[TowerTalk] SWR and voltage

[Steve NR4M]

Exactly what I was looking for, Steve.

I should have mentioned that I was looking for a max number.
Would hate to have the device conduct while running the 'full boogie'.

73 de Steve, NR4M

On 9/26/2016 11:38, Steve Hunt wrote:
> Steve,
>
> Firstly your figures are out for the 50 Ohm system; the figures are 
> 273.9V and 5.5A
>
> Once the SWR is no longer 1:1, there is an infinite range of 
> impedances for any particular SWR, and therefore an infinite range of 
> voltages and currents for a dissipation of 1500W. However, here are 
> the upper and lower limits:
>
> 2:1 SWR: 387.3V / 3.9A thru 193.6V / 7.7A
>
> 3:1 SWR: 474.3V / 3.2A thru 158.1V / 9.5A
>
> Steve G3TXQ
>
>
>
> On 26/09/2016 16:17, Steve NR4M wrote:
>> Hello all,
>>
>> As I recall, in a 50 ohm system, 1500 watts is about 400 volts and 
>> about 6 amps.   Could someone give me an approximation of what I 
>> could expect at 2:1 and 3:1 SWR?
>>
>> Or, direct me to a formula.
>>
>> I am looking at some gas discharge devices to help me mitigate 
>> lightning issues and damage.
>> I have been using low voltage ones for years with low voltage DC 
>> control lines and such, and now I'd like to try and apply them to the 
>> coax lines.
>>
>> 73 de Steve NR4M
>>
>>
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-- 
73 de Steve, NR4M