Page 1 of 236 1231151101 ... LastLast
Threads 1 to 40 of 9440

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: 193
    • Views: 421,801
    12-08-2020, 01:37 AM Go to last post
  2. Sticky Thread Sticky: Motor drum switch wiring references Please look before asking

    Started by JST, 04-13-2020 10:13 PM
    drum, phase, single, step, switch
    • Replies: 1
    • Views: 2,288
    04-13-2020, 10:13 PM Go to last post
  3. 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: 14,997
    08-02-2017, 04:05 PM Go to last post
    • Replies: 0
    • Views: 8,904
    04-03-2017, 01:11 PM Go to last post
  4. Sticky Thread Sticky: Please keep threads to one subject as much as possible

    Started by JST, 01-10-2016 01:09 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: 12,913
    01-10-2016, 01:09 AM Go to last post
  5. Sticky Thread Sticky: A reminder.... please make your thread title meaningful

    Started by JST, 02-23-2013 10:31 AM
    • Replies: 0
    • Views: 21,024
    02-23-2013, 10:31 AM Go to last post
  1. Question Assembling a 20hp Phase converter...Basic question on motors

    Started by CaryC, 01-13-2021 02:46 PM
    2 Pages
    1 2
    • Replies: 26
    • Views: 1,135
    01-20-2021, 08:20 PM Go to last post
    • Replies: 18
    • Views: 437
    01-20-2021, 06:12 PM Go to last post
  2. Caps for Phase Perfect

    Started by bob, 01-18-2021 11:38 AM
    caps, number, part, replacing, send
    • Replies: 2
    • Views: 191
    01-20-2021, 05:03 PM Go to last post
  3. 4 wire 2 phase motor wiring

    Started by Nicholas Bove, 01-16-2021 06:06 PM
    2 Pages
    1 2
    greatly, phase, run, single, wire
    • Replies: 24
    • Views: 805
    01-20-2021, 03:16 AM Go to last post
    • Replies: 26
    • Views: 11,104
    01-18-2021, 09:18 PM Go to last post
    • Replies: 9
    • Views: 381
    01-18-2021, 03:12 PM Go to last post
  4. Bradford Metalmaster 440v to 220v

    Started by FJsapper, 12-10-2020 03:37 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 1,095
    01-17-2021, 06:36 PM Go to last post
  5. Bridge rectifier

    Started by rj1939, 01-07-2021 07:55 PM
    2 Pages
    1 2
    • Replies: 34
    • Views: 1,102
    01-17-2021, 06:32 PM Go to last post
  6. 20hp idler with 15hp control box

    Started by texasgunsmith, 01-15-2021 10:52 AM
    • Replies: 5
    • Views: 272
    01-16-2021, 04:52 PM Go to last post
  7. Ab Arboga Drill Press power options

    Started by Mikewid04, 01-11-2021 07:31 AM
    480vac, arboga, i’d, phase, small
    • Replies: 4
    • Views: 406
    01-16-2021, 03:47 AM Go to last post
  8. Which grade of American Rotary converter do I need?

    Started by Trboatworks, 04-01-2019 05:37 AM
    2 Pages
    1 2
    • Replies: 26
    • Views: 4,667
    01-15-2021, 08:00 PM Go to last post
  9. Potential relays

    Started by Don Gitzel, 01-13-2021 12:44 PM
    button, potential, relay, relays, start
    • Replies: 5
    • Views: 330
    01-15-2021, 10:37 AM Go to last post
    • Replies: 7
    • Views: 456
    01-15-2021, 04:25 AM Go to last post
  10. 208V/480V Transformer In Rush Current?

    Started by adh2000, 01-01-2021 04:10 PM
    3 Pages
    1 2 3
    • Replies: 54
    • Views: 1,543
    01-15-2021, 02:11 AM Go to last post
  11. 440v machine with 220 rpc?

    Started by sam_stlouis, 01-14-2021 07:11 PM
    220v, 440v, machine, phase, rpc
    • Replies: 2
    • Views: 203
    01-15-2021, 01:53 AM Go to last post
  12. have a few caps left over

    Started by 1yesca, 01-11-2021 09:42 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 804
    01-14-2021, 02:15 PM Go to last post
  13. Hobart Arc Master 500 Questions

    Started by elkvis, 01-11-2021 02:05 PM
    • Replies: 1
    • Views: 162
    01-12-2021, 10:26 AM Go to last post
  14. Quad Drill Press Electrical Malfunction

    Started by WakelessFoil, 01-10-2021 12:32 AM
    • Replies: 7
    • Views: 444
    01-11-2021, 11:30 PM Go to last post
  15. Single phase long shaft motors?

    Started by RHammer9, 01-10-2021 05:20 PM
    future, machine, motor, phase, single
    • Replies: 5
    • Views: 420
    01-11-2021, 08:43 PM Go to last post
  16. will this wiring scheme for 40 HP RPC work?

