0
votes
2answers
265 views

Sixteen 100v isolated power supplies

I need to create sixteen isolated power supplies on a single PCB. Input voltage 9v DC. Output voltage 100v DC. Output current 10mA each. No precise regulation needed. Efficiency not terribly ...
19
votes
3answers
2k views

Why are the high voltage overhead power lines with the same potential being isolated?

Photo #1 Photo #2 Photo #3 - A zoom of Photo #1 Photo #4 - A zoom of Photo #2 I shot these photos while travelling in a highway. In each line-group has three separate lines. I think that the ...
3
votes
3answers
205 views

Sensing signal on a power line from high side

I have a circuit design as above. I'm trying to sense the voltage difference accross the \$ 0.1 \Omega \$ resistor. I physically connected the sensory circuit to the low side of the AC line, and saw ...
4
votes
1answer
192 views

How is pouring water addressed in high-voltage electric transport systems?

An electric train is typically powered with something like 1,5 kilovolts of direct current of something like 25 kilovolts of alternating current. In my experience electric device manufacturers charge ...