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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: 363,935
    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: 6,901
    08-02-2017, 04:05 PM Go to last post
    • Replies: 0
    • Views: 4,749
    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: 8,535
    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: 16,249
    02-23-2013, 09:31 AM Go to last post
  1. 380V 3 phase motor on 220v 3 phase

    Started by Austire, 01-31-2019 04:20 AM
    • Replies: 8
    • Views: 654
    05-19-2019, 08:51 AM Go to last post
  2. Potential relay wiring.

    Started by Don Gitzel, 05-12-2019 08:33 AM
    • Replies: 10
    • Views: 621
    05-17-2019, 07:16 PM Go to last post
  3. 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: 180
    05-16-2019, 03:00 AM Go to last post
  4. RPC Wiring question

    Started by alienturtle, 05-15-2019 12:02 PM
    ground, line, neutral, phase, rpc
    • Replies: 3
    • Views: 231
    05-15-2019, 09:11 PM Go to last post
  5. Scaling down a 5Hp to 2Hp converter

    Started by rons, 05-15-2019 08:30 PM
    2hp, 5hp, capacitor, ratio, run
    • Replies: 0
    • Views: 160
    05-15-2019, 08:30 PM Go to last post
    • Replies: 0
    • Views: 188
    05-14-2019, 10:58 PM Go to last post
    • Replies: 4
    • Views: 629
    05-14-2019, 11:34 AM Go to last post
  6. Motor Identification and Use. Help Please

    Started by Jim Kennedy, 05-13-2019 01:50 AM
    • Replies: 2
    • Views: 271
    05-14-2019, 09:24 AM Go to last post
  7. Victor 1640b electrical issues

    Started by naru, 05-09-2019 05:45 PM
    • Replies: 10
    • Views: 556
    05-14-2019, 12:26 AM Go to last post
  8. 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: 1,054
    05-13-2019, 06:27 PM Go to last post
  9. Using VFD to lock lathe spindle

    Started by jmgalvin, 05-10-2019 10:31 AM
    john, lathe, lock, vfd, young
    • Replies: 6
    • Views: 442
    05-13-2019, 07:02 AM Go to last post
  10. VFD on Rockwell 14" Lathe

    Started by fltenwheeler, 05-12-2019 06:01 AM
    lathe, meyer, rockwell, tim, vfd
    • Replies: 2
    • Views: 241
    05-12-2019, 05:16 PM Go to last post
  11. 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: 1,214
    05-12-2019, 03:00 PM Go to last post
    • Replies: 16
    • Views: 855
    05-11-2019, 12:00 PM Go to last post
    • Replies: 3
    • Views: 419
    05-09-2019, 10:00 PM Go to last post
  12. VFD wire gauge: manual vs NFPA 79

    Started by DanielG, 05-08-2019 08:57 AM
    1/3hp, breaker, drive, manual, wire
    • Replies: 5
    • Views: 328
    05-09-2019, 05:17 PM Go to last post
  13. Power spike protection for CNC shop.

    Started by partsproduction, 05-05-2019 05:57 PM
    back, cnc, power, protection, shop
    • Replies: 14
    • Views: 912
    05-08-2019, 09:48 AM Go to last post
  14. 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: 1,328
    05-06-2019, 10:51 PM Go to last post
  15. Repower or VFD a compressor

    Started by Ohiosam, 04-30-2019 09:33 AM
    1ph, 5hp, compressor, motor, rpm
    • Replies: 4
    • Views: 454
    05-05-2019, 06:29 AM Go to last post
    • Replies: 11
    • Views: 1,643
    05-03-2019, 11:19 AM Go to last post
  16. 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: 74,615
    05-03-2019, 11:12 AM Go to last post
    • Replies: 16
    • Views: 4,142
    05-03-2019, 10:22 AM Go to last post
    • Replies: 41
    • Views: 2,692
    05-02-2019, 06:51 PM Go to last post
  17. 2 Speed 2 Winding 3 Phase Motor

    Started by clearwater, 04-28-2019 02:25 PM
    higher, motor, speed, understand, winding
    • Replies: 5
    • Views: 466
    05-01-2019, 10:28 AM Go to last post
  18. Wiring questions on 240 - 480 Transformer

    Started by EnvisionIT, 04-30-2019 01:45 PM
    • Replies: 6
    • Views: 411
    05-01-2019, 10:08 AM Go to last post
  19. 3 phase motor used as generator

    Started by James Rogers, 12-22-2009 03:58 AM
    2 Pages
    1 2
    • Replies: 22
    • Views: 42,752
    04-30-2019, 10:43 AM Go to last post
  20. Calculate voltage drop/ampacity for three phase?

    Started by Trboatworks, 04-26-2019 10:23 AM
    2 Pages
    1 2
    • Replies: 27
    • Views: 1,203
    04-30-2019, 09:05 AM Go to last post
  21. 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: 426
    04-29-2019, 11:45 AM Go to last post
    • Replies: 6
    • Views: 476
    04-29-2019, 07:42 AM Go to last post
  22. Running Lathe With VFD?

    Started by Nitromahn, 04-26-2019 05:24 PM
    convertor, lathe, phase, rotary, vfd
    • Replies: 17
    • Views: 865
    04-28-2019, 09:57 PM Go to last post
  23. Need a current surge limiter

    Started by 9100, 04-27-2019 10:54 AM
    • Replies: 15
    • Views: 546
    04-28-2019, 05:04 PM Go to last post
  24. Tranny Query.

    Started by redlee, 04-13-2019 07:00 PM
    • Replies: 3
    • Views: 557
    04-28-2019, 11:43 AM Go to last post
  25. Rectifier test with switch hooked up to it.

    Started by Awleaphart, 04-26-2019 08:51 PM
    30v, brake, rectifier, side, switch
    • Replies: 19
    • Views: 705
    04-28-2019, 08:01 AM Go to last post
  26. Rotary Phase Converter - How to CNC voltage it?

    Started by Erasma, 04-23-2019 03:34 PM
    cnc, load, phase, rotary, voltage
    • Replies: 16
    • Views: 917
    04-27-2019, 08:28 PM Go to last post
  27. VFD explain it like I’m 5...total noob.

    Started by evl, 04-12-2019 09:44 PM
    • Replies: 13
    • Views: 991
    04-27-2019, 05:55 PM Go to last post
  28. Intersting problem with RPC starter

    Started by Froneck, 04-23-2019 10:39 AM
    • Replies: 17
    • Views: 846
    04-26-2019, 11:20 PM Go to last post
  29. VFD Wiring a 2 Speed Mill

    Started by LIFTED, 02-27-2019 12:13 PM
    • Replies: 5
    • Views: 927
    04-26-2019, 08:26 PM Go to last post
  30. Wanting to build a Generator set-Need some advise

    Started by fyzxman, 04-18-2019 07:12 PM
    2 Pages
    1 2
    advice/guidance, back-up, equipment, generator set, power
    • Replies: 34
    • Views: 1,623
    04-24-2019, 03:23 AM Go to last post
  31. VFD for CNC

    Started by Thissideup, 04-22-2019 09:00 PM
    • Replies: 2
    • Views: 397
    04-23-2019, 09:48 PM Go to last post
    • Replies: 9
    • Views: 731
    04-23-2019, 08:17 PM Go to last post

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