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| Mr. Scram:
--- Quote from: wraper on August 14, 2019, 05:07:37 pm ---Obvious solution such as insulation gets opened within the box and closed back once it leaves the box? The only thing other than accessing conductors within insulation is placing a lot of wire inside the box for which there is no space. Wireless power transfer within the box is simply nonsense. --- End quote --- It seems you did some research and calculations. Please share them with us. |
| wraper:
--- Quote from: Mr. Scram on August 14, 2019, 05:12:26 pm --- --- Quote from: wraper on August 14, 2019, 05:07:37 pm ---Obvious solution such as insulation gets opened within the box and closed back once it leaves the box? The only thing other than accessing conductors within insulation is placing a lot of wire inside the box for which there is no space. Wireless power transfer within the box is simply nonsense. --- End quote --- It seems you did some research and calculations. Please share them with us. --- End quote --- What calculations? How much power you can salvage from insulated wire? For such wire even current transformer would not work, even if there was current flowing through the wire (in both directions nullifying already tiny effect). Not to say how do you get earth connection from that, also by induction? BTW WTF is that USB 3.0 claim? There is only charging to begin with. |
| fourfathom:
Yeah, it has to be a vampire tap (insulation-piercing). Probably using needle spikes, which won't cause much visible damage to the woven cover on the wire. I don't see how the resulting holes in the actual wire insulation will comply with any safety standards, at least not after the unit is re-positioned. And there's no way that a single-turn transformer will couple usable power at 60Hz, even if the transformer core is the full length of the case. No calculations needed, I just know it from experience. |
| Mr. Scram:
--- Quote from: wraper on August 14, 2019, 05:17:24 pm ---What calculations? How much power you can salvage from insulated wire? For such wire even current transformer would not work, even if there was current flowing through the wire (in both directions nullifying already tiny effect). Not to say how do you get earth connection from that, also by induction? BTW WTF is that USB 3.0 claim? There is only charging to begin with. --- End quote --- What calculations? You mean to tell us your speculations presented as facts were pulled out of your ass? What a surprise. ;D |
| Mr. Scram:
--- Quote from: fourfathom on August 14, 2019, 06:04:00 pm ---Yeah, it has to be a vampire tap (insulation-piercing). Probably using needle spikes, which won't cause much visible damage to the woven cover on the wire. I don't see how the resulting holes in the actual wire insulation will comply with any safety standards, at least not after the unit is re-positioned. And there's no way that a single-turn transformer will couple usable power at 60Hz, even if the transformer core is the full length of the case. No calculations needed, I just know it from experience. --- End quote --- It doesn't have to be 60 Hz though. They could convert what goes into the cable first. Maybe it's not a straight copper wire. Note that I'm not claiming it's actually induction. I'm just saying we have very little hard information and prototypes or even mock-upsaren't exactly a good indication. We can come up with hundreds of ways they haven't done it, but we don't know how they have done it or have done it at all. |
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