Page 1 of 225 1231151101 ... LastLast
Threads 1 to 40 of 8976

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 01:46 AM
    10 Pages
    1 2 3 ... 10
    • Replies: 180
    • Views: 380,324
    06-11-2019, 11:05 AM Go to last post
  2. Sticky Thread Sticky: Huanyang VFDs.... Banned from discussion

    Started by JST, 08-02-2017 05:05 PM
    banned, huanyang, sold, units, vfds
    • Replies: 0
    • Views: 9,060
    08-02-2017, 05:05 PM Go to last post
    • Replies: 0
    • Views: 5,879
    04-03-2017, 02:11 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 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: 9,769
    01-10-2016, 01:09 AM Go to last post
  4. Sticky Thread Sticky: A reminder.... please make your thread title meaningful

    Started by JST, 02-23-2013 10:31 AM
    • Replies: 0
    • Views: 17,923
    02-23-2013, 10:31 AM Go to last post
  1. Solid State Relays Instead of Contactor?

    Started by rpseguin, 11-17-2019 02:09 PM
    2 Pages
    1 2
    contactor, solid, state, relays, wondering
    • Replies: 21
    • Views: 668
    11-21-2019, 02:44 PM Go to last post
  2. Transformer size question-conflicting info?

    Started by CLANG, 05-24-2011 04:44 AM
    • Replies: 13
    • Views: 2,258
    11-21-2019, 12:47 PM Go to last post
  3. Can I use a 1.5kW or 2kW VFD for a 0.6kW load?

    Started by ballen, 11-19-2019 11:50 AM
    230v, inverter, max, motors, nameplate
    • Replies: 5
    • Views: 190
    11-21-2019, 11:13 AM Go to last post
  4. RPC Panel -- Which manufacturer?

    Started by Grenade, 11-21-2019 02:18 AM
    converters/panels, manufacturer, panel, rpc, throw
    • Replies: 1
    • Views: 120
    11-21-2019, 11:10 AM Go to last post
  5. Best way to clean electric motor windings

    Started by Doug W, 11-20-2019 08:40 PM
    black, clean, motor, thrown, windings
    • Replies: 11
    • Views: 340
    11-21-2019, 09:00 AM Go to last post
  6. Testing 3 Phase Motor Windings

    Started by TravisR100, 11-17-2019 01:21 PM
    3 Pages
    1 2 3
    ohms, resistance, result, tied, windings
    • Replies: 40
    • Views: 1,329
    11-21-2019, 01:08 AM Go to last post
  7. 550 Volts for a 380 Volt lathe

    Started by Tipsy, 11-19-2019 12:01 AM
    • Replies: 8
    • Views: 435
    11-21-2019, 12:14 AM Go to last post
  8. Reversing an old hand drill

    Started by Pappanick, 11-19-2019 05:25 PM
    110v, drill, hand, single, speed
    • Replies: 2
    • Views: 209
    11-20-2019, 06:07 PM Go to last post
  9. Successful Miller CP300 Welder Haas-Kamp Single Phase Conversion

    Started by ksimolo, 07-18-2013 09:07 PM
    2 Pages
    1 2
    • Replies: 25
    • Views: 20,995
    11-20-2019, 01:14 AM Go to last post
  10. phase converter quieter when vertical...

    Started by hahnpv, 11-16-2019 03:59 PM
    • Replies: 13
    • Views: 793
    11-19-2019, 12:01 PM Go to last post
  11. Help, What is this? Phase generator?

    Started by EarlF, 11-07-2019 02:57 PM
    • Replies: 15
    • Views: 882
    11-17-2019, 10:45 PM Go to last post
  12. Mill Motor Runs on Line Power 3P/240VAC But Not on VFD - Why???

    Started by everettengr, 10-17-2019 02:34 PM
    3 Pages
    1 2 3
    • Replies: 57
    • Views: 3,404
    11-16-2019, 06:08 AM Go to last post
  13. Found a lathe with a bum motor - motor replacement viability?

    Started by Pyrex, 10-29-2019 10:06 AM
    2 Pages
    1 2
    • Replies: 35
    • Views: 2,104
    11-15-2019, 08:07 PM Go to last post
  14. Overload Sizing and FLA when using RPC

    Started by *D'B=6bk, 10-17-2019 02:33 PM
    2 Pages
    1 2
    • Replies: 25
    • Views: 1,542
    11-14-2019, 09:29 PM Go to last post
  15. Motor Contactor for Rotary Convertor/5 HP lathe

    Started by rhoward, 03-13-2016 01:38 AM
    • Replies: 13
    • Views: 3,716
    11-13-2019, 07:57 PM Go to last post
  16. harig 612 surface grinder vfd recomendation?

    Started by reddogforge, 11-08-2019 10:58 PM
    consideration, harig, machine, motor, vfd
    • Replies: 2
    • Views: 286
    11-13-2019, 07:48 PM Go to last post
  17. Are VFD's bad for motors?

