AM Go to last post
  20. My Rotary Phase Converter Project w/ pics

    Started by beeser, 06-24-2018 09:53 AM
    • Replies: 10
    • Views: 530
    06-26-2018, 03:56 AM Go to last post
  21. Orientation of a transformer

    Started by legoboy, 06-25-2018 12:38 PM
    detrimental, lay, side, transformer, wrong
    • Replies: 6
    • Views: 323
    06-25-2018, 06:37 PM Go to last post
    • Replies: 16
    • Views: 493
    06-25-2018, 10:43 AM Go to last post
  22. Identifying 3 phase motor for RPC project

    Started by Deerehauler, 05-22-2018 10:13 PM
    2 Pages
    1 2
    • Replies: 31
    • Views: 1,417
    06-25-2018, 03:13 AM Go to last post
    • Replies: 14
    • Views: 390
    06-25-2018, 02:49 AM Go to last post
  23. VFD output voltage

    Started by JoshNZ, 06-23-2018 07:23 AM
    • Replies: 16
    • Views: 476
    06-24-2018, 08:29 PM Go to last post
  24. Did I screw up - Ronk Roto-Con?

    Started by beeser, 06-23-2018 01:44 PM
    converter, kva, motor, phase, single
    • Replies: 6
    • Views: 317
    06-24-2018, 08:08 AM Go to last post
  25. Bridgeport rotary 2 phase

    Started by jaros44sr, 06-06-2018 09:42 AM
    buddy, peco, phase, running, worked
    • Replies: 9
    • Views: 665
    06-24-2018, 07:29 AM Go to last post
  26. dumore 25-22 vfd conversion

    Started by preachinpilot, 06-22-2018 12:40 PM
    dumor, dumore, tool post grinder, values, vfd
    • Replies: 1
    • Views: 227
    06-22-2018, 03:17 PM Go to last post
    • Replies: 17
    • Views: 388
    06-22-2018, 10:54 AM Go to last post
  27. Driving 3P Spindle Motor at Low RPM

    Started by gernoff, 06-11-2018 09:41 AM
    motor, spindle, jog, driven, engage
    • Replies: 6
    • Views: 389
    06-22-2018, 08:58 AM Go to last post
    • Replies: 1
    • Views: 228
    06-22-2018, 12:56 AM Go to last post

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