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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: Please keep threads to one subject as much as possible

    Started by JST, 01-10-2016 12:09 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: 361
    01-10-2016, 12:09 AM Go to last post
  2. Sticky Thread Sticky: Rotary Phase Converter Designs and Plans

    Started by Milacron, 09-21-2006 12:46 AM
    9 Pages
    1 2 3 ... 9
    • Replies: 163
    • Views: 246,635
    12-01-2015, 05:32 PM Go to last post
  3. Sticky Thread Sticky: A reminder.... please make your thread title meaningful

    Started by JST, 02-23-2013 09:31 AM
    • Replies: 0
    • Views: 8,320
    02-23-2013, 09:31 AM Go to last post
    • Replies: 1
    • Views: 89
    02-07-2016, 11:44 PM Go to last post
  1. VFD for Powermatic 1200HD drill press

    Started by transam, 12-07-2013 08:47 AM
    • Replies: 5
    • Views: 2,052
    02-07-2016, 11:03 PM Go to last post
  2. Build thread: 30HP Balanced RPC/Pony Start

    Started by jonesturf, 02-07-2016 07:26 PM
    • Replies: 1
    • Views: 92
    02-07-2016, 10:50 PM Go to last post
  3. Need help building 30hp RPCfor CNC lathe

    Started by jonesturf, 01-22-2016 08:53 AM
    2 Pages
    1 2
    start, caps, 30hp, make, run, motor, read, sold, 3000uf, 1800uf, kits, laying, thing, appreciated, pony, side, thinking, guideline, acquired, rpcfor, lots, building, balanced, reading, cnc
    • Replies: 21
    • Views: 798
    02-07-2016, 07:27 PM Go to last post
  4. what are RPC "digital controls"

    Started by Peroni, 01-28-2016 04:51 PM
    controls, digital, higher, price, rpc
    • Replies: 5
    • Views: 335
    02-07-2016, 04:44 PM Go to last post
  5. How do those 2 Speed Three Phase Motor s Work?

    Started by skate1, 02-04-2016 11:36 PM
    high, low, motor, phase, speed
    • Replies: 14
    • Views: 488
    02-07-2016, 02:35 PM Go to last post
  6. Are cheap VFD's typically noisier?

    Started by bill1608, 02-02-2016 06:04 PM
    • Replies: 10
    • Views: 454
    02-07-2016, 12:25 PM Go to last post
  7. Panel Meter Connections

    Started by Don Burch, 02-06-2016 08:40 AM
    load, meter, amp, startup, dust, bandsaw, air, vac, panel, leg, input, running, fla, accurately, planer, draw, cyclone, amps, device, turning, damage, high, confirmed, impeller, seller
    • Replies: 4
    • Views: 197
    02-07-2016, 12:22 PM Go to last post
  8. Phase converter lacks power to run shear

    Started by Portable Welder, 10-07-2015 05:56 PM
    2 Pages
    1 2
    • Replies: 39
    • Views: 1,902
    02-07-2016, 11:07 AM Go to last post
  9. Telemecanique ALTSTART 48 Soft Start

    Started by rons, 01-31-2016 12:45 PM
    • Replies: 7
    • Views: 304
    02-07-2016, 08:27 AM Go to last post
  10. Connecting VFD to 2-speed cold saw

    Started by Travis-Mc, 02-02-2016 11:47 AM
    • Replies: 6
    • Views: 271
    02-06-2016, 11:34 AM Go to last post
  11. Use for 480 to 208 3 phase transformer

    Started by Ja_cain, 11-03-2015 07:56 AM
    transformer, phase, power, rating, amp, justin, equipment, run, wondering, guys, hold, case, decided, scrap, handy, feed, secondary, side, kva, thought
    • Replies: 16
    • Views: 837
    02-05-2016, 04:53 PM Go to last post
  12. CP-250TS single phase conversion

    Started by Slowvannah Farms, 02-05-2016 10:06 AM
    • Replies: 0
    • Views: 113
    02-05-2016, 10:06 AM Go to last post
  13. Overload trips when starting lathe motor

    Started by Andy221, 02-01-2016 10:22 PM
    2 Pages
    1 2
    belts, lathe, motor, overload, starting
    • Replies: 29
    • Views: 920
    02-04-2016, 10:15 AM Go to last post
    • Replies: 16
    • Views: 567
    02-04-2016, 06:51 AM Go to last post
  14. Review My Small Shop Circuit

    Started by David Bodkin, 12-20-2015 11:23 PM
    3 Pages
    1 2 3
    • Replies: 53
    • Views: 2,763
    02-03-2016, 01:45 PM Go to last post
  15. 3 phase rotoary converter wiring help needed

    Started by Dynajb, 11-10-2015 12:27 PM
    • Replies: 14
    • Views: 1,113
    02-02-2016, 10:26 PM Go to last post
  16. VFD - Power Loss

    Started by Gauge, 03-25-2005 03:57 PM
    • Replies: 8
    • Views: 2,234
    02-02-2016, 09:45 PM Go to last post
  17. Has anyone actually run a 208V motor on 230v?

