Page 1 of 239 1231151101 ... LastLast
Threads 1 to 40 of 9545

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: 195
    • Views: 427,279
    02-03-2021, 02:21 PM 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: 2,703
    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: 16,007
    08-02-2017, 04:05 PM Go to last post
    • Replies: 0
    • Views: 9,298
    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: 13,337
    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: 21,431
    02-23-2013, 10:31 AM Go to last post
    • Replies: 17
    • Views: 481
    05-05-2021, 10:31 PM Go to last post
  1. Sizing supplemental circuit breaker for 220v Power Feed

    Started by PreciseHack, 05-02-2021 09:07 PM
    2 Pages
    1 2
    • Replies: 23
    • Views: 582
    05-05-2021, 10:21 AM Go to last post
    • Replies: 19
    • Views: 1,909
    05-05-2021, 09:31 AM Go to last post
  2. Petbow welder generator

    Started by cv2607, 05-03-2021 10:33 PM
    • Replies: 2
    • Views: 231
    05-04-2021, 04:49 AM Go to last post
    • Replies: 11
    • Views: 343
    05-03-2021, 02:17 PM Go to last post
    • Replies: 11
    • Views: 385
    05-03-2021, 10:27 AM Go to last post
  3. SPDT potential relay

    Started by madmachinst, 05-03-2021 06:40 AM
    coil, path, potential, relay, spdt
    • Replies: 0
    • Views: 105
    05-03-2021, 06:40 AM Go to last post
  4. Low Voltage Alarm on fanuc 10 T SVOO^

    Started by ernieflash, 05-02-2021 09:18 AM
    converter, line, low, machine, running
    • Replies: 0
    • Views: 96
    05-02-2021, 09:18 AM Go to last post
  5. Neutral awg size for Auto transformer

    Started by CosmosK, 04-30-2021 12:34 PM
    • Replies: 8
    • Views: 366
    05-02-2021, 03:34 AM Go to last post
  6. Will a 10 HP RPC burn up a 1.5 HP Grinder?

    Started by swatkins, 04-28-2021 11:46 PM
    grinder, machines, motor, rpc, started
    • Replies: 16
    • Views: 611
    05-01-2021, 10:26 PM Go to last post
  7. Senior Moment. Can't rem eber what this device is called.

    Started by alphonso, 04-16-2021 03:48 PM
    2 Pages
    1 2
    • Replies: 33
    • Views: 1,614
    05-01-2021, 09:31 AM Go to last post
  8. Difficulty in understanding schematic symbol

    Started by alphonso, 04-22-2021 04:01 PM
    2 Pages
    1 2
    • Replies: 22
    • Views: 988
    04-30-2021, 09:18 AM Go to last post
  9. Fuji VFD shutting down-special installation

    Started by flylo31, 04-09-2021 08:36 AM
    circuit, great, problem, shuts, vfd
    • Replies: 15
    • Views: 527
    04-30-2021, 08:27 AM Go to last post
  10. allen bradley 160s-aa04nsf1 help requested

    Started by techymechy, 04-25-2021 10:35 AM
    • Replies: 9
    • Views: 457
    04-29-2021, 07:12 PM Go to last post
  11. Tapping on Bridgeport with RPC

    Started by zr1nsx, 04-28-2021 11:08 AM
    direction, reversing, rpm, spindle, tapping
    • Replies: 10
    • Views: 345
    04-29-2021, 10:52 AM Go to last post
  12. Using transformer at half its rated voltage (both pri and sec)

    Started by JasonPAtkins, 09-05-2019 09:13 PM
    2 Pages
    1 2
    pri, sec, transform, transformer, transformers
    • Replies: 27
    • Views: 3,739
    04-28-2021, 05:13 PM Go to last post
  13. Sine wave output VFD

    Started by Strostkovy, 04-25-2021 04:49 PM
    line, output, sine, vfd, wave
    • Replies: 13
    • Views: 476
    04-28-2021, 04:57 PM Go to last post
  14. 3 phase wiring question

    Started by henrylr, 04-11-2021 10:17 PM
    3 Pages
    1 2 3
    cable, connected, end, phase, wires
    • Replies: 45
    • Views: 2,106
    04-27-2021, 03:58 PM Go to last post
    • Replies: 0
    • Views: 123
    04-27-2021, 03:32 PM Go to last post
  15. 440V-460V-480V??? What gives??

