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  • Users: pamcinto
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  1. pamcinto

    Hydrogen Flashback Prevention

    If I have a bunsen-burner fed by a hydrogen gas source, how do I make sure that I don't get a flashback to my source? Also, can anybody tell me or point me to a good reference describing how to size a pressure relief valve?
  2. pamcinto

    Reliability - MIL-HDBK-217 or Telcordia SR-332??

    I am trying to figure out if I should calculate the MTBF of my new product using 217 or SR-332. I have read all the high level information on the differences between the two and I have experience performing the calculation using the MIL217 method. Can anyone tell me some more detailed...
  3. pamcinto

    Underpowered VFD....will it work?

    I have a 100HP/460V synchronous motor sitting in the back of my shop along with a 40HP/460V VFD. I am hoping to hook the two parts together. The motor will be very lightly loaded with a gear box. The only thing I am concerned about is actually starting from 0RPM (kind of like a locked rotor...
  4. pamcinto

    SR motor for EV?

    I was hoping that I could get any information/comments that my colleagues at Eng-Tips may care to voice. I have been investigating SR motors (Switched Reluctance) and have been itching to play with one. I have many articles/papers/books on the control of these motors (as well as other electric...
  5. pamcinto

    BLDC Motor control components

    I've got to design a control for a brushless DC motor and I'm looking for control chips to build from. To give an idea of what I'm looking for, Fairchild Semiconductor made a part that would've been just about perfect...the ML4426 BLDC motor controller. The specifics were the bi-directional...

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