    Started by bill1608, 02-01-2016 11:21 AM
    208v, 230v, motor, motors, temperature
    • Replies: 9
    • Views: 557
    02-02-2016, 08:54 PM Go to last post
  18. Old Bridgeport CNC Boss 5 help with saturated core reactors

    Started by Froneck, 01-08-2016 10:22 PM
    2 Pages
    1 2
    • Replies: 22
    • Views: 851
    02-02-2016, 06:39 AM Go to last post
    • Replies: 4
    • Views: 253
    02-01-2016, 06:15 PM Go to last post
  19. 240 v to 575 v 3 phase converter project

    Started by jappietoutou, 01-12-2016 07:50 PM
    2 Pages
    1 2
    • Replies: 22
    • Views: 1,022
    02-01-2016, 03:31 PM Go to last post
  20. RPC, 2 5hp motors and a Phase-A-Matic starter

    Started by Brian 315, 01-31-2016 11:17 AM
    • Replies: 11
    • Views: 338
    02-01-2016, 10:52 AM Go to last post
    • Replies: 12
    • Views: 5,397
    02-01-2016, 03:42 AM Go to last post
  21. 220v ac to 48v dc transformer

    Started by shelby csx, 01-31-2016 08:46 PM
    220v, 48v, crane, power, transformer
    • Replies: 3
    • Views: 243
    01-31-2016, 11:29 PM Go to last post
  22. Need help "hooking up" a 15 hp RPC

    Started by norson, 01-30-2016 11:32 PM
    • Replies: 1
    • Views: 210
    01-31-2016, 11:46 AM Go to last post
    • Replies: 5
    • Views: 315
    01-31-2016, 11:31 AM Go to last post
  23. Miller cp 200 3 phase conversions

    Started by tbucketford42946, 01-30-2016 03:15 PM
    conversions, phase, spray, transfer, welding
    • Replies: 0
    • Views: 149
    01-30-2016, 03:15 PM Go to last post
  24. RPC voltage equations

    Started by rons, 10-17-2015 07:43 PM
    • Replies: 13
    • Views: 831
    01-30-2016, 08:09 AM Go to last post
  25. 15 RPC scematic critique

    Started by GVX, 12-21-2015 04:44 PM
    3 Pages
    1 2 3
    • Replies: 40
    • Views: 1,654
    01-29-2016, 12:16 PM Go to last post
  26. Can this motor run on on 440 volts

    Started by Tom Doudna, 01-24-2016 01:06 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 737
    01-28-2016, 08:11 PM Go to last post
  27. Is this a Dual Voltage Motor?

    Started by rimcanyon, 01-27-2016 02:28 PM
    • Replies: 3
    • Views: 301
    01-27-2016, 09:39 PM Go to last post
    • Replies: 2
    • Views: 243
    01-27-2016, 12:30 PM Go to last post
    • Replies: 6
    • Views: 2,355
    01-27-2016, 08:10 AM Go to last post
  28. Help with VFD Relay Circuit Wiring

    Started by herynkc, 01-24-2016 01:25 PM
    • Replies: 1
    • Views: 193
    01-27-2016, 12:09 AM Go to last post
  29. Help with VFD Relay Circuit Wiring

    Started by herynkc, 01-24-2016 01:40 PM
    brake, circuit, motor, relay, vfd
    • Replies: 2
    • Views: 264
    01-26-2016, 09:22 PM Go to last post
  30. is FANUC calling for wye?

    Started by atetsade, 05-27-2003 03:24 PM
    • Replies: 10
    • Views: 1,317
    01-24-2016, 01:18 PM Go to last post
    • Replies: 3
    • Views: 358
    01-24-2016, 06:58 AM Go to last post
  31. Sizing a transformer-help please

    Started by hawkfan9, 12-30-2015 11:38 PM
    disconnect, motor, phase, rpc, transformer
    • Replies: 16
    • Views: 705
    01-23-2016, 12:04 AM Go to last post
  32. Using VFD on motor with electromagnetic brake?

    Started by herynkc, 01-18-2016 08:55 PM
    • Replies: 11
    • Views: 565
    01-22-2016, 12:53 PM Go to last post

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