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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: 362,053
    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: 6,608
    08-02-2017, 04:05 PM Go to last post
    • Replies: 0
    • Views: 4,593
    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: 8,384
    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: 16,004
    02-23-2013, 09:31 AM Go to last post
  1. Wanting to build a Generator set-Need some advise

    Started by fyzxman, 04-18-2019 07:12 PM
    advice/guidance, back-up, equipment, generator set, power
    • Replies: 18
    • Views: 518
    04-20-2019, 01:57 AM Go to last post
  2. Which grade of American Rotary converter do I need?

    Started by Trboatworks, 04-01-2019 05:37 AM
    2 Pages
    1 2
    • Replies: 22
    • Views: 1,052
    04-19-2019, 11:41 PM Go to last post
  3. best inexpensive vfd?

    Started by anchorman, 01-19-2010 10:41 PM
    2 Pages
    1 2
    • Replies: 24
    • Views: 14,512
    04-19-2019, 09:17 PM Go to last post
  4. 30HP phase converter needed due to 460 volts?

    Started by zombk, 04-17-2019 02:49 PM
    garage shop, hardinge, phase, transformer, volts
    • Replies: 2
    • Views: 69
    04-19-2019, 08:24 PM Go to last post
    • Replies: 19
    • Views: 688
    04-19-2019, 09:59 AM Go to last post
  5. TECO 2HP VFD or motor tripping the contactor O/L

    Started by Jarrod, 04-15-2019 08:27 PM
    contactor, motor, o/l, smaller, vfd
    • Replies: 11
    • Views: 455
    04-18-2019, 02:16 PM Go to last post
  6. Vintage VFD?

    Started by NYShaper, 04-09-2019 05:13 PM
    2 Pages
    1 2
    • Replies: 27
    • Views: 1,500
    04-18-2019, 12:43 AM Go to last post
  7. phase conversion for a 5hp bed mill

    Started by MeanMachine1980, 04-17-2019 01:30 AM
    5hp, mill, phase, situation, vfd
    • Replies: 4
    • Views: 317
    04-18-2019, 12:21 AM Go to last post
  8. VFDs and the RCCB

    Started by gubboar, 04-16-2019 03:59 PM
    rccb, three phase, trip, type b, vfd
    • Replies: 5
    • Views: 288
    04-16-2019, 08:26 PM Go to last post
  9. New install of a Frnic vfd.

    Started by mojoinco, 04-11-2019 01:27 AM
    • Replies: 6
    • Views: 298
    04-15-2019, 09:19 PM Go to last post
  10. TECO E510 on a 1200 RPM FRAY mill

    Started by NRDock, 04-14-2019 09:23 PM
    back, change, pmslv, raised, teco
    • Replies: 2
    • Views: 223
    04-15-2019, 05:19 PM Go to last post
  11. Rotary Phase Converter issue

    Started by BrianB, 04-04-2011 09:44 PM
    • Replies: 17
    • Views: 5,322
    04-15-2019, 08:34 AM Go to last post
  12. Using an Existing 220 for Another Machine.

    Started by MatthewL, 04-10-2019 11:05 AM
    mill, range, receptacle, runs, time
    • Replies: 6
    • Views: 375
    04-14-2019, 12:40 PM Go to last post
  13. Tranny Query.

    Started by redlee, 04-13-2019 07:00 PM
    • Replies: 1
    • Views: 251
    04-14-2019, 02:23 AM Go to last post
  14. VFD explain it like Iím 5...total noob.

    Started by evl, 04-12-2019 09:44 PM
    • Replies: 10
    • Views: 510
    04-13-2019, 10:00 PM Go to last post
  15. VFD Wiring to existing Control panel Help

    Started by Awleaphart, 04-10-2019 08:16 PM
    2 Pages
    1 2
    • Replies: 22
    • Views: 610
    04-13-2019, 04:51 PM Go to last post
  16. Contactorless cp-302 single phase conversion

    Started by Taylor.w.m, 04-06-2019 09:07 AM
    contactorless, cp-302, iíve, phase, read
    • Replies: 2
    • Views: 308
    04-13-2019, 01:57 PM Go to last post
  17. Slower speed selection

    Started by newbee21, 04-11-2019 03:04 PM
    learning, slowest, spare, speed, time
    • Replies: 8
    • Views: 372
    04-13-2019, 11:45 AM Go to last post
  18. WTB 220/575 single phase transformer

