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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
    10 Pages
    1 2 3 ... 10
    • Replies: 193
    • Views: 422,163
    12-08-2020, 01:37 AM Go to last post
  2. Sticky Thread Sticky: Motor drum switch wiring references Please look before asking

    Started by JST, 04-13-2020 10:13 PM
    drum, phase, single, step, switch
    • Replies: 1
    • Views: 2,330
    04-13-2020, 10:13 PM Go to last post
  3. 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: 15,080
    08-02-2017, 04:05 PM Go to last post
    • Replies: 0
    • Views: 8,928
    04-03-2017, 01:11 PM Go to last post
  4. Sticky Thread Sticky: Please keep threads to one subject as much as possible

    Started by JST, 01-10-2016 01:09 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: 12,935
    01-10-2016, 01:09 AM Go to last post
  5. Sticky Thread Sticky: A reminder.... please make your thread title meaningful

    Started by JST, 02-23-2013 10:31 AM
    • Replies: 0
    • Views: 21,049
    02-23-2013, 10:31 AM Go to last post
  1. Need help with "low power" 5 hp Saylor Beall 704 compressor

    Started by shepherm, 01-24-2021 03:34 PM
    2 Pages
    1 2
    compressor, motor, ohm, search, wire
    • Replies: 31
    • Views: 601
    01-26-2021, 09:33 PM Go to last post
  2. Rotary phase converter VS VFD

    Started by jappietoutou, 01-22-2021 12:33 PM
    2 Pages
    1 2
    240v, 575v, point, rpc, works
    • Replies: 25
    • Views: 967
    01-26-2021, 01:36 PM Go to last post
  3. "Low Voltage" Error on VFD

    Started by Domodude17, 01-25-2021 04:05 PM
    fine, phase, power, vfd, voltage
    • Replies: 3
    • Views: 236
    01-25-2021, 11:48 PM Go to last post
    • Replies: 11
    • Views: 479
    01-25-2021, 08:55 PM Go to last post
    • Replies: 4
    • Views: 266
    01-25-2021, 01:17 PM Go to last post
  4. Caps for Phase Perfect

    Started by bob, 01-18-2021 11:38 AM
    2 Pages
    1 2
    caps, number, part, replacing, send
    • Replies: 23
    • Views: 848
    01-25-2021, 04:40 AM Go to last post
  5. DoAll Bandsaw 16-3 Transformer wiring

    Started by tonystoolroom, 01-24-2021 03:33 PM
    • Replies: 4
    • Views: 199
    01-25-2021, 04:19 AM Go to last post
  6. Need help deciding how to convert to 3 phase

    Started by dodgediesel2, 01-23-2021 10:08 PM
    i’m, motors, phase, rpc, shop
    • Replies: 10
    • Views: 457
    01-25-2021, 03:24 AM Go to last post
  7. 220v and 110v wiring question

    Started by 57buick, 01-21-2021 12:40 AM
    110v, 220v, dro, feed, power
    • Replies: 7
    • Views: 447
    01-23-2021, 09:31 PM Go to last post
  8. Source of vintage motor overloads?

    Started by Cannonmn, 01-22-2021 03:33 PM
    drill, low-speed, overload, setting, source
    • Replies: 2
    • Views: 186
    01-22-2021, 06:58 PM Go to last post
  9. Help with remote speed and direction control for VFD

    Started by M.B. Naegle, 01-18-2021 06:33 PM
    2 Pages
    1 2
    • Replies: 27
    • Views: 725
    01-22-2021, 03:40 PM Go to last post
  10. Question Assembling a 20hp Phase converter...Basic question on motors

    Started by CaryC, 01-13-2021 02:46 PM
    3 Pages
    1 2 3
    • Replies: 46
    • Views: 1,823
    01-22-2021, 01:57 PM Go to last post
  11. Auto transformer for hid lights

    Started by camaro_dan67, 01-07-2021 09:41 PM
    bulb, lights, transformer, voltage, volts
    • Replies: 7
    • Views: 441
    01-22-2021, 08:47 AM Go to last post
  12. Help configuring Hitachi wj200-110lf

    Started by scuppasteve, 01-20-2021 11:08 PM
    drive, output, run, terminals, voltage
    • Replies: 3
    • Views: 224
    01-22-2021, 01:16 AM Go to last post
  13. Potential relays

    Started by Don Gitzel, 01-13-2021 12:44 PM
    button, potential, relay, relays, start
    • Replies: 7
    • Views: 430
    01-21-2021, 07:32 PM Go to last post
  14. 4 wire 2 phase motor wiring

    Started by Nicholas Bove, 01-16-2021 06:06 PM
    2 Pages
    1 2
    greatly, phase, run, single, wire
    • Replies: 24
    • Views: 908
    01-20-2021, 03:16 AM Go to last post
    • Replies: 26
    • Views: 11,148
    01-18-2021, 09:18 PM Go to last post
  15. Bradford Metalmaster 440v to 220v

