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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
    9 Pages
    1 2 3 ... 9
    • Replies: 166
    • Views: 282,083
    01-14-2017, 12:18 PM Go to last post
  2. 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: 3,487
    01-10-2016, 12:09 AM Go to last post
  3. Sticky Thread Sticky: A reminder.... please make your thread title meaningful

    Started by JST, 02-23-2013 09:31 AM
    • Replies: 0
    • Views: 10,971
    02-23-2013, 09:31 AM Go to last post
  1. Wiring 460 to 220 quote....$1250?????

    Started by mkd, 01-17-2017 05:29 PM
    3 Pages
    1 2 3
    cnc, machine, run, transformer, wire
    • Replies: 44
    • Views: 1,474
    01-18-2017, 05:59 PM Go to last post
  2. Spindle Controller to VFD Replacement/Retrofit?

    Started by SRDC, 01-17-2017 12:08 AM
    hitachi, mitsubishi, spindle, vfd
    • Replies: 12
    • Views: 261
    01-18-2017, 03:51 PM Go to last post
  3. Step up transformer needed

    Started by rbdjr59, 12-30-2016 06:31 AM
    3 Pages
    1 2 3
    • Replies: 53
    • Views: 1,318
    01-18-2017, 12:53 PM Go to last post
  4. Help with Squirel cage induction polyphase motor?

    Started by jamie76x, 01-17-2017 11:01 AM
    cage, converter, make, motor, volts
    • Replies: 1
    • Views: 135
    01-17-2017, 12:29 PM Go to last post
    • Replies: 6
    • Views: 195
    01-17-2017, 07:44 AM Go to last post
  5. 240 v to 575 v 3 phase converter project

    Started by jappietoutou, 01-12-2016 07:50 PM
    3 Pages
    1 2 3
    • Replies: 45
    • Views: 6,759
    01-16-2017, 08:03 PM Go to last post
  6. Taft Peirce DC Electric Chuck

    Started by clayton, 09-24-2016 02:57 PM
    taft, power, peirce, chuck, modern
    • Replies: 2
    • Views: 293
    01-16-2017, 04:31 PM Go to last post
    • Replies: 5
    • Views: 227
    01-14-2017, 08:42 PM Go to last post
  7. 1hp bald or buffer capacitor question.

    Started by MisterMicroscope, 01-09-2017 07:11 PM
    • Replies: 13
    • Views: 543
    01-14-2017, 02:14 PM Go to last post
  8. 200v 3 phase motor with VFD, will this work?

    Started by Cue, 01-12-2017 10:09 AM
    2 Pages
    1 2
    • Replies: 22
    • Views: 556
    01-14-2017, 12:55 AM Go to last post
    • Replies: 0
    • Views: 136
    01-13-2017, 12:33 PM Go to last post
  9. using a VFD with over-rated motor

    Started by jbbenni, 01-10-2017 01:31 PM
    2 Pages
    1 2
    current limit, motor, power, vfd
    • Replies: 20
    • Views: 580
    01-12-2017, 02:46 PM Go to last post
    • Replies: 4
    • Views: 1,423
    01-11-2017, 03:16 PM Go to last post
    • Replies: 5
    • Views: 237
    01-11-2017, 02:33 PM Go to last post
  10. Voltage tolerance limits for 550-V motors?

    Started by rklopp, 01-11-2017 10:26 AM
    • Replies: 7
    • Views: 236
    01-11-2017, 02:26 PM Go to last post
  11. Store Bought RPC Wiring

    Started by Can'tWeld, 01-02-2017 05:12 PM
    • Replies: 17
    • Views: 765
    01-10-2017, 11:38 PM Go to last post
    • Replies: 18
    • Views: 795
    01-10-2017, 09:35 PM Go to last post
  12. Help with Wye Delta Starter

    Started by ewlsey, 10-28-2016 09:39 PM
    4 Pages
    1 2 3 ... 4
    • Replies: 71
    • Views: 3,439
    01-10-2017, 03:23 PM Go to last post
  13. 1hp VFD for a 1.5hp motor?

