Page 1 of 238 1231151101 ... LastLast
Threads 1 to 40 of 9489

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: 424,501
    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: 2,463
    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: 15,464
    08-02-2017, 04:05 PM Go to last post
    • Replies: 0
    • Views: 9,061
    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: 13,097
    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: 21,201
    02-23-2013, 10:31 AM Go to last post
  1. 2 Speed Motor - VFD Best Practice

    Started by MountaineerMiner, 03-07-2021 10:37 AM
    carrier, frequency, motor, speed, windings
    • Replies: 14
    • Views: 212
    03-07-2021, 08:56 PM Go to last post
    • Replies: 3
    • Views: 194
    03-07-2021, 08:27 PM Go to last post
    • Replies: 5
    • Views: 269
    03-07-2021, 02:51 PM Go to last post
  2. Can I run two motors off one VFD?

    Started by bll230, 03-06-2021 12:49 AM
    require, rpm, run, vfd, vfds
    • Replies: 8
    • Views: 380
    03-07-2021, 09:02 AM Go to last post
  3. Question for VFD experts.

    Started by 9100, 02-24-2021 06:02 PM
    drives, manual, panel, remote, speed
    • Replies: 5
    • Views: 427
    03-06-2021, 07:12 PM Go to last post
    • Replies: 7
    • Views: 352
    03-05-2021, 07:59 PM Go to last post
  4. Messed up my WNY RPC while moving

    Started by shandit66, 03-02-2021 04:20 PM
    • Replies: 12
    • Views: 686
    03-05-2021, 07:01 PM Go to last post
  5. Sizing VFD for Nuttall Lathe 1phase to 3 phase

    Started by HobbyMaker, 02-05-2021 10:15 PM
    2 Pages
    1 2
    • Replies: 24
    • Views: 1,226
    03-03-2021, 09:06 PM Go to last post
    • Replies: 0
    • Views: 107
    03-03-2021, 09:03 AM Go to last post
    • Replies: 9
    • Views: 735
    03-02-2021, 10:43 AM Go to last post
  6. Phase converter for dual motor surface grinder

    Started by toadboy65, 02-27-2021 08:53 PM
    grinder, motor, phase, run, surface
    • Replies: 7
    • Views: 594
    03-01-2021, 12:44 PM Go to last post
    • Replies: 4
    • Views: 293
    02-27-2021, 02:40 AM Go to last post
  7. Allen Bradley Bulletin 712 transformer

    Started by Mold God, 11-07-2020 01:06 PM
    • Replies: 14
    • Views: 1,256
    02-27-2021, 01:24 AM Go to last post
    • Replies: 15
    • Views: 639
    02-26-2021, 08:11 PM Go to last post
  8. Square D Motor Starter coil failure

    Started by TFPace, 02-20-2021 08:16 PM
    480vac, coil, motor, square, starter
    • Replies: 12
    • Views: 499
    02-26-2021, 05:34 PM Go to last post
  9. Hardinge esm 59 turret with VFD

    Started by Titans2021, 02-24-2021 03:09 PM
    machine, phase, turret, vfd, vfd 1 phase to 3 phase
    • Replies: 7
    • Views: 366
    02-26-2021, 03:08 PM Go to last post
  10. OT: Gurus on NiCad battery reconditioning ?

    Started by rons, 02-15-2021 09:29 AM
    battery, charge, circuit, measurable, voltage
    • Replies: 7
    • Views: 541
    02-25-2021, 05:48 PM Go to last post
  11. Need 460v 3 phase transformer.

    Started by DanASM, 02-24-2021 03:24 PM
    15kva, 460v, phase, sell, wired
    • Replies: 2
    • Views: 201
    02-24-2021, 04:10 PM Go to last post
    • Replies: 15
    • Views: 758
    02-24-2021, 02:54 PM Go to last post
  12. Hitachi ProDriveNext software

    Started by rbmgf7, 02-21-2021 09:39 AM
    cable, file, hitachi, software, usb
    • Replies: 2
    • Views: 162
    02-21-2021, 02:06 PM Go to last post
  13. CNC retrofit power wiring

    Started by rbmgf7, 01-31-2021 05:28 PM
    fine, leg, power, pull, supply
    • Replies: 10
    • Views: 794
    02-21-2021, 12:28 PM Go to last post
    • Replies: 1
    • Views: 236
    02-21-2021, 02:00 AM Go to last post
  14. High voltage leg on PP rotary 7.5hp

    Started by Toms Wheels, 02-17-2021 02:57 PM
    fault, leg, rotary, vfds, voltage
    • Replies: 7
    • Views: 393
    02-18-2021, 07:20 PM Go to last post
  15. How do older Phase Perfects usually die?

