In-depth look at True Sine Wave UPS operation
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All Comments (12)
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thats great. very cool.
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About 7:40 if you got lower voltage you woult have more turns to rise the voltage and vice versa.
So, if voltage is high mid-off down-on, if low mid-off up-on.
Sorry if I'm wrong.
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Excellent and straight forward explanation!
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thanks for explaining in such detail. Very good video!
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All respect !
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Excellent demonstration!, I've learned a lot from that!. thanks!
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Great explanation!
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great video!! it give me the motivation to investigate my UPS XD.
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Awesome video! What model UPS is that?
That's a really sweet scope you have there. I'm still using a 10Mhz analog one.
Maxxarcade 1 year ago
@Maxxarcade It's an APC NS3000RMT3U.
Yep, these Agilent scopes are very nice, but there's nothing wrong with the older ones, they're perfectly good for a lot of jobs.
tesla500 1 year ago
I was curious about how these works. Thanks for this video it really helped me to understand that. I wasn't expecting something like PWM to make the sinewave. I wanted to modify my modified-sinewave inverter to produce the true sinewave simply by adding a LC on the output, which really worked but it consumed about 40% of power so it was very bad solution and i removed it. To construct this, it will be much more difficult for me...
filipkof 1 year ago
@filipkof Glad you liked it!
True sine UPSs aren't really that important unless you're running a motor. PCs and other things with switching power supplies work just fine on a square wave.
LC filters are used in very large (100s of megawatts) inverters on the end of DC power transmission lines, but I think they use more than just a 3 step waveform like traditional UPSs put out.
tesla500 1 year ago