    Started by dmbaile2, 10-23-2015 07:54 PM
    draw, motor, rated, rpm, vfd
    • Replies: 15
    • Views: 1,957
    01-10-2017, 01:10 PM Go to last post
  14. VFD Bus capacitor reforming Docs

    Started by mike_kilroy, 01-09-2017 01:46 PM
    couple, docs, share, thought, vfds
    • Replies: 4
    • Views: 278
    01-10-2017, 11:11 AM Go to last post
  15. Successful Haas Kamp coversion Hobart RC-300

    Started by Deerehauler, 01-09-2017 11:01 PM
    article, follow, kamp, link, read
    • Replies: 0
    • Views: 174
    01-09-2017, 11:01 PM Go to last post
  16. Fan/Venting for a VFD Enclosure?

    Started by chefjuke, 01-07-2017 08:12 PM
    • Replies: 19
    • Views: 602
    01-09-2017, 05:01 PM Go to last post
    • Replies: 4
    • Views: 181
    01-09-2017, 11:01 AM Go to last post
    • Replies: 10
    • Views: 487
    01-09-2017, 10:12 AM Go to last post
  17. VFD tuning for 3 phase motor

    Started by wagsha48, 12-14-2016 02:35 PM
    2 Pages
    1 2
    • Replies: 30
    • Views: 1,343
    01-09-2017, 07:42 AM Go to last post
  18. Using a RPC to power a VFD

    Started by jraksdhs, 01-08-2017 05:38 PM
    3ph, input, lathe, thinking, vfd
    • Replies: 2
    • Views: 257
    01-08-2017, 10:06 PM Go to last post
  19. Starting and Stopping a RPC

    Started by redlee, 01-07-2017 05:48 PM
    hate, minutes, rpc, starting, stopping
    • Replies: 2
    • Views: 274
    01-07-2017, 06:22 PM Go to last post
    • Replies: 9
    • Views: 450
    01-07-2017, 10:53 AM Go to last post
  20. VFD high pitch tone

    Started by clarnibass, 01-06-2017 11:14 PM
    • Replies: 3
    • Views: 254
    01-07-2017, 09:14 AM Go to last post
  21. Programming an Allen Bradley Powerflex 40

    Started by djcaswel, 12-21-2016 09:56 PM
    output, powerflex, programming, start, steplogic
    • Replies: 3
    • Views: 332
    01-05-2017, 11:48 PM Go to last post
  22. Please Review Diagram

    Started by rhoward, 01-03-2017 11:35 PM
    • Replies: 3
    • Views: 335
    01-04-2017, 02:27 PM Go to last post
  23. Tb woods programming.

    Started by timewarp, 05-13-2014 12:03 AM
    • Replies: 6
    • Views: 1,178
    01-02-2017, 02:11 PM Go to last post
  24. 440 to 220 Question

    Started by rbdjr59, 12-31-2016 09:37 AM
    • Replies: 5
    • Views: 408
    12-31-2016, 05:20 PM Go to last post
  25. Sizing transformer with multiple motors

    Started by Hobby Shop, 12-31-2016 08:01 AM
    • Replies: 9
    • Views: 320
    12-31-2016, 03:58 PM Go to last post
    • Replies: 10
    • Views: 897
    12-30-2016, 10:59 PM Go to last post
  26. 220v single to 600v 3 phase

    Started by eastonmade, 12-26-2016 11:28 AM
    600v, parts, phase, power, shop
    • Replies: 17
    • Views: 699
    12-30-2016, 07:48 AM Go to last post
    • Replies: 3
    • Views: 560
    12-29-2016, 10:19 AM Go to last post
  27. Thank God almighty, I'm free at last.

    Started by jonok, 12-28-2016 07:44 PM
    • Replies: 5
    • Views: 645
    12-28-2016, 11:21 PM Go to last post
  28. Interest level in being guinea pig for Chinese VFD?

    Started by J Lauffer, 01-28-2015 01:15 PM
    4 Pages
    1 2 3 ... 4
    • Replies: 69
    • Views: 6,156
    12-28-2016, 07:24 PM Go to last post
    • Replies: 12
    • Views: 553
    12-27-2016, 03:42 PM Go to last post

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