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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: 374,033
    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: 8,141
    08-02-2017, 04:05 PM Go to last post
    • Replies: 0
    • Views: 5,439
    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: 9,240
    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: 17,333
    02-23-2013, 09:31 AM Go to last post
  1. Searching for a small step down transformer.

    Started by atomarc, 09-13-2019 12:37 PM
    2 Pages
    1 2
    120v, find, small, type, wall-wart
    • Replies: 20
    • Views: 474
    09-16-2019, 10:20 AM Go to last post
    • Replies: 7
    • Views: 750
    09-15-2019, 02:31 PM Go to last post
  2. Cool Haas-Kamp conversion for Miller CP-300, and CP-302 200-230-460

    Started by DaveKamp, 10-14-2018 11:29 PM
    4 Pages
    1 2 3 ... 4
    • Replies: 70
    • Views: 6,134
    09-14-2019, 06:56 AM Go to last post
  3. VFD brands I should consider?

    Started by Kevin T, 09-09-2019 03:38 PM
    • Replies: 9
    • Views: 478
    09-13-2019, 01:24 PM Go to last post
  4. Which VFD for my surface grinder?

    Started by razoredgeknives, 09-08-2019 09:49 AM
    • Replies: 16
    • Views: 587
    09-13-2019, 10:41 AM Go to last post
  5. Electric heat treating oven

    Started by Joe Miranda, 09-05-2019 11:50 AM
    2 Pages
    1 2
    • Replies: 22
    • Views: 1,312
    09-13-2019, 06:59 AM Go to last post
    • Replies: 5
    • Views: 422
    09-12-2019, 09:35 PM Go to last post
  6. Wire Ferrules- When to use or not use?

    Started by Cole2534, 09-09-2019 08:38 PM
    • Replies: 19
    • Views: 1,163
    09-12-2019, 07:23 PM Go to last post
  7. Ab vfd parameter clarification needed

    Started by Rick_B, 09-10-2019 02:02 PM
    • Replies: 15
    • Views: 637
    09-12-2019, 11:11 AM Go to last post
    • Replies: 9
    • Views: 1,002
    09-12-2019, 10:02 AM Go to last post
    • Replies: 5
    • Views: 438
    09-11-2019, 04:32 PM Go to last post
  8. RPC motor question

    Started by ssn vet, 09-11-2019 02:26 PM
    box, motor, rpc, wires, wiring
    • Replies: 1
    • Views: 236
    09-11-2019, 03:43 PM Go to last post
  9. 2 pole or 4 pole motor for RPC idler

    Started by ssn vet, 09-11-2019 02:38 PM
    motor, phase, pole, rpc, static
    • Replies: 1
    • Views: 243
    09-11-2019, 02:54 PM Go to last post
  10. 3 phase converter running 3 idle motors

    Started by NateF350, 09-10-2019 10:29 AM
    • Replies: 9
    • Views: 406
    09-10-2019, 06:16 PM Go to last post
  11. VFD Remote For Basic Controls Questions

    Started by ptsmith, 09-08-2019 06:37 PM
    control, emergency, lathe, vfd, wire
    • Replies: 10
    • Views: 475
    09-10-2019, 12:47 PM Go to last post
  12. Help required powering Drill Press (3 phase)

    Started by DwP666, 09-06-2019 09:08 PM
    • Replies: 12
    • Views: 977
    09-09-2019, 10:24 PM Go to last post
  13. VFD for duplex compressor

    Started by dschad, 09-04-2019 02:34 PM
    • Replies: 13
    • Views: 636
    09-08-2019, 08:57 PM Go to last post
  14. motor rpm

    Started by last rites, 08-30-2019 07:52 PM
    1760rpm, 7.5hp, falls, motor, rpm
    • Replies: 9
    • Views: 918
    09-08-2019, 11:28 AM Go to last post
  15. Need transformer Wiring diagram help

    Started by TFPace, 09-07-2019 01:35 PM
    canada, tformer, press, wired, guys
    • Replies: 5
    • Views: 375
    09-07-2019, 05:57 PM Go to last post
    • Replies: 0
    • Views: 283
    09-07-2019, 10:43 AM Go to last post
  16. How can I identify unmarked PSC motor leads?

