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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: 437,067
    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: 3,579
    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: 17,972
    08-02-2017, 04:05 PM Go to last post
    • Replies: 0
    • Views: 10,434
    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: 14,477
    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: 22,571
    02-23-2013, 10:31 AM Go to last post
    • Replies: 4
    • Views: 213
    10-16-2021, 06:56 AM Go to last post
  1. How do AFCI breakers behave with electric motors?

    Started by 52 Ford, 10-13-2021 09:06 PM
    start, afci, breaker, 15a, machine
    • Replies: 13
    • Views: 937
    10-16-2021, 01:38 AM Go to last post
  2. Single phase 120v from 208 compressor circuit.

    Started by kineticmx, 10-14-2021 01:13 AM
    compressor, switch, circuit, run, air
    • Replies: 6
    • Views: 335
    10-15-2021, 04:33 PM Go to last post
  3. Powering 12VDC winch on shop electrics

    Started by Chuck Evans, 05-18-2009 05:31 PM
    2 Pages
    1 2
    • Replies: 28
    • Views: 22,763
    10-15-2021, 04:19 PM Go to last post
  4. Transformer vampire draw: the plot thickens

    Started by JasonPAtkins, 10-02-2021 02:42 AM
    3 Pages
    1 2 3
    • Replies: 58
    • Views: 2,664
    10-15-2021, 12:27 PM Go to last post
    • Replies: 2
    • Views: 329
    10-12-2021, 11:11 PM Go to last post
    • Replies: 19
    • Views: 1,483
    10-12-2021, 09:37 PM Go to last post
  5. Common Neutral connection

    Started by Froneck, 10-09-2021 07:14 AM
    2 Pages
    1 2
    computer, connection, neutral, noticed, wire
    • Replies: 21
    • Views: 1,063
    10-12-2021, 09:11 AM Go to last post
  6. Question using a Variac

    Started by Ray Behner, 10-10-2021 05:04 AM
    hours, safe, time, variac, volts
    • Replies: 4
    • Views: 645
    10-11-2021, 09:18 AM Go to last post
  7. Help me (please) wire up my flame detector

    Started by Palak, 10-04-2021 06:45 PM
    2 Pages
    1 2
    circuit, detector, e-stop, electrical, flame
    • Replies: 21
    • Views: 832
    10-10-2021, 04:13 PM Go to last post
    • Replies: 5
    • Views: 338
    10-08-2021, 05:23 PM Go to last post
  8. Capacitance required to balance RPC

    Started by BDGiven, 08-26-2018 07:57 PM
    2 Pages
    1 2
    leg, neutral, read, rpc, time
    • Replies: 24
    • Views: 2,774
    10-08-2021, 08:12 AM Go to last post
  9. Electrical Help Desperately needed

    Started by crossslide, 10-06-2021 08:03 PM
    • Replies: 7
    • Views: 736
    10-07-2021, 06:30 PM Go to last post
  10. Shop/Barrel/Drum Fan Electric Motor

    Started by ls2005019227, 09-18-2021 12:35 PM
    • Replies: 6
    • Views: 578
    10-07-2021, 02:24 PM Go to last post
  11. Contactorless cp-302 single phase conversion

    Started by Taylor.w.m, 04-06-2019 09:07 AM
    • Replies: 8
    • Views: 1,724
    10-06-2021, 11:00 PM Go to last post
  12. Phase Converter Help

    Started by SnaggleTooth, 10-05-2021 11:58 AM
    • Replies: 6
    • Views: 645
    10-06-2021, 07:52 PM Go to last post
  13. Phase converter running vfd problems

    Started by Mikesfd, 10-04-2021 06:37 PM
    converter, phase, power, speed, vfd
    • Replies: 14
    • Views: 414
    10-05-2021, 04:46 PM Go to last post
  14. Using a VFD to power a cnc mill?

    Started by MacroPc, 09-10-2021 10:15 AM
    machine, phase, power, vfd, work
    • Replies: 10
    • Views: 881
    10-05-2021, 08:01 AM Go to last post
  15. VFD Experience & Recommendation Request

    Started by WickedTwins, 09-21-2021 10:56 AM
    • Replies: 5
    • Views: 718
    10-04-2021, 11:52 AM Go to last post
    • Replies: 5
    • Views: 323
    10-04-2021, 11:36 AM Go to last post
  16. Circuit board help Low voltage?

