Graham Gunderson's Energy conference presentation Most impressive and mysterious

[poynt99]

What "bench top power supply" delivers a power signal to its load like this, at 50-75 kHz?

None. And?

Insert head banging into wall emoticon here...

[tinman]

What "bench top power supply" delivers a power signal to its load like this, at 50-75 kHz?

Why would it matter what type of wave form is delivered by the power supply?-it's still providing power,and so it is a power supply--and we always measure our P/in at the power supply output.

Just put all the components of the Hbridge inside a black box,with only the two output terminals pocking out,and forget about everything inside the black box--just like we do with any other power supply,be it a variable DC power supply,or some fancy wave forms from your signal generator.

1 question regarding your provided wave forms.
How is there current flowing without voltage for such a long time?.


Brad

[TinselKoala]

None. And?

Exactly. The "H-bridge" in Gunderson's device is not, and cannot be treated as, any kind of "normal" or bench-top power supply (referring here to TinMan's post.) It is an integral part of the device and the claim of "ou" would never even get out of the starting gate without it.

Insert head banging into wall emoticon here...

Exactly.

[TinselKoala]

Why would it matter what type of wave form is delivered by the power supply?-it's still providing power,and so it is a power supply--and we always measure our P/in at the power supply output.

Just put all the components of the Hbridge inside a black box,with only the two output terminals pocking out,and forget about everything inside the black box--just like we do with any other power supply,be it a variable DC power supply,or some fancy wave forms from your signal generator.

Fine. Let's just substitute some other power supply then. What happens to the claim of "OU" then?

1 question regarding your provided wave forms.
How is there current flowing without voltage for such a long time?.


Brad

Exactly.  You tell me. What kind of power supply will do that?

[minnie]

If the transformer is reacting against the H bridge thingy then in my opinion it, H bridge,
must be included in the test.
            John.