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Forum: Transformers, Phase Converters and VFD

Machine voltage issues, three phase via single phase power, and variable frequency drives discussion

    • Replies: 8
    • Views: 2,780
    01-07-2016, 09:25 AM Go to last post
  1. 2 speed 3ph wiring question, another one!

    Started by M. Moore, 12-24-2015 05:28 PM
    2 Pages
    1 2
    • Replies: 21
    • Views: 5,151
    01-06-2016, 11:34 AM Go to last post
  2. American Rotary Phase Converter Wiring

    Started by millinCanuck, 12-30-2015 10:19 PM
    • Replies: 11
    • Views: 7,216
    01-03-2016, 03:10 PM Go to last post
    • Replies: 2
    • Views: 2,710
    01-02-2016, 07:40 PM Go to last post
  3. Increasing capacity of phase converter?

    Started by mmurray70, 01-01-2016 05:46 PM
    add, additional, idler, output, phase
    • Replies: 4
    • Views: 1,787
    01-01-2016, 09:29 PM Go to last post
  4. Need schematic for rotary 7HP phase converter

    Started by rhoward, 12-26-2015 02:58 AM
    7hp, converter, phase, schematic, years
    • Replies: 10
    • Views: 1,725
    01-01-2016, 05:40 PM Go to last post
  5. Single Phase generator

    Started by ColdBlackWind, 12-22-2015 09:20 AM
    2 Pages
    1 2
    amp, cutter, plasma, tig, time
    • Replies: 21
    • Views: 2,115
    01-01-2016, 08:58 AM Go to last post
  6. 115v 2 Phase furnace rewiring, help needed

    Started by zwco, 12-24-2015 01:14 AM
    115v, elements, furnace, phase, temperature
    • Replies: 4
    • Views: 1,420
    12-30-2015, 08:56 PM Go to last post
  7. Max Load For 7-1/2hp Rotary Converter?

    Started by rhoward, 12-30-2015 12:15 AM
    5hp, 7-1/2hp, converter, motor, motors
    • Replies: 1
    • Views: 794
    12-30-2015, 12:28 AM Go to last post
  8. 7.5 KW VFD used with a 2.2KW motor quetion

    Started by Tanigumi, 12-25-2015 10:28 PM
    2.2kw, hitachi, phase, service, vfd
    • Replies: 3
    • Views: 1,294
    12-26-2015, 07:37 AM Go to last post
  9. Motor Wiring Confirmation

    Started by Guncraft, 12-23-2015 02:58 PM
    motor, power, terminals, wired, wiring
    • Replies: 11
    • Views: 2,675
    12-25-2015, 11:19 AM Go to last post
  10. Step up transformer in rush

    Started by Fal Grunt, 12-22-2015 08:42 PM
    • Replies: 6
    • Views: 2,848
    12-23-2015, 09:06 AM Go to last post
    • Replies: 7
    • Views: 2,322
    12-22-2015, 09:48 PM Go to last post
  11. Need a VFD Control Closer to the front of my mill

    Started by Guncraft, 12-20-2015 03:03 PM
    box, control, electrical, install, vfd
    • Replies: 6
    • Views: 2,369
    12-22-2015, 09:18 AM Go to last post
  12. Need suggestions for wiring rotary converter

    Started by ewagner, 12-19-2015 11:26 PM
    • Replies: 11
    • Views: 2,695
    12-21-2015, 09:54 PM Go to last post
  13. Confirming my VFD conclusions

    Started by jccaclimber, 11-24-2015 10:36 PM
    • Replies: 17
    • Views: 5,062
    12-20-2015, 09:28 PM Go to last post
  14. Enclosure Backplane material

    Started by GVX, 12-18-2015 09:19 PM
    back, enclosure, fire, plate, plexiglas
    • Replies: 5
    • Views: 2,048
    12-19-2015, 05:12 PM Go to last post
  15. DC 50 volt shunt motor and speed control

    Started by fastone53w, 12-18-2015 07:34 PM
    control, motor, speed, wire, wires
    • Replies: 1
    • Views: 1,355
    12-19-2015, 10:48 AM Go to last post
  16. Basic VFD questions from a noob

    Started by pesa, 12-09-2015 08:11 AM
    3-phase, faq, motor, question, vfd
    • Replies: 6
    • Views: 1,683
    12-19-2015, 09:55 AM Go to last post
  17. Please help with wiring dual-voltage motor