    Started by M. Moore, 09-30-2021 08:14 PM
    • Replies: 17
    • Views: 1,084
    10-03-2021, 03:16 PM Go to last post
  17. Bit off topic but need help with house wiring

    Started by Froneck, 09-20-2021 02:37 AM
    3 Pages
    1 2 3
    hot, neutral, power, switch, wire
    • Replies: 57
    • Views: 2,956
    10-03-2021, 12:22 AM Go to last post
  18. I successfully built a working RPC

    Started by taiwanluthiers, 09-29-2021 11:22 AM
    2 Pages
    1 2
    5hp, compressor, motor, phase, start
    • Replies: 20
    • Views: 1,962
    10-02-2021, 03:55 AM Go to last post
  19. Wiggins/Wiggington tester information

    Started by Froneck, 09-30-2021 09:29 AM
    find, light, neutral, tester, testers
    • Replies: 3
    • Views: 401
    10-01-2021, 06:53 AM Go to last post
  20. Allen-Bradley 709 TOD

    Started by geshka, 09-18-2021 07:45 PM
    • Replies: 12
    • Views: 695
    09-30-2021, 01:54 PM Go to last post
  21. Wiring Assistance - Enco Carbide Grinder

    Started by in_a_silent_way, 09-29-2021 10:19 PM
    carbide, grinder, single, start, wiring
    • Replies: 2
    • Views: 331
    09-30-2021, 12:30 AM Go to last post
  22. Static Phase Converter used to start an Idler Motor???

    Started by adambomb777, 07-21-2017 02:57 PM
    2 Pages
    1 2
    • Replies: 28
    • Views: 8,129
    09-29-2021, 03:20 PM Go to last post
    • Replies: 16
    • Views: 1,327
    09-28-2021, 09:28 AM Go to last post
  23. Shear wiring starter coil voltage

    Started by joebass, 09-23-2021 02:00 PM
    • Replies: 4
    • Views: 531
    09-28-2021, 04:06 AM Go to last post
    • Replies: 15
    • Views: 1,138
    09-26-2021, 03:21 PM Go to last post
    • Replies: 10
    • Views: 855
    09-25-2021, 04:55 PM Go to last post
  24. HELP: 115v Motor Wiring to Switch & Cord

    Started by holtzapffelFan, 09-03-2021 08:32 PM
    2 Pages
    1 2
    • Replies: 29
    • Views: 1,565
    09-24-2021, 10:35 PM Go to last post
  25. Eight wire motor wiring?

    Started by BHolcombe, 09-22-2021 07:40 AM
    accomplish, i’m, messed, motor, wiring
    • Replies: 14
    • Views: 935
    09-24-2021, 08:36 AM Go to last post
  26. Dynamic Braking for Induction Motor

    Started by markz528, 09-10-2021 02:44 PM
    braking, capacitors, dynamic, induction, motor
    • Replies: 10
    • Views: 973
    09-23-2021, 12:22 AM Go to last post
  27. Reforming Capacitors For A V.F.D.

    Started by Jim Kennedy, 02-27-2017 03:01 AM
    2 Pages
    1 2
    • Replies: 37
    • Views: 8,228
    09-22-2021, 06:43 PM Go to last post
  28. VFDs running off Generator? How clean does power need to be?

    Started by mmurray70, 09-20-2021 10:39 AM
    2 Pages
    1 2
    inverter, light, nice, pump, towers
    • Replies: 23
    • Views: 1,058
    09-22-2021, 05:49 PM Go to last post
  29. AB 1333 phase loss

    Started by bob, 09-20-2021 10:16 AM
    changed, loss, parameter, phase, protection
    • Replies: 5
    • Views: 360
    09-22-2021, 10:57 AM Go to last post
  30. Variac to Reformat VFD Caps

    Started by Chuck Evans, 10-13-2016 03:27 PM
    • Replies: 19
    • Views: 2,336
    09-22-2021, 10:33 AM Go to last post
  31. AC to DC Converter Question.

    Started by atomarc, 09-17-2021 05:57 PM
    controls, converter, conveyor, motor, volt
    • Replies: 15
    • Views: 1,230
    09-19-2021, 09:43 AM Go to last post
  32. Arco phase converter

    Started by JesseBo, 09-17-2021 08:27 PM
    • Replies: 7
    • Views: 555
    09-19-2021, 08:57 AM Go to last post

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