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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
    9 Pages
    1 2 3 ... 9
    • Replies: 178
    • Views: 364,433
    02-01-2019, 08:02 PM 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: 6,981
    08-02-2017, 04:05 PM Go to last post
    • Replies: 0
    • Views: 4,792
    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: 8,571
    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: 16,307
    02-23-2013, 09:31 AM Go to last post
  1. Question Phase perfect / PT380 Jitter

    Started by amctony, 05-22-2019 05:36 PM
    flicker, haas, led, phaseperfect, pt380
    • Replies: 1
    • Views: 221
    05-26-2019, 11:28 AM Go to last post
    • Replies: 42
    • Views: 1,937
    05-26-2019, 09:37 AM Go to last post
    • Replies: 12
    • Views: 1,749
    05-25-2019, 09:38 PM Go to last post
    • Replies: 3
    • Views: 375
    05-25-2019, 08:01 PM Go to last post
    • Replies: 12
    • Views: 860
    05-25-2019, 06:19 PM Go to last post
  2. American rotary (or other) vs DIY?

    Started by CBudz, 05-25-2019 09:06 AM
    phase, motor, years, reliable, american
    • Replies: 8
    • Views: 276
    05-25-2019, 03:46 PM Go to last post
    • Replies: 3
    • Views: 263
    05-24-2019, 07:48 PM Go to last post
    • Replies: 12
    • Views: 445
    05-24-2019, 01:24 PM Go to last post
  3. Is a automatic motor mount base worth it?

    Started by rons, 05-21-2019 11:54 PM
    • Replies: 11
    • Views: 565
    05-24-2019, 05:15 AM Go to last post
  4. Nardini 1440 3 phase options

    Started by 47chevycoe, 05-20-2019 07:44 PM
    lathe, nardini, options, phase, supply
    • Replies: 5
    • Views: 292
    05-22-2019, 09:45 AM Go to last post
  5. Using a breaker as a 2 or 3 conductor switch?

    Started by rons, 05-19-2019 06:59 PM
    amp, breaker, enclosure, stream, switch
    • Replies: 8
    • Views: 435
    05-20-2019, 12:40 PM Go to last post
  6. VFD wire gauge: manual vs NFPA 79

    Started by DanielG, 05-08-2019 08:57 AM
    • Replies: 8
    • Views: 460
    05-20-2019, 11:59 AM Go to last post
  7. DRO on Colchester Student !800

    Started by Basie, 05-20-2019 09:24 AM
    cross, dro, fit, guys, slide
    • Replies: 0
    • Views: 152
    05-20-2019, 09:24 AM Go to last post
  8. 380V 3 phase motor on 220v 3 phase

    Started by Austire, 01-31-2019 04:20 AM
    • Replies: 8
    • Views: 795
    05-19-2019, 08:51 AM Go to last post
  9. Potential relay wiring.

    Started by Don Gitzel, 05-12-2019 08:33 AM
    • Replies: 10
    • Views: 704
    05-17-2019, 07:16 PM Go to last post
  10. Kbac-27D vfd help please: Overload status

    Started by JasonEcos, 05-16-2019 02:02 AM
    kbac-27d, led, motor, status, vfd
    • Replies: 1
    • Views: 239
    05-16-2019, 03:00 AM Go to last post
  11. RPC Wiring question

    Started by alienturtle, 05-15-2019 12:02 PM
    ground, line, neutral, phase, rpc
    • Replies: 3
    • Views: 294
    05-15-2019, 09:11 PM Go to last post
  12. Scaling down a 5Hp to 2Hp converter

    Started by rons, 05-15-2019 08:30 PM
    2hp, 5hp, capacitor, ratio, run
    • Replies: 0
    • Views: 216
    05-15-2019, 08:30 PM Go to last post
    • Replies: 0
    • Views: 242
    05-14-2019, 10:58 PM Go to last post
    • Replies: 4
    • Views: 683
    05-14-2019, 11:34 AM Go to last post
  13. Motor Identification and Use. Help Please

    Started by Jim Kennedy, 05-13-2019 01:50 AM
    • Replies: 2
    • Views: 315
    05-14-2019, 09:24 AM Go to last post
  14. Victor 1640b electrical issues

    Started by naru, 05-09-2019 05:45 PM
    • Replies: 10
    • Views: 614
    05-14-2019, 12:26 AM Go to last post
  15. Anyone here use a Weg CFW-07 VFD?

