[TowerTalk] Fwd: Grounding of tower

[Jim Lux]

On 5/7/13 8:15 AM, gdaught6 at stanford.edu wrote:
> Jim wrote...
>
>> actually, the voltage rise due to ohmic loss is a tiny fraction of
>> the
>> rise due to L*di/dt.  Typically, a lightning stroke might have a
>> di/dt
>> of 10kV/us for a smallish stroke.  With 1 microhenry inductance
>> (about a
>> meter of any conductor, strap, wire, any size) that's 10kV.
>
> In the interest of physical accuracy, di/dt can't have the units of kV/us.  What was
> meant is obviously kA/us.
>
> 73,



Yup.. Not some special volts^2/second unit..