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UPS Electrical Failure - Teardown and Analysis!
30:21
Wattmeters - what's inside, how do they work
12:33
What is a UPS and how does it work?
22:11
Failed 24V 10A power supply repair
16:00
How does an Uninterruptible Power Supply (UPS) work?
19:25
24V 1000W power supply - autopsy (transformer, GDT, capacitors)
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UPS açılmıyor
7:56