Page 1 of 245 1231151101 ... LastLast
Threads 1 to 40 of 9781

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: 198
    • Views: 444,796
    11-20-2021, 06:06 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: 4,039
    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: 19,335
    08-02-2017, 04:05 PM Go to last post
    • Replies: 0
    • Views: 11,276
    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: 15,256
    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: 23,378
    02-23-2013, 10:31 AM Go to last post
    • Replies: 10
    • Views: 450
    01-20-2022, 09:32 AM Go to last post
  1. Electrical Questions - RPC Controls

    Started by dalmatiangirl61, 01-18-2022 09:17 PM
    • Replies: 13
    • Views: 558
    01-19-2022, 10:08 PM Go to last post
    • Replies: 0
    • Views: 63
    01-19-2022, 09:21 PM Go to last post
    • Replies: 8
    • Views: 334
    01-19-2022, 07:42 PM Go to last post
    • Replies: 3
    • Views: 193
    01-19-2022, 10:32 AM Go to last post
  2. Lathe Won't Start

    Started by pofo, 08-25-2010 08:20 PM
    • Replies: 13
    • Views: 9,925
    01-19-2022, 03:42 AM Go to last post
  3. Ideas on a project with a 6 hp ac motor?

    Started by fettersp, 01-12-2022 06:45 PM
    ideas, motor, rpm, spins, tank
    • Replies: 15
    • Views: 1,095
    01-18-2022, 09:51 PM Go to last post
  4. 1 to 3 phase problem

    Started by stevet, 12-08-2021 11:20 PM
    it’s, motor, panel, phase, start
    • Replies: 16
    • Views: 1,021
    01-18-2022, 08:32 PM Go to last post
  5. Two phase to three phase conversion in New Zealand

    Started by Brian Campbell, 01-11-2022 03:42 PM
    4 Pages
    1 2 3 ... 4
    • Replies: 77
    • Views: 2,442
    01-18-2022, 03:25 AM Go to last post
  6. 3~MOT motor tag

    Started by cb1, 01-14-2022 02:30 PM
    • Replies: 3
    • Views: 411
    01-18-2022, 03:13 AM Go to last post
  7. Three-phase North-American UL/NSF oven in Japan

    Started by koshien, 12-26-2021 02:45 AM
    • Replies: 11
    • Views: 872
    01-17-2022, 09:33 PM Go to last post
  8. Cut HP vs RPC HP vs Haas Spindle HP

    Started by 1032screw, 12-13-2021 01:26 PM
    breakers, machine, phase, spindle, voltage
    • Replies: 18
    • Views: 1,024
    01-17-2022, 08:17 PM Go to last post
    • Replies: 1
    • Views: 215
    01-17-2022, 01:53 PM Go to last post
  9. 2 speed motor of VFD - check my reasoning plz

    Started by Peter., 01-09-2022 01:15 PM
    • Replies: 8
    • Views: 693
    01-16-2022, 03:22 PM Go to last post
    • Replies: 1
    • Views: 167
    01-16-2022, 10:52 AM Go to last post
  10. What type of switch do I need?

    Started by josh623, 01-10-2022 12:15 PM
    connects, lol, pin, speed, switch
    • Replies: 12
    • Views: 697
    01-15-2022, 11:48 PM Go to last post
  11. Contactor Overload Relays on 2 phases

    Started by Peter from Holland, 01-13-2022 06:57 AM
    amps, failure, overload, phase, sensitivity
    • Replies: 9
    • Views: 518
    01-15-2022, 11:26 AM Go to last post
  12. Interesting video about 3 phase

    Started by Froneck, 01-13-2022 11:07 AM
    anymore, fact, interesting, read, video
    • Replies: 4
    • Views: 408
    01-13-2022, 03:46 PM Go to last post
  13. 3 phase starter circuit

    Started by madmachinst, 11-16-2021 08:39 PM
    10 Pages
    1 2 3 ... 10
    • Replies: 186
    • Views: 8,951
    01-12-2022, 05:34 PM Go to last post
    • Replies: 4
    • Views: 212
    01-12-2022, 02:42 AM Go to last post
    • Replies: 7
    • Views: 347
    01-12-2022, 01:51 AM Go to last post
    • Replies: 16
    • Views: 847
    01-11-2022, 07:28 PM Go to last post
  14. VFD failure modes...?