    Started by DennisCA, 11-05-2019 02:48 AM
    3 Pages
    1 2 3
    • Replies: 45
    • Views: 2,409
    11-12-2019, 12:42 AM Go to last post
  18. 460v 3phase for a VMC with 240v 1ph?

    Started by Agfrvf, 10-17-2019 01:15 PM
    20hp, 240v, 460v, motor, vmc
    • Replies: 12
    • Views: 1,025
    11-10-2019, 07:59 PM Go to last post
    • Replies: 5
    • Views: 483
    11-09-2019, 08:13 PM Go to last post
  19. Citizen Cincom F12 3 Phase Power

    Started by LIFTED, 11-08-2019 06:17 PM
    • Replies: 1
    • Views: 296
    11-08-2019, 06:18 PM Go to last post
  20. 3 Phase Service Choice?

    Started by silencerman, 11-07-2019 03:31 PM
    delta, leg, service, shop, transformer
    • Replies: 3
    • Views: 462
    11-08-2019, 01:17 AM Go to last post
  21. Breaker/wire size for hard starting 3 phase motors

    Started by Fish On, 11-07-2019 02:06 PM
    amp, motor, phase, starting, wire
    • Replies: 5
    • Views: 325
    11-07-2019, 03:55 PM Go to last post
  22. Pro VFD guys, lets figure out this Yaskawa 626VM3

    Started by huleo, 12-28-2018 02:37 AM
    charge, drive, immediately, power, powered
    • Replies: 5
    • Views: 1,054
    11-07-2019, 11:54 AM Go to last post
  23. RPC safe/acceptable imbalances?

    Started by rpseguin, 11-04-2019 02:57 PM
    leg, voltage, side, high, rpc
    • Replies: 4
    • Views: 453
    11-07-2019, 05:04 AM Go to last post
  24. On dressing contacts

    Started by 9100, 11-04-2019 08:41 PM
    contactor, contacts, filed, left, making
    • Replies: 18
    • Views: 904
    11-06-2019, 08:58 PM Go to last post
    • Replies: 6
    • Views: 432
    11-05-2019, 11:35 PM Go to last post
  25. Adding VFD to Webb/Whacheon/Mori Seiki?

    Started by rpseguin, 11-04-2019 02:43 PM
    vfd, spindle, adding, motor, webb/whacheon/mori
    • Replies: 5
    • Views: 372
    11-04-2019, 07:58 PM Go to last post
  26. Likely component fault on Powerflex 4 VFD?

    Started by gadget73, 04-20-2017 09:48 AM
    fault, fix, powerflex, time, vfd
    • Replies: 11
    • Views: 13,316
    11-04-2019, 06:50 PM Go to last post
    • Replies: 18
    • Views: 1,141
    11-03-2019, 11:36 PM Go to last post
  27. RPC Wiring question

    Started by alienturtle, 05-15-2019 01:02 PM
    • Replies: 6
    • Views: 948
    11-02-2019, 02:43 PM Go to last post
  28. VFD wired to mill circuitry

    Started by hahnpv, 11-01-2019 05:18 PM
    mill, reason, separate, starter, vfd
    • Replies: 3
    • Views: 414
    11-01-2019, 08:04 PM Go to last post
  29. Rotary Phase Converter Questions

    Started by Kevin T, 09-20-2019 07:00 PM
    2 Pages
    1 2
    • Replies: 32
    • Views: 1,803
    11-01-2019, 04:26 PM Go to last post
  30. VFD vs RPC for compressor

    Started by PTSCummins, 10-28-2019 10:47 AM
    • Replies: 13
    • Views: 852
    10-31-2019, 09:15 PM Go to last post
  31. CNC grade converter

    Started by Bob-J-H, 10-28-2019 05:54 PM
    cnc, compared, converter, grade, regular
    • Replies: 5
    • Views: 587
    10-31-2019, 06:39 PM Go to last post
    • Replies: 12
    • Views: 696
    10-31-2019, 10:16 AM Go to last post
    • Replies: 6
    • Views: 735
    10-29-2019, 01:54 PM Go to last post
  32. Phaseconverterusa.com

    Started by Dpelkowski, 10-22-2019 09:30 PM
    message, order, response, update, yesterday
    • Replies: 5
    • Views: 777
    10-29-2019, 11:07 AM Go to last post
  33. very old motor wiring

    Started by jordanirvin, 10-27-2019 02:53 PM
    • Replies: 5
    • Views: 499
    10-29-2019, 08:16 AM Go to last post
  34. Run caps as starting caps for rotary phase converter ???

    Started by Lock 45, 10-27-2019 03:18 PM
    2 Pages
    1 2
    bank, caps, phase, run, wire
    • Replies: 20
    • Views: 991
    10-29-2019, 05:09 AM Go to last post
  35. VFD teco 7300 blown capacitor

    Started by Roscoepcoltrane, 10-24-2019 04:25 PM
    blown, capacitor, ground, terminals, vfd
    • Replies: 7
    • Views: 1,077
    10-28-2019, 05:50 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
  •