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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: 180
    • Views: 368,350
    06-11-2019, 10:05 AM Go to last post
  2. 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: 7,493
    08-02-2017, 04:05 PM Go to last post
    • Replies: 0
    • Views: 5,108
    04-03-2017, 01:11 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 12:09 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: 8,886
    01-10-2016, 12:09 AM Go to last post
  4. Sticky Thread Sticky: A reminder.... please make your thread title meaningful

    Started by JST, 02-23-2013 09:31 AM
    • Replies: 0
    • Views: 16,783
    02-23-2013, 09:31 AM Go to last post
  1. VFD worries...

    Started by chale4, 07-20-2019 12:44 PM
    3ph, back, it’s, motor, vfd 3 phase
    • Replies: 0
    • Views: 72
    07-20-2019, 12:44 PM Go to last post
  2. OT 24 volt battery charger testing

    Started by M. Moore, 07-13-2019 01:11 AM
    • Replies: 4
    • Views: 384
    07-20-2019, 01:44 AM Go to last post
    • Replies: 8
    • Views: 560
    07-19-2019, 10:17 PM Go to last post
  3. Rectifier test with switch hooked up to it.

    Started by Awleaphart, 04-26-2019 08:51 PM
    2 Pages
    1 2
    • Replies: 27
    • Views: 1,356
    07-19-2019, 12:12 PM Go to last post
  4. Faulty Transformer?

    Started by Richie V6, 07-17-2019 03:13 PM
    • Replies: 9
    • Views: 488
    07-19-2019, 09:48 AM Go to last post
  5. Balancing thoughts?

    Started by RonRock, 07-11-2019 04:16 PM
    2 Pages
    1 2
    • Replies: 26
    • Views: 1,321
    07-18-2019, 08:43 PM Go to last post
  6. VFD in a enclosure. Other ways than this?

    Started by rons, 07-04-2019 02:46 PM
    2 Pages
    1 2
    • Replies: 27
    • Views: 1,336
    07-18-2019, 04:23 AM Go to last post
  7. Mitsubishi Inverter Troubles

    Started by nineandtwothirds, 07-15-2019 01:03 PM
    • Replies: 5
    • Views: 249
    07-16-2019, 02:02 PM Go to last post
  8. Cool Haas-Kamp conversion for Miller CP-300, and CP-302 200-230-460

    Started by DaveKamp, 10-14-2018 11:29 PM
    2 Pages
    1 2
    • Replies: 30
    • Views: 3,246
    07-16-2019, 08:55 AM Go to last post
  9. Use 20hp RPC OR convert to single phase?

    Started by Paul Cataldo, 07-16-2019 07:37 AM
    20hp, guys, method, rpc, successfully
    • Replies: 0
    • Views: 165
    07-16-2019, 07:37 AM Go to last post
  10. Inverter, Motors

    Started by Eisen, 07-15-2019 06:14 PM
    • Replies: 2
    • Views: 247
    07-15-2019, 11:23 PM Go to last post
  11. Wiring line reactor in parallel?

    Started by saintscustomwork, 07-15-2019 10:18 AM
    asked, line, parallel, reactor, units
    • Replies: 5
    • Views: 273
    07-15-2019, 12:11 PM Go to last post
  12. Large shop wiring

    Started by 86turbodsl, 07-11-2019 12:00 PM
    corner, machines, run, shop, wood
    • Replies: 17
    • Views: 685
    07-15-2019, 05:25 AM Go to last post
  13. Question Dangers of Working with Inverters?

    Started by nineandtwothirds, 07-12-2019 09:20 AM
    • Replies: 12
    • Views: 999
    07-13-2019, 11:15 PM Go to last post
  14. 15HP RPC Build

    Started by Ryanjax, 07-28-2017 11:22 AM
    • Replies: 13
    • Views: 1,805
    07-13-2019, 07:37 PM Go to last post
  15. Anybody know toolnut?

    Started by RonRock, 07-12-2019 04:41 PM
    buy, concerned, happen, stuff, supposed
    • Replies: 0
    • Views: 278
    07-12-2019, 04:41 PM Go to last post
  16. 3 Phase inverter,

    Started by griff25-06, 07-07-2019 04:05 PM
    240v, 2hp, 415v, inverter, phase
    • Replies: 8
    • Views: 804
    07-12-2019, 12:10 PM Go to last post
  17. Will bad start capacitor blow fuse?