    Started by SND, 01-31-2021 06:06 AM
    10hp, day, die, noticed, unit
    • Replies: 9
    • Views: 649
    02-18-2021, 06:30 AM Go to last post
  16. Cool Haas-Kamp conversion for Miller CP-300, and CP-302 200-230-460

    Started by DaveKamp, 10-14-2018 11:29 PM
    4 Pages
    1 2 3 ... 4
    • Replies: 74
    • Views: 15,838
    02-17-2021, 09:43 AM Go to last post
  17. Switch question for the electrical gurus...

    Started by tobnpr, 02-11-2021 05:06 PM
    light, motor, pinout, pins, switch
    • Replies: 8
    • Views: 582
    02-13-2021, 03:57 PM Go to last post
  18. Boyer-Shultz 220v to 22v 3 Phase wiring help

    Started by mickkell, 02-11-2021 01:04 PM
    220v, coming, phase, problem, tag
    • Replies: 2
    • Views: 199
    02-11-2021, 04:59 PM Go to last post
  19. RPC interlock and Mazak SQT Lathe

    Started by madmachinst, 02-10-2021 08:18 PM
    interlock, lathe, mazak, rpc, sqt
    • Replies: 0
    • Views: 153
    02-10-2021, 08:18 PM Go to last post
  20. OT - Well pump VFD or soft start or ???

    Started by fish123, 02-08-2021 06:42 PM
    box, control, load, pump, start
    • Replies: 10
    • Views: 530
    02-10-2021, 07:48 PM Go to last post
  21. Thermal overload breaker thred size help

    Started by Froneck, 02-06-2021 08:07 PM
    1mm, listed, pitch, size, thread
    • Replies: 9
    • Views: 425
    02-09-2021, 04:35 PM Go to last post
  22. Rotary Phase Converter Amperage Requirements

    Started by jdeere620, 02-05-2021 10:21 PM
    converter, motor, phase, start, wired
    • Replies: 15
    • Views: 905
    02-08-2021, 11:27 AM Go to last post
  23. Rotation of idler motor on RFC.

    Started by Don Gitzel, 02-01-2021 09:55 AM
    idler, motor, pass, rfc, rotation
    • Replies: 4
    • Views: 417
    02-02-2021, 02:45 PM Go to last post
  24. High Current Draw from RPC

    Started by Cleetis, 01-30-2021 02:39 AM
    2 Pages
    1 2
    • Replies: 23
    • Views: 1,189
    02-02-2021, 02:48 AM Go to last post
  25. Recommend a good Terminal Barrier for a newbie

    Started by Chuck Evans, 01-30-2021 06:07 PM
    barrier, circuit, control, terminal, type
    • Replies: 10
    • Views: 568
    02-02-2021, 01:26 AM Go to last post
  26. 15hp 208/416 motor on 240v RPC?

    Started by Rob F., 02-01-2021 02:43 PM
    • Replies: 4
    • Views: 337
    02-01-2021, 10:40 PM Go to last post
    • Replies: 14
    • Views: 8,784
    02-01-2021, 10:46 AM Go to last post
  27. Anderson 7.5hp box with 3hp idler ok?

    Started by tonystoolroom, 02-01-2021 12:59 AM
    3hp, anderson, idler, problem, ran
    • Replies: 2
    • Views: 256
    02-01-2021, 09:42 AM Go to last post
  28. DC alternative to phase converter?

    Started by Garwood, 01-27-2021 12:21 PM
    3 Pages
    1 2 3
    drive, phase, power, run, spindle
    • Replies: 52
    • Views: 1,978
    02-01-2021, 12:58 AM Go to last post
  29. Combination RPC 5hp and 20hp idlers

    Started by Ferroequinologis, 12-13-2020 02:24 PM
    • Replies: 17
    • Views: 1,303
    01-31-2021, 09:11 AM Go to last post
  30. Variable Speed Motor in Lathe

    Started by GeorgiaDoc, 01-29-2021 10:23 PM
    lathe, motor, speed, variable, vfd
    • Replies: 19
    • Views: 966
    01-30-2021, 09:54 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
  •