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  1. D

    Setting up a VFD to unknown motor

    Don't forget it appears to be a single phase motor not designed for VFD, only 60 Hz constant speed.
  2. D

    Setting up a VFD to unknown motor

    One test is for 110V Hz power, under load. The second test, you have already performed. The bottom line, per an internet search is that 3-phase motors motors are required, good luck finding your new motor, with specs
  3. D

    Setting up a VFD to unknown motor

    you'll need complete specs for your motor, and whether it is suited to VFD drive.
  4. D

    How to achieve Parallel Operation of More than 1 Diesel Generators (Common Gen Bus ) and Utility Transformer

    You are showing synchronization between the diesel-gen sets. How do you plan to coordinate voltage, frequency, power balance, and phase with the independent power source?
  5. D

    Check Valve Impact on Motor Blower Current

    the power will be proportional to the mass flow for low pressure blowers
  6. D

    Explication

    Utilisez Google Translate pour les différents termes de votre dessin, et cela vous aidera English translation: Use Google Translate for the different terms of your drawing, and this will help you
  7. D

    Check Valve Impact on Motor Blower Current

    why is your check valve not fully opened?
  8. D

    Is Speed sensors considered SCE in Fire water Pump

    What does your sensor report if the engine fails to start?
  9. D

    I don't know if the capacitance of a capacitor is large, the capacitor will discharge with a larger current than other capacitors with the same voltag

    Indeed the discussion is incomplete with out I(t), thats why the rest of the circuit including, if necessary the internal resistance of the capacitor in the case of high farad capacitors, is needed for a meaningful anwer... For a comparison of two similar capacitors in the same service, the...
  10. D

    I don't know if the capacitance of a capacitor is large, the capacitor will discharge with a larger current than other capacitors with the same voltag

    You'll need to specify your complete circuit to answer your question
  11. D

    Bently Nevada Card dropping out causing the 4 radial vibration probes on turbine to go into “Not OK”

    Check wiring continuity to the sensors
  12. D

    I don't know if the capacitance of a capacitor is large, the capacitor will discharge with a larger current than other capacitors with the same voltag

    what is the intended use?
  13. D

    Reflector

    Consult your supplier
  14. D

    Neutral Current is too much high

    Show a schematic of your circuit. You will also need to perform a high voltage leakage test (using megger) to confirm winding insulation.
  15. D

    How voltage increase in parllal

    Post a copy of your circuit drawing
  16. D

    NEC standard drawings.

    "Does the NEC standard require me to also write the distance between devices and their dimensions?" You'll have to purchase a copy of the NEC standards, if your customer does already have them.
  17. D

    Sensor with frequency domain output

    You'll need to start laying out your system bloch diagram and detailing the design requirements of each component, good luck. Sounds like a years worth of effort on your part.
  18. D

    Separate Earth for Intrinsically Safe Instruments

    What is your specific concern. Signal "grounding" is quite distinic from earthing for high power equipment and lightening protection. You'll have to read through Totals entire specification and design requirements for the answer.
  19. D

    NEC standard drawings.

    not all "automation panels" are in safe areas! Consult your customers contract.
  20. D

    NEC standard drawings.

    You'll need access to a copy of the standard through your customer or employer.
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