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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 01:46 AM
    10 Pages
    1 2 3 ... 10
    • Replies: 180
    • Views: 382,193
    06-11-2019, 11:05 AM Go to last post
  2. Sticky Thread Sticky: Huanyang VFDs.... Banned from discussion

    Started by JST, 08-02-2017 05:05 PM
    banned, huanyang, sold, units, vfds
    • Replies: 0
    • Views: 9,325
    08-02-2017, 05:05 PM Go to last post
    • Replies: 0
    • Views: 6,026
    04-03-2017, 02:11 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 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: 9,959
    01-10-2016, 01:09 AM Go to last post
  4. Sticky Thread Sticky: A reminder.... please make your thread title meaningful

    Started by JST, 02-23-2013 10:31 AM
    • Replies: 0
    • Views: 18,094
    02-23-2013, 10:31 AM Go to last post
  1. Supco potental relay in rpc.

    Started by 4miller1, 12-12-2019 10:17 PM
    • Replies: 3
    • Views: 139
    12-13-2019, 11:51 AM Go to last post
  2. Selling a Phase Technology DPC 20

    Started by Gackman, 12-13-2019 10:54 AM
    delta/wye, dpc, leg, longer, transformer
    • Replies: 0
    • Views: 42
    12-13-2019, 10:54 AM Go to last post
    • Replies: 8
    • Views: 169
    12-13-2019, 09:46 AM Go to last post
  3. Hitachi VFD Question

    Started by PeterH48, 12-12-2019 08:37 AM
    code, drill, phase, switch, wires
    • Replies: 5
    • Views: 197
    12-13-2019, 08:49 AM Go to last post
    • Replies: 12
    • Views: 458
    12-12-2019, 06:22 PM Go to last post
  4. reverse switch wiring

    Started by mechdraw69, 01-31-2018 07:39 PM
    • Replies: 16
    • Views: 1,652
    12-12-2019, 06:02 PM Go to last post
    • Replies: 14
    • Views: 1,149
    12-12-2019, 04:48 PM Go to last post
  5. Cost of running: 5HP vs. 10HP?

    Started by DocsMachine, 12-11-2019 06:35 AM
    10hp, 3-phase, 5hp, cost, motor
    • Replies: 10
    • Views: 449
    12-12-2019, 04:28 PM Go to last post
  6. Question Wood thicknesser re-power in Australia (50hz)

    Started by Ex-Pat, 12-10-2019 11:17 PM
    motor, phase, single, unit, vfd
    • Replies: 10
    • Views: 548
    12-11-2019, 10:13 PM Go to last post
  7. Buck/Boost to Phase Perfect

    Started by Rick Finsta, 10-24-2019 05:08 PM
    2 Pages
    1 2
    120v/95v/195v, ground, legs, perfect, phase
    • Replies: 23
    • Views: 1,764
    12-11-2019, 09:14 PM Go to last post
  8. Possible to isolate Phase-Perfect generated noise from the mains?

    Started by wheelieking71, 09-26-2019 10:58 AM
    5 Pages
    1 2 3 ... 5
    • Replies: 90
    • Views: 3,324
    12-11-2019, 07:57 PM Go to last post
  9. Switch 220V Input to VFD

    Started by rambo2_981, 12-11-2019 08:26 AM
    220v, configuration, input, phase, vfd
    • Replies: 1
    • Views: 123
    12-11-2019, 09:55 AM Go to last post
  10. Vfd on mazak ace lathe

    Started by ronwilliams05, 12-10-2019 10:39 PM
    buying, mazak, vfd, work
    • Replies: 1
    • Views: 167
    12-10-2019, 10:58 PM Go to last post
    • Replies: 13
    • Views: 494
    12-10-2019, 01:27 PM Go to last post
    • Replies: 2
    • Views: 192
    12-09-2019, 04:44 PM Go to last post
    • Replies: 7
    • Views: 358
    12-09-2019, 03:28 PM Go to last post
  11. Video of electric motor manufacture

    Started by TDegenhart, 12-08-2019 10:17 PM
    electric, manufacture, motor, tom, video
    • Replies: 0
    • Views: 167
    12-08-2019, 10:17 PM Go to last post
  12. Where to get motor leads, labels and varnish?