    Started by gmoushon, 07-10-2019 05:50 AM
    2 Pages
    1 2
    bad, capacitor, motor, plate, start
    • Replies: 21
    • Views: 891
    07-12-2019, 08:49 AM Go to last post
  18. QWIK-STOP any documentation around?

    Started by danielwenzel, 05-14-2008 01:15 PM
    • Replies: 3
    • Views: 3,230
    07-11-2019, 09:51 PM Go to last post
  19. Three phase 200 volt motor

    Started by Don Gitzel, 07-09-2019 10:31 AM
    motor, running, volt, volts, wary
    • Replies: 3
    • Views: 323
    07-11-2019, 08:18 PM Go to last post
  20. Need a little help with my RPC build.

    Started by RonRock, 07-08-2019 04:36 PM
    • Replies: 5
    • Views: 472
    07-11-2019, 03:49 PM Go to last post
    • Replies: 10
    • Views: 608
    07-09-2019, 11:12 AM Go to last post
  21. How to size a correct DBR and cables?

    Started by BORSH, 07-08-2019 11:16 AM
    braking resistor, dbr, vfd
    • Replies: 3
    • Views: 373
    07-09-2019, 09:00 AM Go to last post
    • Replies: 1
    • Views: 431
    07-08-2019, 09:00 AM Go to last post
  22. Jog with VFD.

    Started by EtienneNavaar, 09-05-2012 08:04 PM
    • Replies: 11
    • Views: 8,067
    07-06-2019, 02:58 PM Go to last post
    • Replies: 2
    • Views: 517
    07-05-2019, 12:11 PM Go to last post
  23. Help in Diagnosing Problem - VFD, Motor, or Transformer???

    Started by smo10018, 06-28-2019 04:12 PM
    2 Pages
    1 2
    drive, error, power, transformer, vfd
    • Replies: 21
    • Views: 958
    07-05-2019, 11:08 AM Go to last post
  24. Seeking Specific Electric Motor for DIY Project

    Started by educatedguess417, 06-29-2019 01:07 AM
    2 Pages
    1 2
    • Replies: 20
    • Views: 1,277
    07-04-2019, 12:13 AM Go to last post
  25. Thanks to those who helped! Super Clean VFD Installation

    Started by xplodee, 10-09-2015 09:05 PM
    2 Pages
    1 2
    • Replies: 30
    • Views: 6,586
    07-03-2019, 10:53 PM Go to last post
  26. Opinions on lower cost VFDs?

    Started by Solarbell, 08-07-2018 06:21 PM
    1ph, 230v, 3ph, input, vfds
    • Replies: 18
    • Views: 1,855
    06-27-2019, 06:59 PM Go to last post
  27. 240/480 from a single RPC w/o transformer?

    Started by TDegenhart, 06-26-2019 02:44 PM
    motor, phase, volt, voltage, volts
    • Replies: 3
    • Views: 325
    06-26-2019, 07:46 PM Go to last post
    • Replies: 6
    • Views: 639
    06-26-2019, 06:50 PM Go to last post
    • Replies: 17
    • Views: 23,692
    06-26-2019, 04:33 PM Go to last post
  28. Smart and Brown 1024 VSL

    Started by George Liquor, 06-05-2019 11:03 AM
    2 Pages
    1 2
    110v, 240v, side, tansformer, things
    • Replies: 33
    • Views: 1,860
    06-25-2019, 04:09 PM Go to last post
  29. VFD Ramp Times with high enertia loads?

    Started by rons, 06-22-2019 10:24 AM
    equal, numbers, searched, seconds, times
    • Replies: 17
    • Views: 710
    06-24-2019, 04:06 PM Go to last post
  30. 50Hz versus 60Hz and power generation needed question

    Started by Milacron, 05-24-2019 07:56 AM
    4 Pages
    1 2 3 ... 4
    10%, means, motors, power, savings
    • Replies: 60
    • Views: 3,725
    06-23-2019, 08:20 PM Go to last post
    • Replies: 67
    • Views: 4,105
    06-23-2019, 01:49 PM Go to last post
  31. Help w/ new lathe motor - home shop

    Started by wild_musk, 06-21-2019 03:51 PM
    frame, motor, rpm, system, vfd
    • Replies: 17
    • Views: 854
    06-23-2019, 03:32 AM Go to last post
    • Replies: 8
    • Views: 955
    06-22-2019, 02:04 PM Go to last post
    • Replies: 15
    • Views: 1,259
    06-20-2019, 10:01 AM Go to last post

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