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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 01:46 AM
    10 Pages
    1 2 3 ... 10
    • Replies: 184
    • Views: 390,501
    02-01-2020, 04:04 PM Go to last post
  2. Sticky Thread Sticky: Huanyang VFDs.... Banned from discussion

    Started by JST, 08-02-2017 05:05 PM
    banned, huanyang, sold, units, vfds
    • Replies: 0
    • Views: 10,366
    08-02-2017, 05:05 PM Go to last post
    • Replies: 0
    • Views: 6,521
    04-03-2017, 02:11 PM Go to last post
  3. 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: 10,614
    01-10-2016, 01:09 AM Go to last post
  4. Sticky Thread Sticky: A reminder.... please make your thread title meaningful

    Started by JST, 02-23-2013 10:31 AM
    • Replies: 0
    • Views: 18,733
    02-23-2013, 10:31 AM Go to last post
  1. Running two motors on one VFD

    Started by 9100, 02-25-2020 03:54 PM
    feed, head, motor, vfd, work
    • Replies: 6
    • Views: 280
    02-27-2020, 09:23 PM Go to last post
  2. How bad can Chinese trash get- defective solder wick

    Started by 9100, 02-27-2020 05:10 PM
    braid, rosin, soak, solder, wick
    • Replies: 4
    • Views: 147
    02-27-2020, 09:18 PM Go to last post
  3. Hydraulic Press brake Dropping Volts HELP

    Started by flagvan2000, 02-26-2020 11:43 AM
    2 Pages
    1 2
    • Replies: 22
    • Views: 507
    02-27-2020, 08:09 PM Go to last post
  4. Using a vfd on a motor that is not vfd rated

    Started by West-7, 02-26-2020 03:19 PM
    vfd, motor, phase, rated, told
    • Replies: 17
    • Views: 473
    02-27-2020, 02:36 PM Go to last post
  5. Pony Motor Question - 25 HP RPC

    Started by Balvar24, 02-25-2020 04:40 PM
    • Replies: 4
    • Views: 256
    02-27-2020, 08:28 AM Go to last post
  6. Multiple Compressor motor problems

    Started by fredhh47, 08-17-2015 05:07 PM
    • Replies: 9
    • Views: 4,343
    02-26-2020, 06:30 PM Go to last post
  7. Successful CP-200 Conversions

    Started by smilingjohn, 04-06-2012 10:25 AM
    6 Pages
    1 2 3 ... 6
    • Replies: 100
    • Views: 43,537
    02-26-2020, 11:15 AM Go to last post
  8. 240v to 480v downgrade

    Started by claya, 01-08-2020 09:19 PM
    2 Pages
    1 2
    • Replies: 30
    • Views: 2,228
    02-25-2020, 01:33 AM Go to last post
  9. WTB Static Convertor

    Started by h13man, 02-22-2020 11:35 AM
    • Replies: 4
    • Views: 323
    02-24-2020, 12:17 PM Go to last post
    • Replies: 11
    • Views: 828
    02-24-2020, 12:22 AM Go to last post
  10. 3 phase soft start application

    Started by cg285, 02-13-2020 11:03 AM
    7 Pages
    1 2 3 ... 7
    • Replies: 126
    • Views: 4,857
    02-23-2020, 06:01 AM Go to last post
    • Replies: 12
    • Views: 536
    02-22-2020, 06:40 AM Go to last post
  11. Milwaukee Mag Drill problem

    Started by M. Moore, 02-22-2020 02:38 AM
    • Replies: 0
    • Views: 313
    02-22-2020, 02:38 AM Go to last post
  12. are a Dahlander 2 speed motor and a vfd compatible?

    Started by janvanruth, 02-15-2020 08:23 AM
    2 Pages
    1 2
    high, lathe, low, speed, vfd
    • Replies: 23
    • Views: 1,292
    02-22-2020, 12:05 AM Go to last post
  13. RPC phase loss protection

    Started by Hobby Shop, 02-21-2020 09:42 AM
    disconnect, idler, motor, phase, power
    • Replies: 3
    • Views: 265
    02-21-2020, 05:08 PM Go to last post
  14. 10 hp VFD for 7.5 hp motor

    Started by TXManka, 02-19-2020 07:26 AM
    motor, power, run, source, vfd
    • Replies: 8
    • Views: 492
    02-20-2020, 06:08 PM Go to last post
  15. Matsuura on Low Power Supply

    Started by Chris Duncan, 02-19-2020 08:38 PM
    low, machine, power, rpc, transformer
    • Replies: 2
    • Views: 214
    02-20-2020, 02:52 PM Go to last post
    • Replies: 0
    • Views: 185
    02-20-2020, 09:05 AM Go to last post
  16. VFD Wiring a 2 Speed Mill

    Started by LIFTED, 02-27-2019 01:13 PM
    • Replies: 6
    • Views: 1,606
    02-19-2020, 10:42 PM Go to last post
    • Replies: 4
    • Views: 346
    02-17-2020, 08:58 PM Go to last post
  17. Miller CP-200 208/230v converted to 240v single phase

    Started by CRJarvis, 04-29-2018 04:08 PM
    2 Pages
    1 2
    • Replies: 21
    • Views: 4,447
    02-17-2020, 06:29 PM Go to last post
  18. Any 480V VFDs that can run on 240V?

