IRC Logs for #circuits Friday, 2016-04-15

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alwonkHi there!16:49
alwonkLet's say that you have a transformer in your system that you want to protect from large surges of current from an external source...16:50
alwonkOne method that I've seen to handle this kind of issue is to put a Zener diode that is rated for some Zener-Voltage (V_z), and connected to the zener diode is a direct path to ground.16:52
alwonk---In this case, if the voltage at the point in the circuit that you are trying to protect ever exceeds the zener voltage; then any excess is bled off to ground.  (This is my understanding of the theory - I fear there may be some bugs in it)16:54
alwonkSo on to my actual question:16:54
alwonkI have seen articles written about the dangers posed by solar flares and coronal mass ejections.  Solar storms can be powerful enough to damage the grid.16:55
alwonkSo the concern is that a freak solar storm may wipe out the electrical grids in the Northern and Southern latitudes, leaving the world without a central electrical source for years until the infrastructure that was damaged is repaired.16:57
alwonkNow, cost may be a barrier to implementing this kind of a solution, but... can properly rated Zener diodes be placed into the power grid circuit in such a way as to prevent damage to the power grid --- even in the event of a freak solar storm?16:59
alwonkpython...  this is the wrong forum to be asking this question...17:05
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