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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: 180
    • Views: 366,593
    06-11-2019, 10:05 AM Go to last post
  2. 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: 7,289
    08-02-2017, 04:05 PM Go to last post
    • Replies: 0
    • Views: 4,963
    04-03-2017, 01:11 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 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: 8,746
    01-10-2016, 12:09 AM Go to last post
  4. Sticky Thread Sticky: A reminder.... please make your thread title meaningful

    Started by JST, 02-23-2013 09:31 AM
    • Replies: 0
    • Views: 16,572
    02-23-2013, 09:31 AM Go to last post
  1. 240/480 from a single RPC w/o transformer?

    Started by TDegenhart, 06-26-2019 02:44 PM
    motor, phase, volt, voltage, volts
    • Replies: 3
    • Views: 94
    06-26-2019, 07:46 PM Go to last post
    • Replies: 6
    • Views: 399
    06-26-2019, 06:50 PM Go to last post
    • Replies: 17
    • Views: 23,308
    06-26-2019, 04:33 PM Go to last post
  2. Smart and Brown 1024 VSL

    Started by George Liquor, 06-05-2019 11:03 AM
    2 Pages
    1 2
    110v, 240v, side, tansformer, things
    • Replies: 33
    • Views: 1,487
    06-25-2019, 04:09 PM Go to last post
    • Replies: 7
    • Views: 280
    06-25-2019, 12:25 PM Go to last post
  3. VFD Ramp Times with high enertia loads?

    Started by rons, 06-22-2019 10:24 AM
    equal, numbers, searched, seconds, times
    • Replies: 17
    • Views: 475
    06-24-2019, 04:06 PM Go to last post
  4. 50Hz versus 60Hz and power generation needed question

    Started by Milacron, 05-24-2019 07:56 AM
    4 Pages
    1 2 3 ... 4
    10%, means, motors, power, savings
    • Replies: 60
    • Views: 3,235
    06-23-2019, 08:20 PM Go to last post
    • Replies: 67
    • Views: 3,528
    06-23-2019, 01:49 PM Go to last post
  5. Opinions on lower cost VFDs?

    Started by Solarbell, 08-07-2018 06:21 PM
    1ph, 230v, 3ph, input, vfds
    • Replies: 16
    • Views: 1,499
    06-23-2019, 11:17 AM Go to last post
  6. Help w/ new lathe motor - home shop

    Started by wild_musk, 06-21-2019 03:51 PM
    frame, motor, rpm, system, vfd
    • Replies: 17
    • Views: 554
    06-23-2019, 03:32 AM Go to last post
    • Replies: 8
    • Views: 740
    06-22-2019, 02:04 PM Go to last post
    • Replies: 15
    • Views: 978
    06-20-2019, 10:01 AM Go to last post
    • Replies: 6
    • Views: 704
    06-19-2019, 05:37 PM Go to last post
  7. No Load Motor Temperature Rise

    Started by ptsmith, 06-16-2019 10:30 PM
    2 Pages
    1 2
    • Replies: 24
    • Views: 931
    06-19-2019, 01:57 PM Go to last post
  8. 230v motor wiring

    Started by Adenrich24, 06-16-2019 04:22 PM
    • Replies: 10
    • Views: 680
    06-17-2019, 06:26 PM Go to last post
    • Replies: 18
    • Views: 661
    06-17-2019, 12:49 PM Go to last post
    • Replies: 7
    • Views: 430
    06-17-2019, 06:06 AM Go to last post
    • Replies: 12
    • Views: 443
    06-17-2019, 01:51 AM Go to last post
  9. OT Clamping diode on inductor

    Started by Jeremy, 06-07-2019 05:52 PM
    2 Pages
    1 2
    • Replies: 22
    • Views: 1,334
    06-16-2019, 12:33 PM Go to last post
  10. Plasma cutter with phase converter

    Started by MetalArtistCandy, 05-31-2019 08:21 PM
    converter, cutter, neighbor, phase, plasma
    • Replies: 4
    • Views: 571
    06-16-2019, 11:47 AM Go to last post
  11. Oscilloscope and power analyzers?

