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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, 09-20-2006 11:46 PM
    9 Pages
    1 2 3 ... 9
    • Replies: 172
    • Views: 330,602
    02-02-2018, 03:42 PM Go to last post
  2. Sticky Thread Sticky: Huanyang VFDs.... Banned from discussion

    Started by JST, 08-02-2017 03:05 PM
    banned, huanyang, sold, units, vfds
    • Replies: 0
    • Views: 3,148
    08-02-2017, 03:05 PM Go to last post
    • Replies: 0
    • Views: 2,943
    04-03-2017, 12:11 PM Go to last post
  3. Sticky Thread Sticky: Please keep threads to one subject as much as possible

    Started by JST, 01-09-2016 11:09 PM
    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: 6,799
    01-09-2016, 11:09 PM Go to last post
  4. Sticky Thread Sticky: A reminder.... please make your thread title meaningful

    Started by JST, 02-23-2013 08:31 AM
    • Replies: 0
    • Views: 13,951
    02-23-2013, 08:31 AM Go to last post
  1. Question VFD or DC drive for Universal Motor?

    Started by Colt45, 04-20-2018 07:19 PM
    drive, motor, price, universal, vfd
    • Replies: 4
    • Views: 143
    04-21-2018, 12:47 AM Go to last post
  2. Transformer for Allen Bradley VFD

    Started by lxrubin, 04-13-2018 08:02 PM
    2 Pages
    1 2
    • Replies: 24
    • Views: 646
    04-20-2018, 11:54 PM Go to last post
  3. Rotary phase converter burned up!

    Started by amcdave, 04-20-2018 11:22 PM
    • Replies: 2
    • Views: 116
    04-20-2018, 11:32 PM Go to last post
  4. HF start on TIG popping GFCI outlets

    Started by rke[pler, 04-16-2018 09:43 AM
    2 Pages
    1 2
    • Replies: 25
    • Views: 611
    04-20-2018, 10:45 PM Go to last post
  5. Rotogen RTG184 rotary phase converter

    Started by Bigtalljv, 04-08-2018 05:08 PM
    • Replies: 14
    • Views: 578
    04-20-2018, 10:36 PM Go to last post
    • Replies: 12
    • Views: 318
    04-20-2018, 10:06 PM Go to last post
  6. Looking for info on VFD for a single phase motor

    Started by Shigs, 04-12-2018 03:24 PM
    1/2hp, compatible, marathon, motor, vfd
    • Replies: 14
    • Views: 830
    04-20-2018, 06:45 PM Go to last post
  7. RPC Videos

    Started by blawless, 04-18-2018 06:05 PM
    bit, bryan, reading, rpc, videos
    • Replies: 1
    • Views: 159
    04-20-2018, 06:18 AM Go to last post
  8. Doerr Motor Problems

    Started by Rick_B, 04-18-2018 03:24 PM
    centrifugal, motor, sparking, switch, wondering
    • Replies: 5
    • Views: 195
    04-19-2018, 07:12 AM Go to last post
  9. ACH550 brake chopper activation

    Started by HPCBOB, 04-16-2018 10:13 PM
    access, acs, chopper, command, internal
    • Replies: 3
    • Views: 152
    04-18-2018, 08:31 PM Go to last post
  10. Buck down transformer sizing question

    Started by countryboy1966, 04-17-2018 06:26 PM
    • Replies: 5
    • Views: 238
    04-18-2018, 04:38 PM Go to last post
    • Replies: 12
    • Views: 358
    04-18-2018, 12:35 PM Go to last post
    • Replies: 9
    • Views: 451
    04-17-2018, 08:12 PM Go to last post
  11. VFD Pricing reflect quality?

    Started by crusty1007, 04-17-2018 02:29 PM
    close, motor, paying, phase, vfd
    • Replies: 3
    • Views: 185
    04-17-2018, 03:07 PM Go to last post
  12. Replacing switch / resistance of a switch

    Started by tcncj, 04-17-2018 01:12 AM
    button, multimeter, resistance, setting, switch
    • Replies: 12
    • Views: 289
    04-17-2018, 02:00 PM Go to last post
  13. Effect of flywheel on an RPC idler.

    Started by Miguels244, 04-11-2018 09:33 PM
    5 Pages
    1 2 3 ... 5
    effect, flywheel, idler, rpc, store
    • Replies: 93
    • Views: 2,474
    04-16-2018, 04:40 PM Go to last post
  14. Adding another motor to a RPC

    Started by garcher, 04-15-2018 06:45 PM
    add, lathe, motor, rpc, start
    • Replies: 6
    • Views: 342
    04-16-2018, 10:48 AM Go to last post
  15. Ward 2ds électric composent ?

