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  1. HRoomba

    Advanced hydraulics Book

    Hi there! The title says it all, I am after a book that teaches hydraulics at an advanced level. The books that I've encountered so far I would consider to be basic and far away from real applications. For example I haven't been able to find a book that teaches how to size a radiator (if...
  2. HRoomba

    Abrupt UPS bypassing

    Thank you Bill, This will come in very handy. Best regards.
  3. HRoomba

    Abrupt UPS bypassing

    Thank you Bill, This answer has been very helpful. In my case, those switches are completely independent, so no possibility of doing that. We'll use a lock on the enclosure to avoid surprises, thank you! Regards.
  4. HRoomba

    Abrupt UPS bypassing

    Thanks LittleInch, Goes without saying that wont try anything against what the manufacturer says, my question was purely academic. I was just curious as to how to 'model' this scenario and the end result, from a technical standpoint. Thanks! Regards
  5. HRoomba

    Abrupt UPS bypassing

    Hello, Thanks in advance for your help, I hope I can gain some insight, as this system is s bit foreign to me. I have this 30kVA UPS that say takes in a voltage of 226V which rectifies (feeds the batteries) and returns an AC current stabilized to 230V required as it is going to power some very...
  6. HRoomba

    Different configuration electrodes resistance deduction

    Thank you very much Cucky2000! Is it possible that you quote the EPRI document you got that table from so I can look for that? Thanks and I wish you a great start of the year :) Regards, Héctor
  7. HRoomba

    Different configuration electrodes resistance deduction

    Good afternoon from Spain, I am interested in knowing the deduction of the earth resistance expression for different earth electrode configurations. For example I've consulted this doc on http://dl.lib.mrt.ac.lk/bitstream/handle/123/776/93877_5.pdf?sequence=7.html that shows simple expressions...

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