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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: 192
    • Views: 409,068
    06-07-2020, 09:10 PM 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: 1,242
    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: 13,020
    08-02-2017, 04:05 PM Go to last post
    • Replies: 0
    • Views: 8,105
    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 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: 12,117
    01-10-2016, 12:09 AM Go to last post
  5. Sticky Thread Sticky: A reminder.... please make your thread title meaningful

    Started by JST, 02-23-2013 09:31 AM
    • Replies: 0
    • Views: 20,246
    02-23-2013, 09:31 AM Go to last post
  1. Quincy Qsync Compressor VFD error "L2 Phase Problem"

    Started by mrq11, 08-10-2020 09:12 AM
    compressor, drive, quincy, simovert, vfd
    • Replies: 1
    • Views: 149
    08-11-2020, 01:22 AM Go to last post
    • Replies: 0
    • Views: 209
    08-09-2020, 07:46 PM Go to last post
  2. 3 Wire Buss on a 4 Wire System?

    Started by Ox, 08-08-2020 08:45 PM
    buss, guessing, line, run, wire
    • Replies: 1
    • Views: 251
    08-08-2020, 10:56 PM Go to last post
  3. Auto transformer/rotary phase converter

    Started by Don Gitzel, 07-31-2020 02:46 PM
    • Replies: 8
    • Views: 623
    08-08-2020, 08:19 AM Go to last post
  4. Question Wiring up 1981 aged cnc milling machine

    Started by patryksvd, 08-07-2020 05:39 PM
    • Replies: 1
    • Views: 140
    08-08-2020, 08:10 AM Go to last post
    • Replies: 5
    • Views: 421
    08-07-2020, 08:12 PM Go to last post
  5. Transformer Problem

    Started by BillPall, 08-06-2020 04:57 PM
    excess relay voltage, relay, relays, transformer, voltage
    • Replies: 9
    • Views: 339
    08-07-2020, 04:48 PM Go to last post
    • Replies: 4
    • Views: 399
    08-07-2020, 06:17 AM Go to last post
  6. Which direction should I go?

    Started by agshooter, 07-30-2020 01:52 PM
    amp, house, hvac, motor, phase
    • Replies: 2
    • Views: 283
    08-06-2020, 06:22 PM Go to last post
  7. Using VFD to overspeed a motor

    Started by beckerkumm, 08-02-2020 11:09 AM
    3 Pages
    1 2 3
    • Replies: 51
    • Views: 1,405
    08-05-2020, 11:53 PM Go to last post
  8. Van Norman #12 has difficulty running higher speeds off static PC

    Started by shaggy, 08-04-2020 12:41 AM
    2 Pages
    1 2
    • Replies: 25
    • Views: 530
    08-05-2020, 11:05 PM Go to last post
  9. Jet 3 phase 460v wiring questions

    Started by borjawil, 08-02-2020 03:49 PM
    2 Pages
    1 2
    phase, press, drill, single, wired
    • Replies: 20
    • Views: 817
    08-05-2020, 06:54 AM Go to last post
  10. Moore jig borer wiring question

    Started by rkdygert, 03-15-2011 10:18 PM
    • Replies: 11
    • Views: 2,912
    08-05-2020, 05:23 AM Go to last post
  11. TECO L519 "OU-C" error

    Started by FlyinChip, 08-01-2020 08:35 PM
    • Replies: 1
    • Views: 206
    08-03-2020, 03:46 PM Go to last post
  12. Double delta 230v motor questions.

    Started by plumberpieco, 07-30-2020 09:36 PM
    • Replies: 6
    • Views: 436
    08-02-2020, 09:45 AM Go to last post
  13. TECO L510 setup question - FNR lever

    Started by FlyinChip, 08-01-2020 05:59 PM
    defaulted, l510, program, setup, teco
    • Replies: 3
    • Views: 144
    08-01-2020, 07:55 PM Go to last post
    • Replies: 4
    • Views: 5,664
    08-01-2020, 10:46 AM Go to last post
  14. Single Phase motor issue ?

