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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, 09-20-2006 11:46 PM
    9 Pages
    1 2 3 ... 9
    • Replies: 170
    • Views: 312,277
    08-29-2017, 01:47 PM Go to last post
  2. Sticky Thread Sticky: Huanyang VFDs.... Banned from discussion

    Started by JST, 08-02-2017 03:05 PM
    banned, huanyang, sold, units, vfds
    • Replies: 0
    • Views: 1,198
    08-02-2017, 03:05 PM Go to last post
    • Replies: 0
    • Views: 1,946
    04-03-2017, 12:11 PM Go to last post
  3. Sticky Thread Sticky: Please keep threads to one subject as much as possible

    Started by JST, 01-09-2016 11:09 PM
    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: 5,856
    01-09-2016, 11:09 PM Go to last post
  4. Sticky Thread Sticky: A reminder.... please make your thread title meaningful

    Started by JST, 02-23-2013 08:31 AM
    • Replies: 0
    • Views: 13,086
    02-23-2013, 08:31 AM Go to last post
  1. Myford Lathe won't start - Inverter issue?

    Started by Mouth, 10-12-2017 06:43 AM
    • Replies: 16
    • Views: 399
    10-19-2017, 12:08 PM Go to last post
  2. Thinking about building a RPC

    Started by lin842, 10-16-2017 09:38 AM
    building, cost, difference, oven, phase
    • Replies: 15
    • Views: 441
    10-19-2017, 10:04 AM Go to last post
  3. Phase converter and transformer

    Started by specfab, 10-15-2017 04:24 PM
    converter, machine, phase, transformer, voltage
    • Replies: 5
    • Views: 319
    10-17-2017, 08:45 AM Go to last post
  4. Inrush Considerations

    Started by atomarc, 10-15-2017 05:43 PM
    greatly, inrush, installed, stepper, transformers
    • Replies: 13
    • Views: 475
    10-16-2017, 03:56 PM Go to last post
  5. Spindle locks up when I power up my RPC

    Started by skeeks, 10-11-2017 11:09 PM
    • Replies: 19
    • Views: 659
    10-14-2017, 12:03 AM Go to last post
  6. Phase converter

    Started by Stharp, 10-08-2017 07:28 AM
    2 Pages
    1 2
    converter, lathe, mill, phase, thought
    • Replies: 25
    • Views: 1,067
    10-13-2017, 05:15 AM Go to last post
    • Replies: 1
    • Views: 153
    10-13-2017, 12:02 AM Go to last post
    • Replies: 17
    • Views: 517
    10-12-2017, 07:06 PM Go to last post
  7. Question about Leblond Regal wiring

    Started by cfaw10, 03-04-2010 09:28 AM
    • Replies: 6
    • Views: 4,416
    10-11-2017, 04:11 PM Go to last post
  8. Best way to power up my new machine

    Started by CPIindustries, 10-11-2017 10:13 AM
    amp, breaker, phase, run, vfd
    • Replies: 6
    • Views: 320
    10-11-2017, 01:34 PM Go to last post
  9. surprising ease of running a big RPC

    Started by kd1yt, 10-08-2017 02:56 PM
    dimmed, lights, rpc, service, shop
    • Replies: 3
    • Views: 377
    10-11-2017, 11:20 AM Go to last post
  10. Compressor Start Capacitor value?

    Started by Hopefuldave, 10-10-2017 03:58 PM
    • Replies: 0
    • Views: 161
    10-10-2017, 03:58 PM Go to last post
  11. Wiring a single phase motor to drum switch

    Started by neilca, 05-09-2008 09:07 AM
    2 Pages
    1 2
    • Replies: 36
    • Views: 80,979
    10-10-2017, 09:18 AM Go to last post
  12. Need help wiring single phase lathe

    Started by MotoX, 09-30-2017 12:20 PM
    • Replies: 4
    • Views: 535
    10-10-2017, 09:11 AM Go to last post
  13. VFD for a fairly large lathe's motor

    Started by DaveTheSpring, 10-08-2017 07:29 PM
    • Replies: 10
    • Views: 461
    10-10-2017, 03:14 AM Go to last post
  14. Single or 3 Phase??? Austrian Motor Plate

    Started by eseattle, 10-06-2017 05:03 PM
    • Replies: 8
    • Views: 403
    10-09-2017, 10:53 AM Go to last post
  15. Need help wiring VFD

    Started by true temper, 10-08-2017 09:20 PM
    • Replies: 3
    • Views: 248
    10-09-2017, 09:39 AM Go to last post
  16. Feasability of repairing or scrapping blown VFD

    Started by atomarc, 10-03-2017 05:16 PM
    answer, cost, drive, small, thought
    • Replies: 16
    • Views: 909
    10-08-2017, 09:11 PM Go to last post
  17. Best wire type to run power to machines?

