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Chinese transformers in U.S. power grid have remote backdoor shutoff switches

Posted on 4/15/25 at 6:21 pm
Posted by Crimson Wraith
Member since Jan 2014
29196 posts
Posted on 4/15/25 at 6:21 pm
Posted by graychef
Member since Jun 2008
30172 posts
Posted on 4/15/25 at 6:23 pm to
I have my doubts. Most of this equipment has restricted and closely monitored connections.
Posted by SDVTiger
Cabo San Lucas
Member since Nov 2011
93166 posts
Posted on 4/15/25 at 6:24 pm to
Thanks Biden and Bayoublitz!
Posted by lsuguy84
Madisonville
Member since Feb 2009
26268 posts
Posted on 4/15/25 at 6:25 pm to
The Chinese took control of Optimus Prime?
Posted by 4Bagger
Member since Jan 2025
629 posts
Posted on 4/15/25 at 6:25 pm to
If they did (they don't), they would not dare be used.
Posted by mwlewis
JeffCo
Member since Nov 2010
21720 posts
Posted on 4/15/25 at 6:28 pm to
If the Chinese cut off transformers in our grid that would be a direct declaration of war and they won’t do that.
Posted by Crimson Wraith
Member since Jan 2014
29196 posts
Posted on 4/15/25 at 6:30 pm to
Some other country could do it.
Posted by BayouBlitz
Member since Aug 2007
18126 posts
Posted on 4/15/25 at 6:31 pm to
quote:

Thanks Biden and Bayoublitz!


You're welcome. You stalking freak.
Posted by Ponchy Tiger
Ponchatoula
Member since Aug 2004
48793 posts
Posted on 4/15/25 at 6:32 pm to
quote:

If the Chinese cut off transformers in our grid that would be a direct declaration of war and they won’t do that.


I think you people are missing the point. What if we were at war with them? They could just shutdown the grid or major parts of it.

Posted by SDVTiger
Cabo San Lucas
Member since Nov 2011
93166 posts
Posted on 4/15/25 at 6:34 pm to
quote:

You're welcome.


Figured you kommie
Posted by billjamin
Houston
Member since Jun 2019
16571 posts
Posted on 4/15/25 at 6:34 pm to
quote:

I have my doubts. Most of this equipment has restricted and closely monitored connections.

I agree. It would need an independent comm unit that would be pretty easy to find. Without that it would still pass through the utilities EMS.

ETA. I would be way more worried about them hacking a utility with shitty security and hitting the disco switch on all the meters.
This post was edited on 4/15/25 at 6:45 pm
Posted by omegaman66
greenwell springs
Member since Oct 2007
26266 posts
Posted on 4/15/25 at 6:38 pm to
quote:

If the Chinese cut off transformers in our grid that would be a direct declaration of war and they won’t do that.


Sigh, this was to be used when war breaks out, not before hand. China has been preparing to rule the world for decades. They know war is coming and will be required. What a great weapon to have to be able to shut down the power grid of your enemy and halt the production of military equipment and ammo just when you are trying to ramp it up.
Posted by lake chuck fan
Vinton
Member since Aug 2011
21221 posts
Posted on 4/15/25 at 6:46 pm to
This concern has been kicked around for years.
It's totally reasonable to suspect this. Even more reason that America needs to quickly begin to develop resources to produce these things ourselves. frick the business traitors suing Trump about tariffs. Folks must wake up and understand the reality.
Posted by oldskule
Down South
Member since Mar 2016
23196 posts
Posted on 4/15/25 at 6:59 pm to
No way! You can't trust CHINA for anything, period!
Posted by Cuz413
Member since Nov 2007
9921 posts
Posted on 4/15/25 at 7:10 pm to
As someone with industrial power distribution knowledge, I want to see schematically how this "shut off" switch works.

Also, what are they referring to as massive? 80MVA? 115MVA? 200MVA?

For the general knowledge of the board, massive power transformers do not have switches internally. They are isolated/ energized via a circuit breaker or circuit switcher with primary voltages in the hundreds of thousands of volts (115kv, 230kv, 500kv) these switches are equally as massive.

The circuit breaker is controlled via contacts, relays, or remote hand switches to open or close.
Posted by tigers win2
Baton Rouge
Member since Oct 2009
3914 posts
Posted on 4/15/25 at 7:12 pm to
Most of the 5g wireless equipment is mostly Chinese equipment too.
Posted by AUstar
Member since Dec 2012
19213 posts
Posted on 4/15/25 at 7:21 pm to
quote:

I have my doubts


Oh do you?



There is a reason the government wont use Chinese hardware for sensitive things. They build their own.
Posted by Jack Daniel
Gold member
Member since Feb 2013
28653 posts
Posted on 4/15/25 at 7:43 pm to
I thought our military has already said the Chinese military has drones and missiles that we cannot defend against?
Posted by Trevaylin
south texas
Member since Feb 2019
9610 posts
Posted on 4/15/25 at 7:50 pm to
56 G relay involved
Posted by MrFreakinMiyagi
Reseda
Member since Feb 2007
19696 posts
Posted on 4/15/25 at 7:50 pm to
No
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