    Started by Doug W, 12-07-2019 04:21 PM
    euro, lead, leads, motor, solid
    • Replies: 4
    • Views: 359
    12-08-2019, 04:05 AM Go to last post
  13. wiring 110v

    Started by jstef, 12-07-2019 04:53 PM
    • Replies: 8
    • Views: 432
    12-08-2019, 12:06 AM Go to last post
  14. New 440 only lathe needs step up xfmr

    Started by Rob F., 12-04-2019 02:21 PM
    2 Pages
    1 2
    • Replies: 24
    • Views: 871
    12-06-2019, 11:54 PM Go to last post
    • Replies: 8
    • Views: 432
    12-06-2019, 08:50 PM Go to last post
  15. thoughts on this new motor design?

    Started by tomjelly, 12-06-2019 08:53 AM
    design, motor, potential, thoughts
    • Replies: 8
    • Views: 458
    12-06-2019, 05:17 PM Go to last post
  16. static phase converter.

    Started by winger, 12-01-2019 10:04 PM
    converter, grinder, rotary, run, start
    • Replies: 6
    • Views: 444
    12-06-2019, 04:01 AM Go to last post
  17. Can a series wound DC motor be used as a brake?

    Started by Garwood, 12-04-2019 01:53 PM
    brake, holding, motor, series, wound
    • Replies: 14
    • Views: 486
    12-05-2019, 08:28 PM Go to last post
  18. How effective is VFD braking?

    Started by Billbo, 11-27-2019 03:32 PM
    2 Pages
    1 2
    brake, braking, stop, vfd, vfd brake
    • Replies: 25
    • Views: 1,391
    12-05-2019, 06:53 AM Go to last post
    • Replies: 15
    • Views: 654
    12-04-2019, 01:42 AM Go to last post
    • Replies: 33
    • Views: 10,671
    12-03-2019, 09:52 PM Go to last post
  19. Help with Compressor Motor Capacitor/s

    Started by bobinyelm, 11-25-2019 01:55 AM
    • Replies: 9
    • Views: 692
    12-03-2019, 07:03 PM Go to last post
  20. Connecting a 3-Phase switch

    Started by Chris Hall, 11-29-2019 12:32 PM
    • Replies: 9
    • Views: 526
    12-03-2019, 07:00 PM Go to last post
    • Replies: 3
    • Views: 325
    12-03-2019, 06:51 PM Go to last post
  21. Sizing start & run capacitors for 100hp 3 Phase motor

    Started by newbea, 11-29-2019 08:40 AM
    4 Pages
    1 2 3 ... 4
    • Replies: 72
    • Views: 2,253
    12-03-2019, 08:06 AM Go to last post
  22. Experiment in home shop motor balancing

    Started by TravisR100, 11-22-2019 11:31 AM
    2 Pages
    1 2
    motor, vibration, weight, values, axis
    • Replies: 27
    • Views: 1,462
    12-02-2019, 08:33 AM Go to last post
  23. VFD with breaker on output...?

    Started by GregSY, 11-30-2019 08:49 PM
    load, motor, phase, switch, vfd
    • Replies: 14
    • Views: 670
    12-02-2019, 03:42 AM Go to last post
  24. VFD install on Mori MR2000 Lathe

    Started by motion guru, 01-11-2014 05:28 PM
    • Replies: 4
    • Views: 2,678
    12-01-2019, 05:57 PM Go to last post
  25. Motor windings insulation

    Started by Waterworks, 11-30-2019 08:27 AM
    black, insulation, motor, stuff, windings
    • Replies: 5
    • Views: 424
    12-01-2019, 06:57 AM Go to last post
  26. 10 Hp motor start switch

    Started by longrangejon, 11-29-2019 10:07 AM
    motor, start, switch, trouble, wondering
    • Replies: 0
    • Views: 257
    11-29-2019, 10:07 AM Go to last post
  27. Modern Electronics

    Started by jpitz31, 11-27-2019 11:47 AM
    bars, bus, modern, relays, switches
    • Replies: 0
    • Views: 269
    11-27-2019, 11:47 AM Go to last post
  28. Solid State Relays Instead of Contactor?

    Started by rpseguin, 11-17-2019 02:09 PM
    3 Pages
    1 2 3
    contactor, solid, state, relays, wondering
    • Replies: 56
    • Views: 2,929
    11-27-2019, 03:36 AM Go to last post
  29. fitch williams 10 hp converter

    Started by levi88, 10-18-2005 04:00 AM
    • Replies: 13
    • Views: 1,925
    11-27-2019, 02:08 AM Go to last post
  30. Best way to clean electric motor windings

    Started by Doug W, 11-20-2019 08:40 PM
    2 Pages
    1 2
    black, clean, motor, thrown, windings
    • Replies: 27
    • Views: 1,676
    11-27-2019, 01:17 AM Go to last post

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