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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: 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: 2,075
    01-09-2016, 11:09 PM Go to last post
  2. 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: 163
    • Views: 264,166
    12-01-2015, 04:32 PM Go to last post
  3. Sticky Thread Sticky: A reminder.... please make your thread title meaningful

    Started by JST, 02-23-2013 08:31 AM
    • Replies: 0
    • Views: 9,679
    02-23-2013, 08:31 AM Go to last post
  1. NEC Handbook Editions

    Started by AnAirplane, 07-26-2016 11:42 AM
    bad, edition, nec, wiring, worth
    • Replies: 16
    • Views: 418
    07-29-2016, 12:03 PM Go to last post
  2. Multi Motor shop on one VFD

    Started by piedmontg, 07-28-2016 11:38 AM
    machines, post, shop, simple, vfd
    • Replies: 8
    • Views: 269
    07-28-2016, 09:03 PM Go to last post
  3. 5 wire electrical versus 4 wire electrical

    Started by LockNut, 07-28-2016 09:25 AM
    electrical, hook, machine, wire, wires
    • Replies: 15
    • Views: 450
    07-28-2016, 04:27 PM Go to last post
    • Replies: 3
    • Views: 336
    07-28-2016, 09:10 AM Go to last post
  4. Teco N3 STEP2 Error

    Started by KevinJ, 04-12-2011 07:07 PM
    • Replies: 9
    • Views: 1,955
    07-27-2016, 05:36 PM Go to last post
  5. Old Motor Electrical Connections Encased in Oil ?

    Started by 33oneill, 07-26-2016 09:08 PM
    box, electrical, junction, motor, oil
    • Replies: 5
    • Views: 220
    07-27-2016, 01:10 PM Go to last post
    • Replies: 10
    • Views: 404
    07-26-2016, 11:22 PM Go to last post
  6. RPC voltmeter and indicator light

    Started by ezduzit, 07-19-2016 10:30 AM
    2 Pages
    1 2
    • Replies: 32
    • Views: 865
    07-26-2016, 04:48 PM Go to last post
  7. Can I run a 1.5 HP 3 phase motor with a 1 HP VFD?

    Started by davefr, 07-24-2016 06:48 AM
    120vac, amps, motor, undersize, vfd
    • Replies: 6
    • Views: 376
    07-25-2016, 11:59 AM Go to last post
  8. Milltronics RH20 rotary size

    Started by MortyNTenon, 07-25-2016 11:46 AM
    load, mill, power, rotary, tim
    • Replies: 0
    • Views: 80
    07-25-2016, 11:46 AM Go to last post
    • Replies: 5
    • Views: 506
    07-24-2016, 06:54 PM Go to last post
  9. shuting off spindle on CNC machine sends high voltage back to panel

    Started by FK, 01-06-2015 10:08 AM
    2 Pages
    1 2
    • Replies: 26
    • Views: 2,221
    07-23-2016, 06:26 AM Go to last post
  10. Question Advice on how to run this motor please

    Started by Ropata, 05-18-2016 12:27 AM
    3 Pages
    1 2 3
    • Replies: 57
    • Views: 2,813
    07-23-2016, 05:16 AM Go to last post
  11. Phase Converter Capacitor Problem

    Started by mvgregory, 07-12-2016 09:41 AM
    converter, phase, problem, rotary phase converter, terminals
    • Replies: 9
    • Views: 405
    07-22-2016, 12:59 PM Go to last post
  12. AMP twist-loc plug... Un-wire

    Started by TFPace, 07-22-2016 06:00 AM
    connectors, plug, butt, splice, replace
    • Replies: 6
    • Views: 231
    07-22-2016, 11:12 AM Go to last post
    • Replies: 16
    • Views: 889
    07-22-2016, 08:43 AM Go to last post
  13. Re-motoring a Smart & Brown Lathe

    Started by sandiapaul, 07-20-2016 11:10 AM
    drive, lathe, machine, motor, speed
    • Replies: 8
    • Views: 293
    07-21-2016, 03:53 PM Go to last post
    • Replies: 8
    • Views: 368
    07-21-2016, 02:10 AM Go to last post
  14. Need help with a compreser

    Started by kzman12, 07-12-2016 10:35 PM
    compreser, motors, phase, spending, vfd compreser
    • Replies: 2
    • Views: 313
    07-20-2016, 11:16 AM Go to last post
  15. Running CNC On 50 Cycles

    Started by SIP6A, 07-17-2016 09:59 PM
    cnc, cycles, running, volts, wired
    • Replies: 4
    • Views: 304
    07-20-2016, 01:12 AM Go to last post
  16. Welding Transformer 415Volt Suit R.P.C.

