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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: 381,697
    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: 9,259
    08-02-2017, 05:05 PM Go to last post
    • Replies: 0
    • Views: 5,977
    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: 9,906
    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: 18,051
    02-23-2013, 10:31 AM Go to last post
  1. wiring 110v

    Started by jstef, 12-07-2019 04:53 PM
    • Replies: 8
    • Views: 243
    12-08-2019, 12:06 AM Go to last post
    • Replies: 12
    • Views: 874
    12-08-2019, 12:01 AM Go to last post
    • Replies: 2
    • Views: 131
    12-07-2019, 11:53 PM Go to last post
  2. Where to get motor leads, labels and varnish?

    Started by Doug W, 12-07-2019 04:21 PM
    euro, lead, leads, motor, solid
    • Replies: 3
    • Views: 150
    12-07-2019, 05:49 PM Go to last post
  3. Buck/Boost to Phase Perfect

    Started by Rick Finsta, 10-24-2019 05:08 PM
    120v/95v/195v, ground, legs, perfect, phase
    • Replies: 17
    • Views: 1,489
    12-07-2019, 01:06 PM Go to last post
    • Replies: 4
    • Views: 192
    12-07-2019, 02:42 AM Go to last post
    • Replies: 15
    • Views: 975
    12-07-2019, 02:28 AM Go to last post
  4. 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: 791
    12-06-2019, 11:54 PM Go to last post
    • Replies: 8
    • Views: 367
    12-06-2019, 08:50 PM Go to last post
  5. thoughts on this new motor design?

    Started by tomjelly, 12-06-2019 08:53 AM
    design, motor, potential, thoughts
    • Replies: 8
    • Views: 358
    12-06-2019, 05:17 PM Go to last post
  6. static phase converter.

    Started by winger, 12-01-2019 10:04 PM
    converter, grinder, rotary, run, start
    • Replies: 6
    • Views: 390
    12-06-2019, 04:01 AM Go to last post
  7. 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: 434
    12-05-2019, 08:28 PM Go to last post
  8. 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: 1,310
    12-05-2019, 06:53 AM Go to last post
    • Replies: 15
    • Views: 600
    12-04-2019, 01:42 AM Go to last post
    • Replies: 33
    • Views: 10,564
    12-03-2019, 09:52 PM Go to last post
  9. Help with Compressor Motor Capacitor/s

    Started by bobinyelm, 11-25-2019 01:55 AM
    • Replies: 9
    • Views: 640
    12-03-2019, 07:03 PM Go to last post
  10. Connecting a 3-Phase switch

    Started by Chris Hall, 11-29-2019 12:32 PM
    • Replies: 9
    • Views: 482
    12-03-2019, 07:00 PM Go to last post
    • Replies: 3
    • Views: 291
    12-03-2019, 06:51 PM Go to last post
  11. 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: 2,135
    12-03-2019, 08:06 AM Go to last post
  12. 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: 1,378
    12-02-2019, 08:33 AM Go to last post
  13. VFD with breaker on output...?

    Started by GregSY, 11-30-2019 08:49 PM
    load, motor, phase, switch, vfd
    • Replies: 14
    • Views: 603
    12-02-2019, 03:42 AM Go to last post
  14. VFD install on Mori MR2000 Lathe

    Started by motion guru, 01-11-2014 05:28 PM
    • Replies: 4
    • Views: 2,624
    12-01-2019, 05:57 PM Go to last post
  15. Motor windings insulation

    Started by Waterworks, 11-30-2019 08:27 AM
    black, insulation, motor, stuff, windings
    • Replies: 5
    • Views: 387
    12-01-2019, 06:57 AM Go to last post
  16. 10 Hp motor start switch

    Started by longrangejon, 11-29-2019 10:07 AM
    motor, start, switch, trouble, wondering
    • Replies: 0
    • Views: 219
    11-29-2019, 10:07 AM Go to last post
  17. Modern Electronics

    Started by jpitz31, 11-27-2019 11:47 AM
    bars, bus, modern, relays, switches
    • Replies: 0
    • Views: 236
    11-27-2019, 11:47 AM Go to last post
  18. 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: 2,824
    11-27-2019, 03:36 AM Go to last post
  19. fitch williams 10 hp converter

    Started by levi88, 10-18-2005 04:00 AM
    • Replies: 13
    • Views: 1,863
    11-27-2019, 02:08 AM Go to last post
  20. 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: 1,606
    11-27-2019, 01:17 AM Go to last post
  21. Transformer size question-conflicting info?

    Started by CLANG, 05-24-2011 04:44 AM
    2 Pages
    1 2
    • Replies: 21
    • Views: 2,808
    11-26-2019, 09:41 AM Go to last post
  22. DIY Rotary converter problems

    Started by Homer73, 11-24-2019 08:33 PM
    full, lathe, mill, phase converter., start
    • Replies: 4
    • Views: 366
    11-26-2019, 09:28 AM Go to last post
  23. RPC Panel -- Which manufacturer?

    Started by Grenade, 11-21-2019 02:18 AM
    converters/panels, manufacturer, panel, rpc, throw
    • Replies: 3
    • Views: 465
    11-24-2019, 06:32 AM Go to last post
    • Replies: 1
    • Views: 245
    11-23-2019, 04:37 PM Go to last post
  24. Citizen Cincom F12 3 Phase Power

    Started by LIFTED, 11-08-2019 06:17 PM
    • Replies: 5
    • Views: 546
    11-22-2019, 06:52 PM Go to last post
  25. Can I use a 1.5kW or 2kW VFD for a 0.6kW load?

    Started by ballen, 11-19-2019 11:50 AM
    230v, inverter, max, motors, nameplate
    • Replies: 5
    • Views: 395
    11-21-2019, 11:13 AM Go to last post
  26. Testing 3 Phase Motor Windings

    Started by TravisR100, 11-17-2019 01:21 PM
    3 Pages
    1 2 3
    ohms, resistance, result, tied, windings
    • Replies: 40
    • Views: 1,629
    11-21-2019, 01:08 AM Go to last post
  27. 550 Volts for a 380 Volt lathe

    Started by Tipsy, 11-19-2019 12:01 AM
    • Replies: 8
    • Views: 596
    11-21-2019, 12:14 AM Go to last post
  28. Reversing an old hand drill

    Started by Pappanick, 11-19-2019 05:25 PM
    110v, drill, hand, single, speed
    • Replies: 2
    • Views: 337
    11-20-2019, 06:07 PM Go to last post
  29. Successful Miller CP300 Welder Haas-Kamp Single Phase Conversion

    Started by ksimolo, 07-18-2013 09:07 PM
    2 Pages
    1 2
    • Replies: 25
    • Views: 21,469
    11-20-2019, 01:14 AM Go to last post
  30. phase converter quieter when vertical...

    Started by hahnpv, 11-16-2019 03:59 PM
    • Replies: 13
    • Views: 1,057
    11-19-2019, 12:01 PM Go to last post
  31. Help, What is this? Phase generator?

    Started by EarlF, 11-07-2019 02:57 PM
    • Replies: 15
    • Views: 1,096
    11-17-2019, 10:45 PM Go to last post

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