    Started by RG Vieira, 01-07-2022 03:51 PM
    2 Pages
    1 2
    fail, good, modes, vfd
    • Replies: 20
    • Views: 992
    01-09-2022, 03:48 PM Go to last post
  15. RPC Capacitor help

    Started by Kruzzz, 01-03-2022 06:58 PM
    idler, motor, t1t3, t2t3, voltage
    • Replies: 3
    • Views: 348
    01-09-2022, 12:00 PM Go to last post
  16. Advice On 3 Phase Power Options For My First Mill

    Started by Nust, 12-27-2021 01:30 PM
    error, motor, phase, power, vfd
    • Replies: 19
    • Views: 938
    01-06-2022, 08:07 PM Go to last post
  17. Questions about a 3 Phase motor for an RPC

    Started by Lonster, 12-16-2021 03:04 PM
    2 Pages
    1 2
    button, circuit, motor, rpc, start
    • Replies: 21
    • Views: 1,725
    01-06-2022, 04:14 PM Go to last post
    • Replies: 1
    • Views: 243
    01-06-2022, 07:59 AM Go to last post
    • Replies: 9
    • Views: 4,901
    01-05-2022, 10:40 PM Go to last post
  18. RPC transformer sizing ratio or rules of thumb

    Started by EW57, 01-05-2022 07:15 PM
    • Replies: 1
    • Views: 426
    01-05-2022, 07:31 PM Go to last post
  19. Which transformer to get to step up 240v to 480v?

    Started by Jaxian, 01-01-2022 08:22 PM
    2 Pages
    1 2
    • Replies: 23
    • Views: 1,125
    01-04-2022, 08:14 PM Go to last post
    • Replies: 35
    • Views: 1,662
    01-04-2022, 11:15 AM Go to last post
    • Replies: 0
    • Views: 223
    01-03-2022, 02:58 PM Go to last post
    • Replies: 2
    • Views: 277
    01-01-2022, 07:16 PM Go to last post
  20. power consumption of light bulbs

    Started by dian, 01-01-2022 10:45 AM
    amps, bulbs, consume, power, watts
    • Replies: 7
    • Views: 454
    01-01-2022, 05:21 PM Go to last post
  21. Lincoln Idealarc R3S-325 to single phase

    Started by minipower, 07-27-2021 09:32 PM
    calculator, capacitor, impedance, phase, resistance
    • Replies: 8
    • Views: 839
    12-30-2021, 02:04 PM Go to last post
  22. 40HP RPC bearing size

    Started by claya, 12-29-2021 01:22 AM
    40hp, bearing, motor, rpc, size
    • Replies: 5
    • Views: 478
    12-30-2021, 09:46 AM Go to last post
    • Replies: 11
    • Views: 3,428
    12-28-2021, 03:41 PM Go to last post
  23. 3ph POWERMATIC 1150 (How to wire vfd with mag starter)

    Started by Grnmtntri11, 03-22-2020 06:15 PM
    2 Pages
    1 2
    • Replies: 21
    • Views: 2,936
    12-27-2021, 01:45 PM Go to last post
  24. Single phase from 3ph panel W/ wild leg

    Started by dkmc, 12-22-2021 08:23 AM
    leg, panel, phase, single, wild
    • Replies: 19
    • Views: 1,623
    12-24-2021, 06:25 PM Go to last post
    • Replies: 43
    • Views: 2,183
    12-21-2021, 09:56 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
  •