    Started by Rick Rowlands, 05-18-2006 05:43 PM
    • Replies: 16
    • Views: 63,172
    04-27-2021, 09:30 AM Go to last post
  16. Converter identification

    Started by Billyboyr66, 04-18-2021 06:21 PM
    can’t, converter, missing, unit, work
    • Replies: 5
    • Views: 447
    04-26-2021, 01:48 PM Go to last post
  17. VFD for 15hp polar air compressor 3 phase 230v 60hz 42amp

    Started by e30allday, 02-17-2021 11:35 AM
    2 Pages
    1 2
    15hp polar air compressor, company, model, phase, vfd 1 phase to 3 phase
    • Replies: 20
    • Views: 1,075
    04-26-2021, 11:55 AM Go to last post
  18. Hitachi SJ-P1 VFD: Overcurrent at low frequencies. Fine at higher

    Started by rbmgf7, 04-13-2021 07:25 PM
    2 Pages
    1 2
    • Replies: 24
    • Views: 943
    04-23-2021, 03:07 PM Go to last post
  19. Phase converter sizing

    Started by Frenchy, 04-22-2021 02:42 PM
    5hp, converter, motor, phase, wondering
    • Replies: 7
    • Views: 445
    04-23-2021, 11:46 AM Go to last post
  20. Phase rotation meter what's the purpose

    Started by bob, 04-09-2021 08:42 PM
    2 Pages
    1 2
    • Replies: 26
    • Views: 1,165
    04-22-2021, 08:45 PM Go to last post
    • Replies: 6
    • Views: 287
    04-22-2021, 08:34 PM Go to last post
    • Replies: 11
    • Views: 498
    04-22-2021, 04:15 AM Go to last post
  21. 480 volt transformer tripping breaker

    Started by M. Moore, 04-09-2021 11:14 AM
    2 Pages
    1 2
    amp, breaker, time, transformer, volt
    • Replies: 36
    • Views: 1,178
    04-20-2021, 11:37 PM Go to last post
    • Replies: 17
    • Views: 856
    04-20-2021, 07:02 AM Go to last post
  22. 50 HP rotary, "To pony or not to Pony ?" That........

    Started by madmachinst, 04-01-2021 07:10 PM
    2 Pages
    1 2
    • Replies: 30
    • Views: 1,471
    04-20-2021, 06:55 AM Go to last post
    • Replies: 5
    • Views: 451
    04-20-2021, 04:19 AM Go to last post
  23. burned up motor in older ENCO mill

    Started by Flanders, 04-12-2021 12:00 PM
    • Replies: 1
    • Views: 402
    04-18-2021, 11:23 PM Go to last post
    • Replies: 1
    • Views: 320
    04-18-2021, 01:34 AM Go to last post
    • Replies: 16
    • Views: 629
    04-16-2021, 08:46 PM Go to last post
  24. 480v lathe in 220v shop?

    Started by Derf, 04-14-2021 09:59 AM
    lathe, 3-phase, 480v, shop, 220v
    • Replies: 5
    • Views: 358
    04-15-2021, 12:20 PM Go to last post
    • Replies: 1
    • Views: 260
    04-15-2021, 11:42 AM Go to last post
  25. Honden / Crown Lathe Wiring

    Started by PancakeCritter, 04-13-2021 03:00 PM
    110v, crown, lathe, similar, wiring
    • Replies: 3
    • Views: 231
    04-14-2021, 10:46 AM Go to last post
  26. Phaseconverterusa.com

    Started by Dpelkowski, 10-22-2019 08:30 PM
    message, order, response, update, yesterday
    • Replies: 6
    • Views: 1,704
    04-13-2021, 02:12 AM Go to last post
  27. Haas-Kamp on Dimension 452

    Started by erikg, 03-24-2014 09:12 AM
    • Replies: 6
    • Views: 3,578
    04-12-2021, 02:56 PM Go to last post
  28. RPC + 3-phase transformer

    Started by specfab, 04-11-2021 10:57 AM
    3-phase, converter, legs, power, tree
    • Replies: 2
    • Views: 238
    04-11-2021, 04:29 PM 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
  •