    Started by nimi55, 09-02-2019 03:13 AM
    • Replies: 3
    • Views: 347
    09-05-2019, 06:46 PM Go to last post
    • Replies: 6
    • Views: 471
    09-05-2019, 10:45 AM Go to last post
  17. Use 3phase input VFD on single phase?

    Started by Rhynardt, 08-12-2019 12:12 PM
    phase, input, 3phase, single, mill
    • Replies: 11
    • Views: 1,152
    09-03-2019, 01:53 PM Go to last post
  18. Running the CP302 off 20hp RPC

    Started by Paul Cataldo, 08-19-2019 11:48 AM
    damage, guys, rpc, running, welder
    • Replies: 5
    • Views: 546
    09-02-2019, 09:10 PM Go to last post
    • Replies: 13
    • Views: 1,052
    09-02-2019, 03:26 PM Go to last post
  19. Building a RPC out of a Dahlander motor

    Started by hahnpv, 08-26-2019 07:30 PM
    • Replies: 7
    • Views: 732
    09-01-2019, 09:43 PM Go to last post
  20. Phase Perfect dpc-a10

    Started by Hardplates, 08-16-2019 12:55 PM
    6 Pages
    1 2 3 ... 6
    • Replies: 101
    • Views: 5,085
    09-01-2019, 07:28 PM Go to last post
  21. VFD Remote Motor Frequency Meter

    Started by ptsmith, 08-21-2019 09:42 PM
    • Replies: 9
    • Views: 1,025
    08-31-2019, 12:04 PM Go to last post
  22. 3 phase motor size comparison

    Started by Chris__H, 08-25-2019 03:02 AM
    • Replies: 4
    • Views: 663
    08-30-2019, 06:26 AM Go to last post
  23. EMI filters for servo drives

    Started by rbent, 01-25-2019 04:38 PM
    drive, emi, equipment, filters, servo
    • Replies: 8
    • Views: 1,390
    08-29-2019, 10:26 PM Go to last post
    • Replies: 26
    • Views: 2,247
    08-29-2019, 02:47 PM Go to last post
    • Replies: 12
    • Views: 942
    08-26-2019, 06:01 PM Go to last post
  24. Another motor wiring mystery

    Started by tomjelly, 08-23-2019 03:37 PM
    • Replies: 6
    • Views: 587
    08-25-2019, 05:38 PM Go to last post
  25. 3 Phase Transformer

    Started by bill1608, 08-24-2019 12:35 PM
    3 phase, phase, three phase, transformer, transformers
    • Replies: 8
    • Views: 755
    08-25-2019, 03:58 AM Go to last post
    • Replies: 2
    • Views: 374
    08-25-2019, 02:35 AM Go to last post
  26. Air compressor circuit breaker size?

    Started by beeser, 08-23-2019 08:49 AM
    air, amp, breaker, compressor, flas
    • Replies: 5
    • Views: 538
    08-24-2019, 03:41 PM Go to last post
  27. RPC- Ready made, panel, or kit?

    Started by MushCreek, 07-26-2019 06:46 AM
    2 Pages
    1 2
    buy, motor, panel, rpc, run
    • Replies: 30
    • Views: 2,197
    08-24-2019, 11:46 AM Go to last post
  28. Paralleling multiple idlers

    Started by vdmmedia, 05-27-2003 03:52 PM
    • Replies: 7
    • Views: 1,657
    08-23-2019, 08:50 AM Go to last post
    • Replies: 19
    • Views: 1,340
    08-23-2019, 03:02 AM Go to last post

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