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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: 195
    • Views: 429,576
    02-03-2021, 02:21 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: 2,887
    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: 16,377
    08-02-2017, 04:05 PM Go to last post
    • Replies: 0
    • Views: 9,481
    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: 13,514
    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: 21,612
    02-23-2013, 10:31 AM Go to last post
  1. 3-phase Xfrmr to condition output of RPC

    Started by specfab, 06-13-2021 02:26 PM
    3-phase, mill, rpc, transformer, tree
    • Replies: 0
    • Views: 48
    06-13-2021, 02:26 PM Go to last post
  2. Weiler matador transformer

    Started by ulquiorra, 06-12-2021 07:50 AM
    • Replies: 9
    • Views: 181
    06-13-2021, 10:20 AM Go to last post
    • Replies: 13
    • Views: 628
    06-11-2021, 08:52 PM Go to last post
  3. Fluxmaster 100 not powering up

    Started by evets275, 06-10-2021 11:54 AM
    checked, display, fluxmaster, power, voltage
    • Replies: 3
    • Views: 178
    06-10-2021, 11:02 PM Go to last post
  4. Temco xr3 troubleshooting

    Started by metalanton, 06-06-2021 06:40 PM
    • Replies: 5
    • Views: 241
    06-10-2021, 03:25 PM Go to last post
  5. Push button controls for a bin tipper

    Started by R8f1k, 06-08-2021 10:52 PM
    • Replies: 9
    • Views: 292
    06-09-2021, 05:11 PM Go to last post
  6. Tree Journeyman 325: motor vs. spindle speed

    Started by rbmgf7, 06-09-2021 02:56 PM
    6000rpms, motor, speed, spindle, tree
    • Replies: 0
    • Views: 115
    06-09-2021, 02:56 PM Go to last post
  7. Slowing a machine down.

    Started by Ultradog MN, 06-05-2021 07:14 AM
    2 Pages
    1 2
    machine, maintain, pully, slow, speed
    • Replies: 28
    • Views: 1,334
    06-07-2021, 08:59 AM Go to last post
  8. slowing down split phase motor.

    Started by Bill D, 06-05-2021 06:59 PM
    fan, motor, phase, rpm, switch
    • Replies: 7
    • Views: 560
    06-07-2021, 08:19 AM Go to last post
    • Replies: 19
    • Views: 596
    06-06-2021, 10:42 PM Go to last post
  9. old motor with Dings electromagnetic brake

    Started by metalmagpie, 06-02-2021 07:56 PM
    brake, dings, leads, motor, wiring
    • Replies: 4
    • Views: 331
    06-04-2021, 09:56 PM Go to last post
    • Replies: 8
    • Views: 518
    06-03-2021, 05:10 AM Go to last post
  10. 2hp Bridgeport - VFD vs Static phase converter

    Started by dstig, 05-10-2021 01:10 AM
    2 Pages
    1 2
    converter, options, power, static, vfd
    • Replies: 24
    • Views: 1,013
    06-01-2021, 08:41 PM Go to last post
  11. Contactorless cp-302 single phase conversion

    Started by Taylor.w.m, 04-06-2019 09:07 AM
    contactorless, cp-302, i’ve, phase, read
    • Replies: 4
    • Views: 1,236
    05-30-2021, 10:42 PM Go to last post
  12. Soft starter question

    Started by AndyF, 05-30-2021 10:17 AM
    15hp, converter, lathe, motor, phase
    • Replies: 1
    • Views: 197
    05-30-2021, 12:01 PM Go to last post
  13. Soft starter question

    Started by AndyF, 05-30-2021 10:52 AM
    15hp, converter, lathe, motor, phase
    • Replies: 0
    • Views: 155
    05-30-2021, 10:52 AM Go to last post
  14. 120/208 20A plug and socket 5 wire for trade

    Started by Froneck, 05-29-2021 05:24 PM
    120/208, 20amp, plug, socket, wire
    • Replies: 0
    • Views: 190
    05-29-2021, 05:24 PM Go to last post
  15. Romi 13-5 460v to 230v

    Started by Dalt1028, 05-27-2021 06:08 AM
    13-5, 230v, change, phase, romi
    • Replies: 7
    • Views: 565
    05-29-2021, 09:30 AM Go to last post
  16. Rotary Phase Converter Starting problems...but only sometimes.