    Started by madmachinst, 12-22-2020 09:40 AM
    2 Pages
    1 2
    • Replies: 29
    • Views: 976
    01-11-2021, 05:42 PM Go to last post
  17. Question for JST and others about VFDs

    Started by 9100, 01-11-2021 09:44 AM
    braking, job, power, stay, vfd
    • Replies: 4
    • Views: 227
    01-11-2021, 12:30 PM Go to last post
  18. 240-440V transformer

    Started by Henruu, 12-31-2020 05:15 PM
    idler, neutral, output, phase, transformer
    • Replies: 7
    • Views: 405
    01-10-2021, 07:18 PM Go to last post
    • Replies: 6
    • Views: 1,215
    01-10-2021, 10:05 AM Go to last post
  19. Balancing vs. Power Considerations

    Started by John Gill, 09-23-2004 02:27 PM
    2 Pages
    1 2
    • Replies: 22
    • Views: 1,571
    01-10-2021, 05:52 AM Go to last post
  20. Ato gk3000 wire up help please

    Started by Biznawich, 01-05-2021 02:47 AM
    • Replies: 8
    • Views: 488
    01-09-2021, 09:45 PM Go to last post
  21. Auto transformer for hid lights

    Started by camaro_dan67, 01-07-2021 09:41 PM
    bulb, lights, transformer, voltage, volts
    • Replies: 3
    • Views: 284
    01-07-2021, 10:54 PM Go to last post
  22. Emergency stop cable color

    Started by Strostkovy, 12-14-2020 01:32 AM
    2 Pages
    1 2
    cable, color, safety, stop, work
    • Replies: 20
    • Views: 1,098
    01-07-2021, 10:00 PM Go to last post
  23. When can us Americans stop using neutral wires?

    Started by Strostkovy, 01-01-2021 11:40 PM
    4 Pages
    1 2 3 ... 4
    ground, neutral, running, wire, wires
    • Replies: 74
    • Views: 2,417
    01-07-2021, 09:16 PM Go to last post
  24. Understanding the power requirements of a welder

    Started by PixMan, 03-28-2010 10:11 AM
    • Replies: 17
    • Views: 47,320
    01-07-2021, 07:41 PM Go to last post
  25. Earth Leakage issues

    Started by marcsO, 01-01-2021 12:41 PM
    5 Pages
    1 2 3 ... 5
    • Replies: 99
    • Views: 2,956
    01-07-2021, 07:27 PM Go to last post
  26. Supplying 110V to Fagor 8050 control

    Started by William Wallace, 01-07-2021 01:32 PM
    • Replies: 1
    • Views: 149
    01-07-2021, 06:29 PM Go to last post
  27. Three Phase Converter for HAAS help please

    Started by danmcph, 01-06-2021 03:47 PM
    converter, phase, purchase, single, vf2
    • Replies: 1
    • Views: 284
    01-07-2021, 08:21 AM Go to last post
  28. THE "amp-clamp" and clamp-on ammeter problem thread

    Started by JST, 12-09-2020 02:52 PM
    3 Pages
    1 2 3
    ammeters, amp-clamps, problem, thread, threads
    • Replies: 53
    • Views: 3,035
    01-07-2021, 02:00 AM Go to last post
  29. VFD Wiring Question

    Started by AmericanMaker, 01-02-2021 12:48 PM
    220v, 3 phase converter, 3 phase motor, 3 phase wiring, vfd
    • Replies: 7
    • Views: 559
    01-06-2021, 10:28 PM Go to last post
    • Replies: 25
    • Views: 1,889
    01-06-2021, 02:08 PM Go to last post
  30. Someone want to check my work?

    Started by Ultradog MN, 01-05-2021 12:38 PM
    • Replies: 16
    • Views: 674
    01-06-2021, 11:36 AM Go to last post
    • Replies: 12
    • Views: 839
    01-06-2021, 03:58 AM Go to last post
  31. SIP MicroPower Direct AC/DC Converter usage?

    Started by rons, 01-01-2021 09:05 PM
    • Replies: 19
    • Views: 712
    01-05-2021, 01:28 PM Go to last post
  32. Bridgeport 2hp motor max speed with vfd?

    Started by Hbjj, 01-01-2021 12:14 PM
    • Replies: 8
    • Views: 690
    01-02-2021, 12:26 AM Go to last post
  33. Using a VFD to balance output of RPC??

    Started by specfab, 12-21-2020 05:09 PM
    3-phase, output, phase, rpc, vfd
    • Replies: 7
    • Views: 585
    01-02-2021, 12:04 AM Go to last post

Forum Information and Options

Moderators of this Forum

Thread Display Options

Use this control to limit the display of threads to those newer than the specified time frame.

Allows you to choose the data by which the thread list will be sorted.

Order threads in...

Note: when sorting by date, 'descending order' will show the newest results first.

sponso

Icon Legend

Contains unread posts
Contains unread posts
Contains no unread posts
Contains no unread posts
More than 50 replies or 500 views
Hot thread with unread posts
More than 50 replies or 500 views
Hot thread with no unread posts
Closed Thread
Thread is closed
Thread Contains a Message Written By You
You have posted in this thread

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •