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Thread: EMP vs MEP003a & 2

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    Corporal billypop's Avatar
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    Default EMP vs MEP003a & 2

    Will an EMP take out our generators?? I've seen some boards in the control panel and I was wondering about 'hardening' it for insurance sake!
    Thanks!
    Billypop

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    Sergeant Major n1oty's Avatar
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    Not necessarily. The diesel motor and gen head are generally safe. The electronics would be the major concern, more specifically the transistors. However, the metal control box should tend to act like a farraday cage. This provides quite a bit of protection. Grounding can supply even more protection. Finally, a generator not in use during the EMP event is less susceptible to damage than one in use during the event. So, if you are dragging out your generator after the EMP has knocked out the power grid, you'll probably be OK.

    John

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    I agree fully with John's comments, they are 'spot on'. As well any generator set that is in a fully enclosed box (such as a MEP-004A's ASK) is going to be well protected from most anything. The steel of the enclosure will somewhat attenuate the magnetic pulse, which is very helpful. One strong recommendation, if you are worried about this, is to make sure that there are no leads connected to it, as they will conduct high energy pulses into the system, which may result in damage.
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    EMP effects are usually for longer runs of 'normal' stuff. Micro electronics (read computer chips) have much smaller wires which burn up when they get too much voltage in them. If you can see the discrete components (resistors, capacitors, diodes, transistors. etc.) it will be ok if not plugged into any long runs (over 100 ft) of external wires. The Carrington Event conditions arose because the EMP arrived in different places at slightly different times, creating a voltage difference in wires that were connected to each other. That's the simple explanation. MEP generators that are not in use and otherwise electrically isolated should be fine.
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    Thanks for the input! I guess grounding these 'not in use gens' might be extra insurance carrying any current to ground.
    Thanks Again!
    Billypop

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    Corporal billypop's Avatar
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    Since an EMP travels line of sight, would an aluminum covered building (grounded) act as a faraday box?
    Billypop

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    Yes the electronics are inside a steel box but that box is grounded to the unit therefore it will conduct the emp burst/wave through the unit and the electronics. My 003A is on a trailer ( isolated from ground ) and in a steel barn ( buffer ) but I also have it hooked to a ( separate from the building ) ground rod and have all poles grounded together ( see pic ) kinda over kill but what the heck its not like I run it everyday...or month
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    Last edited by Bill W; 03-14-2012 at 08:58.

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    Quote Originally Posted by Bill W View Post
    Yes the electronics are inside a steel box but that box is grounded to the unit therefore it will conduct the emp burst/wave through the unit and the electronics. My 003A is on a trailer ( isolated from ground ) and in a steel barn ( buffer ) but I also have it hooked to a ( separate from the building ) ground rod and have all poles grounded together ( see pic ) kinda over kill but what the heck its not like I run it everyday...or month

    The control box on your MEP-003a generators is made of Aluminum, not steel.
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    How do I convert my genset to Godzilla proof? Is there a flame resistant coating I can apply?

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    you asked !!!!
    (gozilla proof) emp document , ive got a newer one ,will have to look for it
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    Last edited by mikgyverx2; 03-14-2012 at 10:33.
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