Ok. So a bit of background: I did robotics in high school which got my feet a little wet with electronics. I didn’t understand much because it was mostly plug and play devices and a small amount of drag and drop code. I took electronics engineering in college but never stayed long enough to get my associates. However, I know how transformers, transistors, FET’s, diodes, and all that stuff works (to an extent of course). I’ve built an adjustable linear power supply in college. So I understand how linear works. Current on one side of transformer is seen on the other side with inherent losses. Got it. Good.
This is what confuses thee hell out of me: where there hell does the current come from?
The voltage is easy to figure out. You put a device here and there, voltage goes up or down and filters to clean stuff up. Where does the current come from? In linear, it comes from the transformer one way or another. I’m so confused about how SMPS’s work. I have a feeling that the energy is stored in capacitors and inductors but I don’t fully understand if that’s it. I know that frequency plays a role but I don’t understand the role 100%.
So I’m an electrician now and for example: we use 10awg for 30 amps or current. But how does smaller transformers produce much larger current and use smaller wire? Maybe the transformer isn’t seeing 30amps. Maybe the frequency affects the heating of conductors differently.
Idk idk. I want to purchase the switch mode power supply design book but it’s like $100 and I can’t justify that cost just yet. I’m hoping with a little bit of explanation I can probably figure out some of it.
This is what confuses thee hell out of me: where there hell does the current come from?
The voltage is easy to figure out. You put a device here and there, voltage goes up or down and filters to clean stuff up. Where does the current come from? In linear, it comes from the transformer one way or another. I’m so confused about how SMPS’s work. I have a feeling that the energy is stored in capacitors and inductors but I don’t fully understand if that’s it. I know that frequency plays a role but I don’t understand the role 100%.
So I’m an electrician now and for example: we use 10awg for 30 amps or current. But how does smaller transformers produce much larger current and use smaller wire? Maybe the transformer isn’t seeing 30amps. Maybe the frequency affects the heating of conductors differently.
Idk idk. I want to purchase the switch mode power supply design book but it’s like $100 and I can’t justify that cost just yet. I’m hoping with a little bit of explanation I can probably figure out some of it.