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  1. wayne440

    500 HP, 440V motor

    Claiming no expertise, I will guess that 600A is close to the FLC of that motor. To me, you do not have enough drive capacity.
  2. wayne440

    Generator Reconfigure

    Are you sure you are metering properly? Looks to me like you may be metering from the middle of the zig-zag.
  3. wayne440

    REMOTE START / STOP FOR LVR MOTOR CONTROLLER FIRE PUMP

    This is a marine application, if I am reading the original post correctly.
  4. wayne440

    Dual Fuel Generation

    My (limited) experience in the power generation industry has been that "gas" = gaseous fuels (natural gas, propane etc.) and that "gasoline" = liquid fuels sold as gasoline (gasoline, E10, etc.)
  5. wayne440

    Looking for Mini breaker with aux contacts

    More information may yield a useful answer. AC or DC? Voltage? Define "mini"
  6. wayne440

    380V/60HZ/3PH POWER SUPPLY

    More useful answers might result if the OP will state exactly what "said machine" is.
  7. wayne440

    Arcing fault at 480/277V panelboard, overcurrent protection, and grounding

    What were the weather conditions at the time of the incident?
  8. wayne440

    240 supply voltage harmoniser for domestic property 100A

    Another thought- "Recalibrate" the EMI meter to show a significant drop in level and see if the placebo effect comes in to play. The human mind is a wonderful thing, if a person thinks they should feel better they often will.
  9. wayne440

    PV backfeeding the grid

    I respectfully disagree. A typical 15kVA 7200 to 120/240 transformer will happily produce 7200V as long as there is no significant load on the line when a 2kW generator is connected to half of the secondary.
  10. wayne440

    Testing Diode on an Alternator

    +1 for what waross wrote.
  11. wayne440

    Hello. Some help please

    Please define "disconnect it without having to use a screwdriver or any other tool" (a) you want to be able to unplug the connectors from each other. (b) you want to remove the connector from the wires. I suggest a search for "SD20 2pin Waterproof Connector" if the former.
  12. wayne440

    re-coil a electric motor

    @waross- well put.
  13. wayne440

    transition starter from star to delta

    A helper and pair of 2-way radios can often make it practical.
  14. wayne440

    I have a need for a 1000kw electric

    Random thoughts follow- I would not want to be in a position that relied on a UPS to allow use of "an emergency generator". Your gas supplier may tell you that drawing 12000 cubic feet per hour with said booster pump will not be possible due to infrastructure limitations. When you need fuel...
  15. wayne440

    Denny's Sign Failure Elizabethtown, KY 1/23/23

    If there was a significant investigation into that event, I have not been able to find out about it.
  16. wayne440

    I have a need for a 1000kw electric

    That set requires 100~400kPa of gas pressure, which the OP does not have. (edit removed reference to the engine input pressure of 7~9 kPa)
  17. wayne440

    I have a need for a 1000kw electric

    My off the cuff thought is to consult with the gas company; tell them you will need about 12000 cubic feet per hour, and then decide if it makes more sense to obtain a diesel fueled set.
  18. wayne440

    Pump Search - Small, Manual, Positive Displacement

    Maybe make your own with a small hydraulic cylinder as used in RC models etc.
  19. wayne440

    Can we start an ID fan motor 700 kW 690 Vac direct on line?

    Good luck. To me, "lots of problem" is reason to consider looking for a different VSD manufacturer after this crisis has been resolved.
  20. wayne440

    Load Testing of GTGs at offshore

    FWIW, most load banks are transportable.

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