    Started by SND, 05-01-2019 05:56 AM
    4 Pages
    1 2 3 ... 4
    $10k, analyzers, fast, power, throw
    • Replies: 63
    • Views: 3,533
    06-15-2019, 01:55 PM Go to last post
  12. Hitachi WJ200 VFD Factory Restore Not Working

    Started by ptsmith, 06-12-2019 11:52 PM
    change, restore, set, vfd, wj200
    • Replies: 2
    • Views: 361
    06-14-2019, 10:19 PM Go to last post
  13. Transforming converter voltage

    Started by Don Gitzel, 06-13-2019 08:19 AM
    ground, phase, reference, transformer, voltage
    • Replies: 4
    • Views: 374
    06-14-2019, 09:10 AM Go to last post
  14. Contact cleaning

    Started by 9100, 06-04-2019 10:22 PM
    3 Pages
    1 2 3
    contact, contacts, leaves, loaded, switch
    • Replies: 40
    • Views: 1,694
    06-12-2019, 08:08 AM Go to last post
  15. Line reactor selection for singe phase

    Started by SND, 06-10-2019 04:32 AM
    1ph, half, reactor, running, side
    • Replies: 4
    • Views: 448
    06-12-2019, 05:31 AM Go to last post
  16. Self assembled rotary Phase Converter

    Started by Don Gitzel, 06-11-2019 10:15 PM
    • Replies: 1
    • Views: 313
    06-11-2019, 10:21 PM Go to last post
  17. Load checking a generator?

    Started by Cole2534, 06-11-2019 08:47 AM
    create, generator, load, output, test
    • Replies: 17
    • Views: 529
    06-11-2019, 09:55 PM Go to last post
  18. Self assembled

    Started by Don Gitzel, 06-11-2019 10:02 AM
    • Replies: 5
    • Views: 453
    06-11-2019, 09:19 PM Go to last post
    • Replies: 12
    • Views: 725
    06-11-2019, 11:06 AM Go to last post
  19. Reverse switch wiring help for newer motor on Logan lathe

    Started by jason lake, 07-08-2016 07:27 AM
    2 Pages
    1 2
    • Replies: 24
    • Views: 5,121
    06-09-2019, 07:17 PM Go to last post
  20. Pulse width modulation for a valve

    Started by YoungDen, 06-09-2019 09:04 AM
    easy, hydraulic, motor, pump, valve
    • Replies: 1
    • Views: 282
    06-09-2019, 01:30 PM Go to last post
    • Replies: 54
    • Views: 3,219
    06-08-2019, 10:41 PM Go to last post
  21. Miller deltaweld 450 converted to single phase

    Started by Troy25, 03-21-2018 09:06 PM
    2 Pages
    1 2
    • Replies: 26
    • Views: 3,127
    06-08-2019, 11:54 AM Go to last post
    • Replies: 0
    • Views: 260
    06-08-2019, 10:02 AM Go to last post
  22. Mag Starter help. Tree Mill

    Started by Ivan Vegvary, 06-05-2019 03:37 PM
    120v, 240v, mill, motor, power
    • Replies: 9
    • Views: 676
    06-06-2019, 03:16 PM Go to last post
  23. High leg three phase distribution

    Started by 9100, 06-03-2019 05:25 PM
    box, breakers, high, phase, service
    • Replies: 5
    • Views: 522
    06-04-2019, 11:55 PM Go to last post
  24. Problem with rotary converter hook up

    Started by skipjackbill, 06-04-2019 11:51 AM
    delta, lathe, motor, short, wired
    • Replies: 4
    • Views: 319
    06-04-2019, 11:02 PM Go to last post
  25. 3 Phase to single phase

    Started by alientrader1, 06-01-2019 12:00 PM
    converted, dave, lincoln, phase, single
    • Replies: 8
    • Views: 1,005
    06-03-2019, 10:07 PM Go to last post
  26. Half speed motor issue

    Started by Mr.Green, 05-28-2019 08:47 PM
    • Replies: 14
    • Views: 942
    06-01-2019, 11:20 PM Go to last post
    • Replies: 7
    • Views: 539
    05-31-2019, 11:39 PM Go to last post

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