    Started by Dave WW, 11-12-2015 10:13 AM
    • Replies: 2
    • Views: 3,639
    12-17-2015, 04:29 PM Go to last post
  18. Static to rotary converter problem

    Started by jerrdan john, 12-17-2015 01:09 PM
    converter, idler, june, motor, static
    • Replies: 1
    • Views: 927
    12-17-2015, 02:54 PM Go to last post
  19. RPC won't reach full rpm, what to try next

    Started by newbutter, 12-15-2015 03:22 AM
    breaker, output, panel, phase, rpc
    • Replies: 8
    • Views: 1,200
    12-17-2015, 11:53 AM Go to last post
  20. 1 phase to 3 phase for new drill press

    Started by nhtr86, 12-15-2015 12:09 PM
    • Replies: 7
    • Views: 3,998
    12-17-2015, 10:10 AM Go to last post
  21. 90-66 Potential Relay Available Again

    Started by peterh5322, 01-05-2015 10:02 PM
    • Replies: 8
    • Views: 2,447
    12-16-2015, 06:44 PM Go to last post
  22. Start Capacitor sizing

    Started by GVX, 12-09-2015 01:42 PM
    motor, phase, start, starting, voltage
    • Replies: 19
    • Views: 13,665
    12-16-2015, 12:20 PM Go to last post
    • Replies: 1
    • Views: 992
    12-15-2015, 11:22 PM Go to last post
  23. OT:Proper photo Cell for LED Light??

    Started by ORAGRAG, 09-19-2014 07:52 PM
    • Replies: 7
    • Views: 16,323
    12-15-2015, 07:34 PM Go to last post
    • Replies: 6
    • Views: 1,134
    12-10-2015, 11:27 AM Go to last post
  24. RPC size question.

    Started by reflexnz, 12-08-2015 11:31 PM
    option, power, price, question, rpc
    • Replies: 8
    • Views: 1,315
    12-10-2015, 10:54 AM Go to last post
  25. Can a GFCI trip fry a VFD?

    Started by rustygreen, 12-08-2015 07:57 PM
    • Replies: 2
    • Views: 1,578
    12-09-2015, 05:11 PM Go to last post
    • Replies: 8
    • Views: 1,753
    12-08-2015, 11:41 AM Go to last post
  26. Single Phase Transformer to de-rated 3 Phase VFD

    Started by AMHarris, 11-23-2015 04:27 AM
    440v, single phase, three phase, transformer, vfd
    • Replies: 4
    • Views: 2,026
    12-07-2015, 09:18 AM Go to last post
  27. AC vs. DC Motor Control

    Started by Rodm1, 12-05-2015 12:28 PM
    cons, control, motor, system, type
    • Replies: 3
    • Views: 2,034
    12-06-2015, 09:13 PM Go to last post
  28. Phase Perfect (group order) SF Bay Area

    Started by swage2011, 12-05-2015 12:13 PM
    • Replies: 0
    • Views: 705
    12-05-2015, 12:13 PM Go to last post
  29. VFD on variable speed drill press

    Started by mousetrap, 12-01-2015 04:34 PM
    drill, phase, speed, variable, vfd
    • Replies: 4
    • Views: 2,914
    12-05-2015, 08:37 AM Go to last post
  30. Old Static Converter Help Needed

    Started by Dynajb, 12-03-2015 02:06 PM
    • Replies: 3
    • Views: 1,097
    12-04-2015, 04:08 AM Go to last post
  31. Fanuc spindle drive blows 5A fuse

    Started by kevvywevvywoo, 11-17-2015 05:00 PM
    • Replies: 13
    • Views: 3,792
    12-03-2015, 05:58 AM Go to last post
  32. SSRs to Run Two Motors off One VFD

    Started by Halcohead, 11-30-2015 01:09 AM
    motor, motors, ssr, ssrs, vfd
    • Replies: 12
    • Views: 2,466
    12-02-2015, 02:01 PM Go to last post
  33. Transformer Input Requirements

    Started by millinCanuck, 12-01-2015 09:05 AM
    input, phase, power, transformer, vfd
    • Replies: 8
    • Views: 1,280
    12-02-2015, 01:40 PM Go to last post
  34. Vfd for a Colchester Bantam lathe

    Started by kensmachine, 12-02-2015 10:10 AM
    brake, colchester, foot, motor, vfd
    • Replies: 0
    • Views: 1,313
    12-02-2015, 10:10 AM Go to last post

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