    Started by Jim Kennedy, 07-19-2016 06:05 PM
    $10, build, cheap, connected, r.p.c
    • Replies: 0
    • Views: 152
    07-19-2016, 06:05 PM Go to last post
  17. Minarik power in wiring

    Started by Mike ofthe North, 07-16-2016 01:08 PM
    connect, connecting, hot, minarik, power
    • Replies: 16
    • Views: 404
    07-18-2016, 06:58 PM Go to last post
    • Replies: 19
    • Views: 769
    07-18-2016, 06:51 PM Go to last post
    • Replies: 4
    • Views: 322
    07-18-2016, 03:31 PM Go to last post
  18. Introducing myself and ramping to a stop.

    Started by twenty teeth, 07-11-2016 05:12 AM
    idea, imagine, ramp to stop vhd bandsaw, safety, stop
    • Replies: 9
    • Views: 491
    07-16-2016, 02:55 AM Go to last post
  19. 20 hp RPC build with tranny

    Started by Matt Matt, 06-26-2016 09:28 PM
    $240, contacter, donated, stock, transformer
    • Replies: 7
    • Views: 753
    07-15-2016, 10:51 PM Go to last post
  20. Question about switching contactors for a lathe

    Started by conant, 07-01-2016 04:00 PM
    2 Pages
    1 2
    • Replies: 34
    • Views: 1,320
    07-15-2016, 08:08 PM Go to last post
  21. 3 phase changeover switch

    Started by Steel neck tie, 07-13-2016 08:26 PM
    machines, power, shop, switch, wire
    • Replies: 5
    • Views: 329
    07-14-2016, 12:56 PM Go to last post
    • Replies: 4
    • Views: 322
    07-14-2016, 04:47 AM Go to last post
    • Replies: 29
    • Views: 824
    07-13-2016, 11:18 PM Go to last post
    • Replies: 6
    • Views: 274
    07-13-2016, 02:35 PM Go to last post
  22. Reverse switch wiring help for newer motor on Logan lathe

    Started by jason lake, 07-08-2016 06:27 AM
    2 Pages
    1 2
    • Replies: 22
    • Views: 681
    07-11-2016, 11:58 PM Go to last post
  23. mobile mig/mma set up

    Started by Higgins420, 07-11-2016 08:50 PM
    ally, car, mig, migs, rewinding
    • Replies: 0
    • Views: 133
    07-11-2016, 08:50 PM Go to last post
  24. Wireless remote control

    Started by TFPace, 07-07-2016 07:50 AM
    • Replies: 12
    • Views: 616
    07-11-2016, 07:52 PM Go to last post
  25. Cleaning relay contacts.

    Started by conant, 07-10-2016 10:52 AM
    assume, contacts, corrosion, oxide, relay
    • Replies: 13
    • Views: 589
    07-11-2016, 04:14 PM Go to last post
  26. which one VFD to buy

    Started by Sk8Ter, 05-20-2012 06:23 PM
    • Replies: 11
    • Views: 3,740
    07-10-2016, 10:24 PM Go to last post
  27. Marathon Motor and drum switch wiring diagram

    Started by cmdevans, 07-09-2016 10:44 PM
    • Replies: 0
    • Views: 213
    07-09-2016, 10:44 PM Go to last post
  28. K O LEE B360 / VFD Choice

    Started by mach2, 06-20-2016 11:25 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 695
    07-08-2016, 09:29 AM Go to last post
  29. Leinen lathe three phase Nuetral?

    Started by whidbey, 07-07-2016 09:20 AM
    leinen, machine, neutral, slot, transformer
    • Replies: 11
    • Views: 358
    07-08-2016, 08:55 AM Go to last post
  30. Vfd schooling on wiring

    Started by Cadillac, 05-13-2016 07:37 PM
    enclosure, people, shielding, side, vfd
    • Replies: 19
    • Views: 1,263
    07-08-2016, 12:19 AM Go to last post

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