    Started by FJsapper, 12-10-2020 03:37 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 1,133
    01-17-2021, 06:36 PM Go to last post
  16. Bridge rectifier

    Started by rj1939, 01-07-2021 07:55 PM
    2 Pages
    1 2
    • Replies: 34
    • Views: 1,165
    01-17-2021, 06:32 PM Go to last post
  17. 20hp idler with 15hp control box

    Started by texasgunsmith, 01-15-2021 10:52 AM
    • Replies: 5
    • Views: 309
    01-16-2021, 04:52 PM Go to last post
  18. Ab Arboga Drill Press power options

    Started by Mikewid04, 01-11-2021 07:31 AM
    480vac, arboga, i’d, phase, small
    • Replies: 4
    • Views: 446
    01-16-2021, 03:47 AM Go to last post
  19. Which grade of American Rotary converter do I need?

    Started by Trboatworks, 04-01-2019 05:37 AM
    2 Pages
    1 2
    • Replies: 26
    • Views: 4,748
    01-15-2021, 08:00 PM Go to last post
    • Replies: 7
    • Views: 492
    01-15-2021, 04:25 AM Go to last post
  20. 208V/480V Transformer In Rush Current?

    Started by adh2000, 01-01-2021 04:10 PM
    3 Pages
    1 2 3
    • Replies: 54
    • Views: 1,596
    01-15-2021, 02:11 AM Go to last post
  21. 440v machine with 220 rpc?

    Started by sam_stlouis, 01-14-2021 07:11 PM
    220v, 440v, machine, phase, rpc
    • Replies: 2
    • Views: 226
    01-15-2021, 01:53 AM Go to last post
  22. have a few caps left over

    Started by 1yesca, 01-11-2021 09:42 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 853
    01-14-2021, 02:15 PM Go to last post
  23. Hobart Arc Master 500 Questions

    Started by elkvis, 01-11-2021 02:05 PM
    • Replies: 1
    • Views: 182
    01-12-2021, 10:26 AM Go to last post
  24. Quad Drill Press Electrical Malfunction

    Started by WakelessFoil, 01-10-2021 12:32 AM
    • Replies: 7
    • Views: 478
    01-11-2021, 11:30 PM Go to last post
  25. Single phase long shaft motors?

    Started by RHammer9, 01-10-2021 05:20 PM
    future, machine, motor, phase, single
    • Replies: 5
    • Views: 453
    01-11-2021, 08:43 PM Go to last post
  26. will this wiring scheme for 40 HP RPC work?

    Started by madmachinst, 12-22-2020 09:40 AM
    2 Pages
    1 2
    • Replies: 29
    • Views: 1,009
    01-11-2021, 05:42 PM Go to last post
  27. Question for JST and others about VFDs

    Started by 9100, 01-11-2021 09:44 AM
    braking, job, power, stay, vfd
    • Replies: 4
    • Views: 255
    01-11-2021, 12:30 PM Go to last post
  28. 240-440V transformer

    Started by Henruu, 12-31-2020 05:15 PM
    idler, neutral, output, phase, transformer
    • Replies: 7
    • Views: 433
    01-10-2021, 07:18 PM Go to last post
    • Replies: 6
    • Views: 1,240
    01-10-2021, 10:05 AM Go to last post
  29. Balancing vs. Power Considerations

    Started by John Gill, 09-23-2004 02:27 PM
    2 Pages
    1 2
    • Replies: 22
    • Views: 1,603
    01-10-2021, 05:52 AM Go to last post
  30. Ato gk3000 wire up help please

    Started by Biznawich, 01-05-2021 02:47 AM
    • Replies: 8
    • Views: 506
    01-09-2021, 09:45 PM Go to last post
  31. Emergency stop cable color

    Started by Strostkovy, 12-14-2020 01:32 AM
    2 Pages
    1 2
    cable, color, safety, stop, work
    • Replies: 20
    • Views: 1,125
    01-07-2021, 10:00 PM Go to last post
  32. When can us Americans stop using neutral wires?

    Started by Strostkovy, 01-01-2021 11:40 PM
    4 Pages
    1 2 3 ... 4
    ground, neutral, running, wire, wires
    • Replies: 74
    • Views: 2,495
    01-07-2021, 09:16 PM Go to last post
  33. Understanding the power requirements of a welder

    Started by PixMan, 03-28-2010 10:11 AM
    • Replies: 17
    • Views: 47,458
    01-07-2021, 07:41 PM Go to last post
  34. Earth Leakage issues

    Started by marcsO, 01-01-2021 12:41 PM
    5 Pages
    1 2 3 ... 5
    • Replies: 99
    • Views: 3,028
    01-07-2021, 07:27 PM Go to last post
  35. Supplying 110V to Fagor 8050 control

    Started by William Wallace, 01-07-2021 01:32 PM
    • Replies: 1
    • Views: 164
    01-07-2021, 06:29 PM Go to last post

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