    Started by toy, 04-12-2018 11:11 PM
    • Replies: 2
    • Views: 275
    04-15-2018, 06:02 PM Go to last post
  16. Looking for plans for 3PH 3HP VFD

    Started by Daughty, 04-08-2018 08:57 PM
    • Replies: 14
    • Views: 611
    04-15-2018, 09:45 AM Go to last post
  17. load reactor causes more motor noise

    Started by MeanMachine1980, 04-09-2018 10:06 PM
    3 Pages
    1 2 3
    • Replies: 59
    • Views: 1,599
    04-15-2018, 02:22 AM Go to last post
  18. Best way to power Colchester student 1800 lathe?

    Started by mrpj6, 07-29-2012 10:27 AM
    • Replies: 10
    • Views: 9,274
    04-14-2018, 02:48 PM Go to last post
  19. VFD for a 3ph 5hp motor going on my cone head lathe

    Started by blawless, 04-03-2018 03:44 PM
    2 Pages
    1 2
    3ph, guys, lathe, phase, vfd
    • Replies: 32
    • Views: 1,024
    04-13-2018, 10:29 PM Go to last post
    • Replies: 5
    • Views: 251
    04-12-2018, 03:54 PM Go to last post
    • Replies: 11
    • Views: 1,115
    04-10-2018, 12:07 PM Go to last post
  20. Enco 10x54 power switch help

    Started by crazycuda, 04-01-2018 03:21 PM
    • Replies: 8
    • Views: 546
    04-10-2018, 11:33 AM Go to last post
  21. Is my RPC too small?.....

    Started by polish avenger, 03-20-2013 02:27 PM
    • Replies: 17
    • Views: 2,986
    04-10-2018, 10:01 AM Go to last post
    • Replies: 36
    • Views: 944
    04-10-2018, 07:26 AM Go to last post
  22. Multi-choice power Question. 1ph 240VAC supply...

    Started by MihiT, 03-31-2018 02:47 PM
    • Replies: 11
    • Views: 763
    04-10-2018, 02:04 AM Go to last post
  23. Wiring Lagun FTV-1 for a VFD

    Started by Bigtalljv, 04-07-2018 11:48 AM
    • Replies: 14
    • Views: 418
    04-08-2018, 11:03 PM Go to last post
  24. Open drip vs TEFC on rotary phase converter

    Started by PT Doc, 03-31-2018 04:28 PM
    baldor, drip, open, rfc, tefc
    • Replies: 11
    • Views: 702
    04-08-2018, 04:42 PM Go to last post
  25. "Inching" With Single Phase Lathe Motor.

    Started by Newman109, 03-21-2018 10:57 AM
    2 Pages
    1 2
    • Replies: 27
    • Views: 1,323
    04-08-2018, 03:03 PM Go to last post
  26. Buss duct at auction

    Started by YoungDen, 04-08-2018 01:00 PM
    build, connection, make, shop, stuff
    • Replies: 0
    • Views: 239
    04-08-2018, 01:00 PM Go to last post
    • Replies: 1
    • Views: 240
    04-07-2018, 03:56 PM Go to last post
    • Replies: 9
    • Views: 539
    04-07-2018, 09:53 AM Go to last post
  27. need help wiring a 2hp mill

    Started by cob, 04-06-2018 11:23 PM
    2hp, male, mill, plug, put
    • Replies: 0
    • Views: 210
    04-06-2018, 11:23 PM Go to last post
  28. Over-current protection load side of RPC?

    Started by jpeach1, 04-04-2018 10:57 AM
    • Replies: 12
    • Views: 532
    04-06-2018, 01:37 AM Go to last post
  29. question about starting three phase 25hp moter

    Started by hope, 12-13-2009 01:09 PM
    2 Pages
    1 2
    • Replies: 29
    • Views: 5,941
    04-05-2018, 07:42 AM Go to last post
  30. Testing Capacitors on Phase Perfect

    Started by Rick Finsta, 04-03-2018 05:54 AM
    access, explanation, forward, lol, removing
    • Replies: 5
    • Views: 456
    04-04-2018, 03:46 PM Go to last post
  31. Can a VFD run a 5hp motor at 3hp?

    Started by leeko, 03-17-2018 02:57 PM
    motor, run, vfd, 5hp, limit
    • Replies: 16
    • Views: 942
    04-04-2018, 11:52 AM Go to last post
  32. Scaling RPC balance cap's 240 -> 415v?

    Started by Hopefuldave, 04-03-2018 04:09 PM
    balancing, capacitance, capacitors, rotary phase converter, rpcs
    • Replies: 2
    • Views: 301
    04-03-2018, 04:34 PM Go to last post

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