    Started by Domodude17, 11-15-2017 02:01 PM
    find, give, motor, online, vfd
    • Replies: 5
    • Views: 1,090
    05-13-2019, 06:27 PM Go to last post
  16. Using VFD to lock lathe spindle

    Started by jmgalvin, 05-10-2019 10:31 AM
    john, lathe, lock, vfd, young
    • Replies: 6
    • Views: 506
    05-13-2019, 07:02 AM Go to last post
  17. VFD on Rockwell 14" Lathe

    Started by fltenwheeler, 05-12-2019 06:01 AM
    lathe, meyer, rockwell, tim, vfd
    • Replies: 2
    • Views: 301
    05-12-2019, 05:16 PM Go to last post
  18. Determining Voltage of a Hubbellock Outlet

    Started by Palak, 05-01-2019 07:54 PM
    2 Pages
    1 2
    grinder, hubbellock, older, outlet, outlets
    • Replies: 24
    • Views: 1,317
    05-12-2019, 03:00 PM Go to last post
    • Replies: 16
    • Views: 961
    05-11-2019, 12:00 PM Go to last post
    • Replies: 3
    • Views: 492
    05-09-2019, 10:00 PM Go to last post
  19. Power spike protection for CNC shop.

    Started by partsproduction, 05-05-2019 05:57 PM
    back, cnc, power, protection, shop
    • Replies: 14
    • Views: 987
    05-08-2019, 09:48 AM Go to last post
  20. Oscilloscope and power analyzers?

    Started by SND, 05-01-2019 05:56 AM
    2 Pages
    1 2
    $10k, analyzers, fast, power, throw
    • Replies: 26
    • Views: 1,423
    05-06-2019, 10:51 PM Go to last post
  21. Repower or VFD a compressor

    Started by Ohiosam, 04-30-2019 09:33 AM
    1ph, 5hp, compressor, motor, rpm
    • Replies: 4
    • Views: 510
    05-05-2019, 06:29 AM Go to last post
  22. Post Miller CP-250TS converted to single-phase

    Started by DaveKamp, 06-22-2010 08:43 PM
    7 Pages
    1 2 3 ... 7
    • Replies: 136
    • Views: 74,849
    05-03-2019, 11:12 AM Go to last post
    • Replies: 16
    • Views: 4,232
    05-03-2019, 10:22 AM Go to last post
    • Replies: 41
    • Views: 2,806
    05-02-2019, 06:51 PM Go to last post
  23. 2 Speed 2 Winding 3 Phase Motor

    Started by clearwater, 04-28-2019 02:25 PM
    higher, motor, speed, understand, winding
    • Replies: 5
    • Views: 515
    05-01-2019, 10:28 AM Go to last post
  24. Wiring questions on 240 - 480 Transformer

    Started by EnvisionIT, 04-30-2019 01:45 PM
    • Replies: 6
    • Views: 450
    05-01-2019, 10:08 AM Go to last post
  25. 3 phase motor used as generator

    Started by James Rogers, 12-22-2009 03:58 AM
    2 Pages
    1 2
    • Replies: 22
    • Views: 42,993
    04-30-2019, 10:43 AM Go to last post
  26. Calculate voltage drop/ampacity for three phase?

    Started by Trboatworks, 04-26-2019 10:23 AM
    2 Pages
    1 2
    • Replies: 27
    • Views: 1,286
    04-30-2019, 09:05 AM Go to last post
  27. 30HP phase converter needed due to 460 volts?

    Started by zombk, 04-17-2019 02:49 PM
    garage shop, hardinge, phase, transformer, volts
    • Replies: 3
    • Views: 474
    04-29-2019, 11:45 AM Go to last post
    • Replies: 6
    • Views: 520
    04-29-2019, 07:42 AM Go to last post

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