    Started by bob, 04-13-2019 10:00 AM
    5kva, bob, contact, plenty, yawor@sasktel.net
    • Replies: 0
    • Views: 137
    04-13-2019, 10:00 AM Go to last post
  19. certain kind of motor to hook up to a vfd

    Started by cob, 03-17-2019 11:15 AM
    hook, install, motor, phase, vfd
    • Replies: 10
    • Views: 788
    04-12-2019, 11:39 PM Go to last post
  20. Post Miller CP-250TS converted to single-phase

    Started by DaveKamp, 06-22-2010 08:43 PM
    7 Pages
    1 2 3 ... 7
    • Replies: 135
    • Views: 73,649
    04-12-2019, 11:03 PM Go to last post
    • Replies: 10
    • Views: 1,318
    04-12-2019, 10:55 PM Go to last post
  21. Underpowered VDF?

    Started by Adenrich24, 04-12-2019 10:53 PM
    underpowered, vdf, volt, wiring
    • Replies: 0
    • Views: 173
    04-12-2019, 10:53 PM Go to last post
  22. Contactorless CP-300 H-K Conversion

    Started by tbeste, 07-07-2014 08:14 PM
    • Replies: 4
    • Views: 1,828
    04-12-2019, 10:42 PM Go to last post
  23. Mazak Mitsubishi transformer questions

    Started by cgmaster, 01-27-2018 05:02 PM
    • Replies: 6
    • Views: 1,139
    04-12-2019, 11:29 AM Go to last post
    • Replies: 18
    • Views: 524
    04-11-2019, 12:55 PM Go to last post
    • Replies: 11
    • Views: 667
    04-11-2019, 10:46 AM Go to last post
  24. What makes a cheap motor fail soon.

    Started by Bill D, 04-09-2019 01:00 AM
    • Replies: 8
    • Views: 690
    04-10-2019, 05:35 PM Go to last post
  25. 200 Volt - 3 Phase Motors

    Started by gjrepesh, 03-15-2014 07:44 PM
    2 Pages
    1 2
    • Replies: 29
    • Views: 14,060
    04-09-2019, 07:45 PM Go to last post
  26. Hitachi WJ200 Intelligent Relays Question

    Started by atomarc, 04-06-2019 07:46 PM
    command, drive, driver, run, stepper
    • Replies: 1
    • Views: 319
    04-07-2019, 07:23 PM Go to last post
    • Replies: 10
    • Views: 591
    04-07-2019, 12:00 PM Go to last post
  27. Do rotary phase converters need a breaker box?

    Started by setlab, 04-05-2019 10:35 AM
    • Replies: 8
    • Views: 565
    04-07-2019, 11:58 AM Go to last post
  28. Potential Relay Issues and Replacment Selection

    Started by bobxyz, 04-01-2019 10:43 PM
    2 Pages
    1 2
    • Replies: 31
    • Views: 1,118
    04-07-2019, 10:23 AM Go to last post
  29. PSC motor with single phase output VFD

    Started by osvaldo1961, 04-05-2019 03:43 AM
    • Replies: 10
    • Views: 503
    04-07-2019, 01:10 AM Go to last post
  30. VFD for 7.5hp 3 phase quincy 340 compressor

    Started by nandomart, 03-20-2019 12:11 AM
    • Replies: 9
    • Views: 798
    04-06-2019, 12:31 PM Go to last post
  31. Can I Test Old Vacuum Electron Tubes a simple way?

    Started by Richard King, 08-11-2015 05:05 PM
    6 Pages
    1 2 3 ... 6
    • Replies: 115
    • Views: 18,706
    04-03-2019, 11:46 PM Go to last post
  32. 5hp 600v compressor on AC tech mc1551

    Started by macds, 11-06-2017 09:55 PM
    • Replies: 9
    • Views: 1,091
    04-03-2019, 10:55 PM Go to last post
  33. Help with Yaskawa V1000 speed pot parameters

    Started by Peter., 04-01-2019 12:50 PM
    frequency, minimum, motor, pot, speed
    • Replies: 2
    • Views: 261
    04-03-2019, 03:20 PM Go to last post
    • Replies: 22
    • Views: 1,351
    04-03-2019, 08:31 AM Go to last post
  34. Popped Starter Spring Repair

    Started by bobxyz, 03-31-2019 11:47 PM
    back, electrical, popped, spring, start
    • Replies: 7
    • Views: 503
    04-02-2019, 06:33 PM Go to last post

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