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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: 429,933
    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: 2,923
    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: 16,477
    08-02-2017, 04:05 PM Go to last post
    • Replies: 0
    • Views: 9,539
    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: 13,572
    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: 21,657
    02-23-2013, 10:31 AM Go to last post
  1. Dual float pump control

    Started by R8f1k, 06-20-2021 09:10 PM
    • Replies: 1
    • Views: 44
    06-20-2021, 09:46 PM Go to last post
  2. Optical sensor for conveyor

    Started by R8f1k, 06-19-2021 08:38 AM
    automatically, conveyor, optical, thoughts, turn
    • Replies: 3
    • Views: 152
    06-20-2021, 09:34 PM Go to last post
    • Replies: 14
    • Views: 1,784
    06-20-2021, 03:51 PM Go to last post
  3. Buck/Boost Transformer sizing

    Started by Fish On, 06-14-2021 05:59 PM
    • Replies: 14
    • Views: 679
    06-20-2021, 03:39 PM Go to last post
  4. sizing SSR's?

    Started by stephen thomas, 06-14-2021 10:48 AM
    80a, ampacity, favor, sizing, temp
    • Replies: 8
    • Views: 566
    06-20-2021, 03:07 PM Go to last post
  5. Rewiring from 3 phase 440 to 220 help!

    Started by mmarmino, 06-19-2021 01:01 PM
    • Replies: 11
    • Views: 428
    06-20-2021, 02:00 PM Go to last post
    • Replies: 20
    • Views: 569
    06-19-2021, 07:53 PM Go to last post
  6. Unhappy Can't find electrical short

    Started by htech, 06-18-2021 12:10 PM
    board, circuit, relay, volt, wired
    • Replies: 4
    • Views: 209
    06-18-2021, 03:48 PM Go to last post
  7. American Rotary ADX 25 converter and 20hp Powerturn

    Started by AndyF, 06-13-2021 09:32 PM
    american, converter, lathe, phase, rotary
    • Replies: 4
    • Views: 205
    06-18-2021, 01:22 PM Go to last post
    • Replies: 1
    • Views: 180
    06-17-2021, 08:52 AM Go to last post
  8. Neutral awg size for Auto transformer

    Started by CosmosK, 04-30-2021 12:34 PM
    • Replies: 11
    • Views: 817
    06-16-2021, 10:44 AM Go to last post
  9. 230/240V to 200V for auto oiler.

    Started by rbmgf7, 06-14-2021 09:40 AM
    200v, auto, minute, oiler, worked
    • Replies: 3
    • Views: 265
    06-15-2021, 01:56 AM Go to last post
  10. 3-phase Xfrmr to condition output of RPC

    Started by specfab, 06-13-2021 02:26 PM
    3-phase, mill, rpc, transformer, tree
    • Replies: 5
    • Views: 254
    06-14-2021, 10:43 PM Go to last post
  11. Weiler matador transformer

    Started by ulquiorra, 06-12-2021 07:50 AM
    • Replies: 9
    • Views: 266
    06-13-2021, 10:20 AM Go to last post
    • Replies: 13
    • Views: 699
    06-11-2021, 08:52 PM Go to last post
  12. Fluxmaster 100 not powering up

    Started by evets275, 06-10-2021 11:54 AM
    checked, display, fluxmaster, power, voltage
    • Replies: 3
    • Views: 230
    06-10-2021, 11:02 PM Go to last post
  13. Temco xr3 troubleshooting

    Started by metalanton, 06-06-2021 06:40 PM
    • Replies: 5
    • Views: 281
    06-10-2021, 03:25 PM Go to last post
  14. Push button controls for a bin tipper

    Started by R8f1k, 06-08-2021 10:52 PM
    • Replies: 9
    • Views: 345
    06-09-2021, 05:11 PM Go to last post
  15. Tree Journeyman 325: motor vs. spindle speed

    Started by rbmgf7, 06-09-2021 02:56 PM
    6000rpms, motor, speed, spindle, tree
    • Replies: 0
    • Views: 180
    06-09-2021, 02:56 PM Go to last post
  16. 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: 1,412
    06-07-2021, 08:59 AM Go to last post
  17. slowing down split phase motor.

    Started by Bill D, 06-05-2021 06:59 PM
    fan, motor, phase, rpm, switch
    • Replies: 7
    • Views: 620
    06-07-2021, 08:19 AM Go to last post
    • Replies: 19
    • Views: 667
    06-06-2021, 10:42 PM Go to last post
  18. old motor with Dings electromagnetic brake

    Started by metalmagpie, 06-02-2021 07:56 PM
    brake, dings, leads, motor, wiring
    • Replies: 4
    • Views: 374
    06-04-2021, 09:56 PM Go to last post
    • Replies: 8
    • Views: 577
    06-03-2021, 05:10 AM Go to last post
  19. 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: 1,093
    06-01-2021, 08:41 PM Go to last post
  20. 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: 1,276
    05-30-2021, 10:42 PM Go to last post
  21. Soft starter question

    Started by AndyF, 05-30-2021 10:17 AM
    15hp, converter, lathe, motor, phase
    • Replies: 1
    • Views: 242
    05-30-2021, 12:01 PM Go to last post
  22. Soft starter question

    Started by AndyF, 05-30-2021 10:52 AM
    15hp, converter, lathe, motor, phase
    • Replies: 0
    • Views: 193
    05-30-2021, 10:52 AM Go to last post
  23. 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: 233
    05-29-2021, 05:24 PM Go to last post
  24. Romi 13-5 460v to 230v

    Started by Dalt1028, 05-27-2021 06:08 AM
    13-5, 230v, change, phase, romi
    • Replies: 7
    • Views: 610
    05-29-2021, 09:30 AM Go to last post
  25. 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: 1,470
    05-28-2021, 10:41 AM Go to last post
  26. 220 1 phase motor issues

    Started by Fred V, 05-22-2021 12:31 PM
    • Replies: 13
    • Views: 985
    05-28-2021, 07:41 AM Go to last post
  27. Difficulty in understanding schematic symbol

    Started by alphonso, 04-22-2021 04:01 PM
    2 Pages
    1 2
    • Replies: 39
    • Views: 2,087
    05-28-2021, 01:07 AM Go to last post
  28. 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: 22,578
    05-27-2021, 04:08 PM Go to last post
  29. Overload reset on old starter

    Started by rke[pler, 05-25-2021 06:41 PM
    • Replies: 7
    • Views: 821
    05-27-2021, 02:56 PM Go to last post
  30. Single phase 120VAC compressor motor problem

    Started by Froneck, 05-23-2021 07:56 AM
    air, compressor, oil, outlet, pulley
    • Replies: 16
    • Views: 835
    05-27-2021, 07:26 AM Go to last post
  31. Magnetic insulation

    Started by Froneck, 05-24-2021 06:39 PM
    aluminum, half, made, magnet, steel
    • Replies: 7
    • Views: 640
    05-26-2021, 12:01 AM Go to last post
  32. 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: 407
    05-24-2021, 12:12 PM Go to last post
  33. 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: 449
    05-22-2021, 07:03 PM Go to last post
  34. 30hp ADX problem. American Rotary

    Started by toolmaker, 05-19-2021 11:05 AM
    • Replies: 16
    • Views: 839
    05-22-2021, 06:46 AM Go to last post

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