[RE-wrenches] Electromagnetic Pulse (EMP)

[boB Gudgel]

On 3/19/2011 7:53 AM, Drake wrote:
> Hello Wrenches,
>
> I had an inquiry concerning the effect of EMP on photovoltaic 
> systems.  We are heading for a period of solar activity that likely 
> will produce this effect.  According to a local AEP (American Electric 
> Power) representative, the utility is spending a lot of money to 
> counter this anticipated problem.  Additionally, nuclear related 
> issues are moving back to the front burner.
>
> It is clear that the pulse would damage an inverter, but possibly it 
> could be put in a Faraday cage.  But a number of questions arise.
>
>     * Would the pulse damage the modules?
>     * Could the large currents and voltages induced by EMP damage the
>       conductors in the cells?
>     * Even if the inverters were surrounded by a Faraday cage, would
>       induced currents & voltages from the modules harm the inverters?
>           o Would series fuses and surge protectors be adequate
>             protection.
>
> Has any research been done in this area?  Does anyone know answers to 
> any of these questions?
>
> Thanks,
>
> Drake
>


I don't remember seeing much if any problems during previous 11 year 
cycle solar maximums, really...

Being a ham radio guy, I look forward to solar max and more sunspots...  
HF radio works WAY better during solar maximum !

boB



> Drake Chamberlin
> Athens Electric
> OH License 44810
> CO license 3773
> NABCEP Certified PV
>
>
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