    Started by BHolcombe, 07-31-2020 10:02 AM
    motor, noise, odd, problem, replaced
    • Replies: 8
    • Views: 530
    08-01-2020, 07:38 AM Go to last post
  15. VFD support and ddpurchase

    Started by beckerkumm, 07-31-2020 08:52 AM
    feeding, good, issues, support, vfd
    • Replies: 3
    • Views: 213
    07-31-2020, 02:15 PM Go to last post
  16. Converting 480 to 240

    Started by Mr muddle, 07-25-2020 02:09 AM
    • Replies: 10
    • Views: 979
    07-30-2020, 04:47 PM Go to last post
  17. Soft Start tutorial ; Cliff Notes

    Started by Cyclotronguy, 07-29-2020 12:31 PM
    motor, rapids, single, soft, start
    • Replies: 16
    • Views: 775
    07-30-2020, 04:27 PM Go to last post
  18. VFD OVER VOLTAGE AT HIGHER RPMs

    Started by jtcooper2008, 07-28-2020 11:08 PM
    read, spindle, vfd, voltage
    • Replies: 9
    • Views: 548
    07-30-2020, 04:14 PM Go to last post
  19. RPC blows adjacent circuits

    Started by rimcanyon, 06-27-2020 08:39 PM
    3 Pages
    1 2 3
    • Replies: 51
    • Views: 3,379
    07-30-2020, 04:57 AM Go to last post
  20. Three speed motor for Smart Brown lathe

    Started by beckerkumm, 07-29-2020 10:52 PM
    motor, power, speed, windings, work
    • Replies: 1
    • Views: 248
    07-30-2020, 03:26 AM Go to last post
  21. Starkstrom starter help

    Started by Mr.Green, 07-29-2020 04:53 PM
    starkstrom, starter, dls, older, stuff
    • Replies: 6
    • Views: 311
    07-29-2020, 10:59 PM Go to last post
  22. Miller CP-200 208/230v converted to 240v single phase

    Started by CRJarvis, 04-29-2018 03:08 PM
    2 Pages
    1 2
    • Replies: 22
    • Views: 6,475
    07-29-2020, 10:27 PM Go to last post
  23. looking for a molex crimp tool, that isn't $350

    Started by Cole2534, 05-14-2020 11:04 AM
    $350, crimp, crimper, good, molex
    • Replies: 15
    • Views: 1,001
    07-27-2020, 12:47 PM Go to last post
  24. Teco l510 vfd

    Started by Bellaru433, 07-20-2020 10:27 PM
    call, technical, thing, type, vfd
    • Replies: 16
    • Views: 860
    07-26-2020, 04:09 PM Go to last post
  25. Cost to change to VFD?

    Started by taltexan, 07-23-2020 05:35 PM
    • Replies: 11
    • Views: 653
    07-25-2020, 06:44 PM Go to last post
  26. Performing Magic with TECO L510 VFD

    Started by fileophile, 07-25-2020 09:56 AM
    momentary, rev, switch, teco, vfd
    • Replies: 4
    • Views: 360
    07-25-2020, 06:41 PM Go to last post
  27. Need help troubleshooting reversing motor

    Started by CountryBoy19, 07-22-2020 10:26 PM
    capacitor, contactor, direction, motor, yellow
    • Replies: 7
    • Views: 541
    07-23-2020, 09:11 PM Go to last post
  28. 3 phase motor wiring questions

    Started by roll-a-leblond, 07-16-2020 02:37 PM
    drill, motor, phase, set, wires
    • Replies: 9
    • Views: 773
    07-23-2020, 07:30 PM Go to last post
    • Replies: 13
    • Views: 660
    07-22-2020, 08:36 AM Go to last post
  29. Electric Motor Shudders When Stopping.

    Started by atomarc, 07-15-2020 07:59 PM
    2 Pages
    1 2
    applied, coasting, kind, motor, switch
    • Replies: 23
    • Views: 1,786
    07-21-2020, 01:23 PM Go to last post
  30. Pony Motor Question - 25 HP RPC

    Started by Balvar24, 02-25-2020 03:40 PM
    3 Pages
    1 2 3
    • Replies: 57
    • Views: 5,588
    07-21-2020, 11:29 AM Go to last post
  31. Low voltage application- wye or delta

    Started by Don Gitzel, 06-06-2020 06:40 PM
    • Replies: 11
    • Views: 1,556
    07-20-2020, 03:23 PM Go to last post
  32. 480v 3ph in the home shop

    Started by austin136, 07-14-2020 02:42 PM
    • Replies: 16
    • Views: 1,221
    07-18-2020, 03:15 PM Go to last post
    • Replies: 1
    • Views: 981
    07-16-2020, 06:27 PM Go to last post
    • Replies: 2
    • Views: 424
    07-16-2020, 03:05 PM Go to last post
    • Replies: 14
    • Views: 737
    07-15-2020, 03:38 PM Go to last post

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