Page 1 of 239 1231151101 ... LastLast
Threads 1 to 40 of 9552

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: 427,662
    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: 2,740
    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: 16,054
    08-02-2017, 04:05 PM Go to last post
    • Replies: 0
    • Views: 9,326
    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: 13,363
    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: 21,461
    02-23-2013, 10:31 AM Go to last post
    • Replies: 12
    • Views: 359
    05-13-2021, 03:43 PM Go to last post
  1. What color wire guide do you use ?

    Started by rons, 05-06-2021 01:29 PM
    2 Pages
    1 2
    • Replies: 23
    • Views: 900
    05-13-2021, 11:01 AM Go to last post
  2. Help Needed Sizing Transformer & RPC Question

    Started by Kirt, 05-13-2021 09:30 AM
    comments, rpc, speed, transformer, volt
    • Replies: 0
    • Views: 46
    05-13-2021, 09:30 AM Go to last post
    • Replies: 6
    • Views: 282
    05-12-2021, 05:14 PM Go to last post
  3. 2hp Bridgeport - VFD vs Static phase converter

    Started by dstig, 05-10-2021 01:10 AM
    converter, options, power, static, vfd
    • Replies: 19
    • Views: 414
    05-11-2021, 12:00 AM Go to last post
  4. PAM-300 problem

    Started by jstef, 05-08-2021 03:42 PM
    milling machine, pam-300, phase converter, phase-a-matic, static
    • Replies: 2
    • Views: 193
    05-09-2021, 01:29 PM Go to last post
  5. Potential Relay Sticking

    Started by Henruu, 05-08-2021 03:50 PM
    caps, neutral, potential, relay, switch
    • Replies: 5
    • Views: 271
    05-09-2021, 09:42 AM Go to last post
  6. Sizing supplemental circuit breaker for 220v Power Feed

    Started by PreciseHack, 05-02-2021 09:07 PM
    2 Pages
    1 2
    • Replies: 29
    • Views: 819
    05-07-2021, 08:28 AM Go to last post
    • Replies: 18
    • Views: 665
    05-07-2021, 07:09 AM Go to last post
  7. Petbow welder generator

    Started by cv2607, 05-03-2021 10:33 PM
    • Replies: 2
    • Views: 280
    05-04-2021, 04:49 AM Go to last post
    • Replies: 11
    • Views: 375
    05-03-2021, 02:17 PM Go to last post
    • Replies: 11
    • Views: 445
    05-03-2021, 10:27 AM Go to last post
  8. SPDT potential relay

    Started by madmachinst, 05-03-2021 06:40 AM
    coil, path, potential, relay, spdt
    • Replies: 0
    • Views: 130
    05-03-2021, 06:40 AM Go to last post
  9. 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: 120
    05-02-2021, 09:18 AM Go to last post
  10. Neutral awg size for Auto transformer

    Started by CosmosK, 04-30-2021 12:34 PM
    • Replies: 8
    • Views: 406
    05-02-2021, 03:34 AM Go to last post
  11. 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: 660
    05-01-2021, 10:26 PM Go to last post
  12. 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: 1,674
    05-01-2021, 09:31 AM Go to last post
  13. Difficulty in understanding schematic symbol

    Started by alphonso, 04-22-2021 04:01 PM
    2 Pages
    1 2
    • Replies: 22
    • Views: 1,047
    04-30-2021, 09:18 AM Go to last post
  14. Fuji VFD shutting down-special installation

    Started by flylo31, 04-09-2021 08:36 AM
    circuit, great, problem, shuts, vfd
    • Replies: 15
    • Views: 553
    04-30-2021, 08:27 AM Go to last post
  15. allen bradley 160s-aa04nsf1 help requested

    Started by techymechy, 04-25-2021 10:35 AM
    • Replies: 9
    • Views: 481
    04-29-2021, 07:12 PM Go to last post
  16. Tapping on Bridgeport with RPC

    Started by zr1nsx, 04-28-2021 11:08 AM
    direction, reversing, rpm, spindle, tapping
    • Replies: 10
    • Views: 388
    04-29-2021, 10:52 AM Go to last post
  17. 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: 3,813
    04-28-2021, 05:13 PM Go to last post
  18. Sine wave output VFD

    Started by Strostkovy, 04-25-2021 04:49 PM
    line, output, sine, vfd, wave
    • Replies: 13
    • Views: 516
    04-28-2021, 04:57 PM Go to last post
  19. 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: 2,159
    04-27-2021, 03:58 PM Go to last post
    • Replies: 0
    • Views: 153
    04-27-2021, 03:32 PM Go to last post
  20. 440V-460V-480V??? What gives??

    Started by Rick Rowlands, 05-18-2006 05:43 PM
    • Replies: 16
    • Views: 63,282
    04-27-2021, 09:30 AM Go to last post
  21. Converter identification

    Started by Billyboyr66, 04-18-2021 06:21 PM
    can’t, converter, missing, unit, work
    • Replies: 5
    • Views: 469
    04-26-2021, 01:48 PM Go to last post
  22. 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: 1,132
    04-26-2021, 11:55 AM Go to last post
  23. 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: 994
    04-23-2021, 03:07 PM Go to last post
  24. Phase converter sizing

    Started by Frenchy, 04-22-2021 02:42 PM
    5hp, converter, motor, phase, wondering
    • Replies: 7
    • Views: 476
    04-23-2021, 11:46 AM Go to last post
  25. Phase rotation meter what's the purpose

    Started by bob, 04-09-2021 08:42 PM
    2 Pages
    1 2
    • Replies: 26
    • Views: 1,200
    04-22-2021, 08:45 PM Go to last post
    • Replies: 6
    • Views: 301
    04-22-2021, 08:34 PM Go to last post
    • Replies: 11
    • Views: 529
    04-22-2021, 04:15 AM Go to last post
  26. 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: 1,232
    04-20-2021, 11:37 PM Go to last post
    • Replies: 17
    • Views: 880
    04-20-2021, 07:02 AM Go to last post
  27. 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: 1,521
    04-20-2021, 06:55 AM Go to last post
    • Replies: 5
    • Views: 465
    04-20-2021, 04:19 AM Go to last post
  28. burned up motor in older ENCO mill

    Started by Flanders, 04-12-2021 12:00 PM
    • Replies: 1
    • Views: 430
    04-18-2021, 11:23 PM Go to last post
    • Replies: 1
    • Views: 343
    04-18-2021, 01:34 AM Go to last post
    • Replies: 16
    • Views: 657
    04-16-2021, 08:46 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
  •