    Started by SND, 09-27-2017 09:43 AM
    • Replies: 7
    • Views: 679
    10-04-2017, 05:35 PM Go to last post
  18. Phase Perfect maintenance, capacitors, etc ?

    Started by SND, 10-03-2017 07:41 AM
    10hp, bit, capacitors, time, unit
    • Replies: 15
    • Views: 600
    10-04-2017, 04:30 PM Go to last post
  19. American Rotary Phase 30HP-CNC Wiring help

    Started by Scra99tch, 10-03-2017 05:50 PM
    american, coming, lugs, phase, top
    • Replies: 0
    • Views: 164
    10-03-2017, 05:50 PM Go to last post
  20. American Rotary Phase 30HP-CNC Wiring help

    Started by Scra99tch, 10-03-2017 05:39 PM
    american, coming, lugs, rotary, top
    • Replies: 0
    • Views: 91
    10-03-2017, 05:39 PM Go to last post
    • Replies: 4
    • Views: 401
    10-02-2017, 09:47 AM Go to last post
  21. RPC and Motor Starter question

    Started by Chucky55, 09-25-2017 05:55 AM
    • Replies: 3
    • Views: 436
    09-29-2017, 05:53 PM Go to last post
  22. RPC and Motor Starter question

    Started by Chucky55, 09-25-2017 06:27 AM
    • Replies: 4
    • Views: 346
    09-25-2017, 05:14 PM Go to last post
  23. Hitachi WJ200 VFD, Close loop vector possible?

    Started by rbent, 09-21-2017 10:51 AM
    • Replies: 18
    • Views: 627
    09-25-2017, 03:15 PM Go to last post
  24. DC motor Problems

    Started by Toms Wheels, 09-23-2017 10:27 AM
    drive, field, load, motor, wiring
    • Replies: 5
    • Views: 402
    09-24-2017, 08:29 PM Go to last post
  25. Lathe wiring need help!!

    Started by shooter212, 09-21-2017 09:04 PM
    • Replies: 1
    • Views: 270
    09-24-2017, 02:47 PM Go to last post
  26. South bend 10r vhd help

    Started by bridgeport13b, 09-23-2017 11:11 PM
    bend, budget, lathe, south, vhd
    • Replies: 1
    • Views: 273
    09-24-2017, 01:09 AM Go to last post
  27. VFD's and bearing "Fluting"

    Started by Monarchist, 08-10-2017 01:36 PM
    2 Pages
    1 2
    brushes, helwig, motors, problem, vfds
    • Replies: 34
    • Views: 2,054
    09-23-2017, 10:11 PM Go to last post
  28. Rotary Phase Converter running hot

    Started by borne2fly, 07-20-2017 05:43 PM
    2 Pages
    1 2
    converter, hot, phase, rotary, running
    • Replies: 30
    • Views: 2,474
    09-23-2017, 09:48 PM Go to last post
    • Replies: 11
    • Views: 477
    09-23-2017, 01:12 PM Go to last post
  29. Do I have a bad 3-phase motor?

    Started by DocsMachine, 09-10-2017 07:29 PM
    motor, sounded, up-, vfd, wires-
    • Replies: 13
    • Views: 702
    09-22-2017, 01:08 PM Go to last post
  30. Branch circuit breaker sizing for 3 phase motors

    Started by anchorman, 09-06-2017 06:48 PM
    branch, breaker, breakers, circuit, motors
    • Replies: 9
    • Views: 941
    09-22-2017, 09:11 AM Go to last post
    • Replies: 17
    • Views: 709
    09-21-2017, 03:28 PM Go to last post
  31. Potentiometer sizing question

    Started by CountryBoy19, 09-19-2017 07:58 AM
    2 Pages
    1 2
    drastically, drive, pot, potentiometer, watt
    • Replies: 32
    • Views: 994
    09-21-2017, 09:32 AM Go to last post
  32. 208v transformer with 238v input voltage

    Started by swellwelder, 09-17-2017 04:01 PM
    • Replies: 11
    • Views: 535
    09-21-2017, 02:25 AM Go to last post
  33. Static Phase Converter used to start an Idler Motor???

    Started by adambomb777, 07-21-2017 01:57 PM
    2 Pages
    1 2
    • Replies: 25
    • Views: 1,951
    09-20-2017, 03:21 PM Go to last post
  34. Which drive, your opinions?

    Started by TJScharp, 09-16-2017 05:55 PM
    $1000-2000, drive, features, lathe, phase
    • Replies: 10
    • Views: 665
    09-19-2017, 10:09 AM Go to last post
  35. Static phase conv. or motor problem

    Started by Linebore, 01-29-2005 07:38 AM
    • Replies: 6
    • Views: 752
    09-16-2017, 08:19 AM Go to last post

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