    Started by condition001, 05-03-2021 07:25 PM
    2 Pages
    1 2
    phase converter, rotor lock, rpc, single-phasing, won't start
    • Replies: 25
    • Views: 1,409
    05-28-2021, 10:41 AM Go to last post
  17. 220 1 phase motor issues

    Started by Fred V, 05-22-2021 12:31 PM
    • Replies: 13
    • Views: 927
    05-28-2021, 07:41 AM Go to last post
  18. Difficulty in understanding schematic symbol

    Started by alphonso, 04-22-2021 04:01 PM
    2 Pages
    1 2
    • Replies: 39
    • Views: 2,038
    05-28-2021, 01:07 AM Go to last post
  19. Lincoln CV-400 on single phase...

    Started by CADman_KS, 12-10-2014 07:54 PM
    4 Pages
    1 2 3 ... 4
    • Replies: 68
    • Views: 22,509
    05-27-2021, 04:08 PM Go to last post
  20. Overload reset on old starter

    Started by rke[pler, 05-25-2021 06:41 PM
    • Replies: 7
    • Views: 783
    05-27-2021, 02:56 PM Go to last post
  21. Single phase 120VAC compressor motor problem

    Started by Froneck, 05-23-2021 07:56 AM
    air, compressor, oil, outlet, pulley
    • Replies: 16
    • Views: 780
    05-27-2021, 07:26 AM Go to last post
  22. Magnetic insulation

    Started by Froneck, 05-24-2021 06:39 PM
    aluminum, half, made, magnet, steel
    • Replies: 7
    • Views: 591
    05-26-2021, 12:01 AM Go to last post
  23. Question Delta 20 band saw - need run/start cap values

    Started by pincusa, 05-22-2021 11:43 AM
    caps, delta, motor, start, values
    • Replies: 3
    • Views: 365
    05-24-2021, 12:12 PM Go to last post
  24. Start/Runn Circuit Design for Old IR Compressor

    Started by rpseguin, 05-21-2021 09:01 PM
    start/stop, switch, compressor, circuit, simple
    • Replies: 7
    • Views: 406
    05-22-2021, 07:03 PM Go to last post
  25. 30hp ADX problem. American Rotary

    Started by toolmaker, 05-19-2021 11:05 AM
    • Replies: 16
    • Views: 775
    05-22-2021, 06:46 AM Go to last post
    • Replies: 0
    • Views: 162
    05-21-2021, 07:51 AM Go to last post
  26. Motor capacitor question

    Started by Ray Behner, 05-19-2021 02:14 PM
    capacitor, hone, motor, question, sunnen
    • Replies: 11
    • Views: 889
    05-21-2021, 12:34 AM Go to last post
  27. Compressor requires symmetrical 3-phase power?

    Started by Palak, 05-14-2021 11:22 AM
    3-phase, compressor, high-leg, power, symmetrical
    • Replies: 11
    • Views: 716
    05-16-2021, 07:14 PM Go to last post
    • Replies: 3
    • Views: 308
    05-16-2021, 02:35 PM Go to last post
    • Replies: 16
    • Views: 868
    05-15-2021, 07:55 PM Go to last post
    • Replies: 14
    • Views: 649
    05-15-2021, 01:05 PM Go to last post
    • Replies: 17
    • Views: 12,392
    05-14-2021, 12:47 AM Go to last post
  28. What color wire guide do you use ?

    Started by rons, 05-06-2021 01:29 PM
    2 Pages
    1 2
    • Replies: 23
    • Views: 1,244
    05-13-2021, 11:01 AM Go to last post
  29. Help Needed Sizing Transformer & RPC Question

    Started by Kirt, 05-13-2021 09:30 AM
    comments, rpc, speed, transformer, volt
    • Replies: 0
    • Views: 201
    05-13-2021, 09:30 AM Go to last post
  30. PAM-300 problem

    Started by jstef, 05-08-2021 03:42 PM
    milling machine, pam-300, phase converter, phase-a-matic, static
    • Replies: 2
    • Views: 309
    05-09-2021, 01:29 PM Go to last post
  31. Potential Relay Sticking

    Started by Henruu, 05-08-2021 03:50 PM
    caps, neutral, potential, relay, switch
    • Replies: 5
    • Views: 446
    05-09-2021, 09:42 AM Go to last post
  32. Sizing supplemental circuit breaker for 220v Power Feed

    Started by PreciseHack, 05-02-2021 09:07 PM
    2 Pages
    1 2
    • Replies: 29
    • Views: 1,123
    05-07-2021, 08:28 AM Go to last post

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