    Started by SBAER, 02-05-2009 11:31 AM
    2 Pages
    1 2
    • Replies: 25
    • Views: 15,435
    02-16-2020, 03:19 PM Go to last post
  19. Vintage Motor Bearing

    Started by Vladymere gr, 02-16-2020 11:47 AM
    bearing, boxes, motor, shop, wool
    • Replies: 0
    • Views: 191
    02-16-2020, 11:47 AM Go to last post
  20. How would you set up your off grid shop?

    Started by Gringo-Gaucho, 01-15-2020 02:04 PM
    2 Pages
    1 2
    3phase, efficiency, vdc, vfd, watt
    • Replies: 26
    • Views: 2,021
    02-15-2020, 09:40 PM Go to last post
  21. Getting a 480v service installed, step down to 208 or 240?

    Started by johfoster, 02-07-2020 03:35 AM
    2 Pages
    1 2
    • Replies: 25
    • Views: 1,528
    02-15-2020, 06:55 PM Go to last post
  22. General electrical question...220v/440v

    Started by CCL4, 08-01-2009 04:36 PM
    • Replies: 13
    • Views: 6,503
    02-12-2020, 04:25 PM Go to last post
    • Replies: 2
    • Views: 1,438
    02-11-2020, 07:39 PM Go to last post
  23. Correct wiring, three phase motor

    Started by ballen, 02-05-2020 03:16 PM
    box, connection, motor, star, wires
    • Replies: 10
    • Views: 735
    02-07-2020, 03:37 PM Go to last post
  24. Powering this old lathe

    Started by meowkat, 02-07-2020 01:25 PM
    • Replies: 0
    • Views: 411
    02-07-2020, 01:25 PM Go to last post
  25. 10/12Kw ATC Spindle needs VFD

    Started by KpAtch3s, 02-05-2020 10:03 PM
    10/12kw, pretty, spindle, title, vfd
    • Replies: 4
    • Views: 361
    02-07-2020, 06:07 AM Go to last post
  26. RPC Voltage question.

    Started by timewarp, 02-04-2020 01:08 AM
    • Replies: 10
    • Views: 767
    02-06-2020, 07:55 PM Go to last post
  27. Good capacitor brand non asian

    Started by jabberwoki, 02-04-2020 05:10 PM
    440/370, 50mfd, box, china, vac
    • Replies: 7
    • Views: 668
    02-06-2020, 11:01 AM Go to last post
  28. Right way to connect #2 and #6 in line?

    Started by Mud, 02-04-2020 05:51 PM
    • Replies: 8
    • Views: 658
    02-05-2020, 06:23 PM Go to last post
  29. Are VFD's bad for motors?

    Started by DennisCA, 11-05-2019 02:48 AM
    3 Pages
    1 2 3
    • Replies: 55
    • Views: 5,315
    02-05-2020, 01:50 AM Go to last post
    • Replies: 9
    • Views: 914
    02-04-2020, 01:17 PM Go to last post
  30. small DC motor lost some magnetism

    Started by metalmagpie, 01-31-2020 09:19 AM
    2 Pages
    1 2
    bearings, magnet, magnetism, make, motor
    • Replies: 20
    • Views: 1,365
    02-04-2020, 11:24 AM Go to last post
  31. Post Would like to add a VFD to a 10HP compressor motor

    Started by aNYsurfer, 01-27-2019 11:40 AM
    2 Pages
    1 2
    • Replies: 29
    • Views: 2,061
    02-02-2020, 07:51 PM Go to last post
    • Replies: 11
    • Views: 3,351
    02-01-2020, 04:26 PM Go to last post
  32. 220v siingle phase to 440, 480 or 575 volt 3 phase

    Started by Mrgt350, 01-12-2013 09:03 AM
    2 Pages
    1 2
    • Replies: 26
    • Views: 30,141
    02-01-2020, 01:48 AM Go to last post
    • Replies: 2
    • Views: 373
    01-31-2020, 04:54 PM Go to last post

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