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That idea has promise. Thanks, Ralph! ...Jim Thompson
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That idea has promise. Thanks, Ralph! ...Jim Thompson
-- | James E.Thompson, CTO | mens | | Analog Innovations, Inc. | et | | Analog/Mixed-Signal ASIC's and Discrete Systems | manus | | Phoenix, Arizona 85048 Skype: Contacts Only | | | Voice:(480)460-2350 Fax: Available upon request | Brass Rat | | E-mail Icon at http://www.analog-innovations.com | 1962 | I love to cook with wine. Sometimes I even put it in the food.
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Lots of fairies, but no bikes ?:-) Flail away, Schadenfreude, Schadenfreude, Schadenfreude... dork, dork dork :-) ...Jim Thompson
-- | James E.Thompson, CTO | mens | | Analog Innovations, Inc. | et | | Analog/Mixed-Signal ASIC's and Discrete Systems | manus | | Phoenix, Arizona 85048 Skype: Contacts Only | | | Voice:(480)460-2350 Fax: Available upon request | Brass Rat | | E-mail Icon at http://www.analog-innovations.com | 1962 | I love to cook with wine. Sometimes I even put it in the food.
I can _prove_ your fallacy, but keep it up. I always aim to maximize my trashing :-) Flail away, Schadenfreude, Schadenfreude, Schadenfreude... dork, dork, dork :-) ...Jim Thompson
-- | James E.Thompson, CTO | mens | | Analog Innovations, Inc. | et | | Analog/Mixed-Signal ASIC's and Discrete Systems | manus | | Phoenix, Arizona 85048 Skype: Contacts Only | | | Voice:(480)460-2350 Fax: Available upon request | Brass Rat | | E-mail Icon at http://www.analog-innovations.com | 1962 | I love to cook with wine. Sometimes I even put it in the food.
You've lost your mind; second childhood for sure.
One symptom is that you can't understand electronics any more.
John
You keep making that absurd noise, over and over. You have to add smilies to everything you post, because nobody else would recognize your sad concept of humor.
You have said nothing so far that suggests that you understand this stuff. If you can prove something, do it. If you can design a switcher, do it and post it like you said you would.
Old fool.
John
I guess that's better than only being able to toss ("toss", in the generic sense :-) platitudes.
Flail away, Schadenfreude, Schadenfreude, Schadenfreude... dork, dork, dork :-) ...Jim Thompson
-- | James E.Thompson, CTO | mens | | Analog Innovations, Inc. | et | | Analog/Mixed-Signal ASIC's and Discrete Systems | manus | | Phoenix, Arizona 85048 Skype: Contacts Only | | | Voice:(480)460-2350 Fax: Available upon request | Brass Rat | | E-mail Icon at http://www.analog-innovations.com | 1962 | I love to cook with wine. Sometimes I even put it in the food.
The old cluck meister "tosses".
Flail away, Schadenfreude, Schadenfreude, Schadenfreude... dork, dork, dork :-)
You've lost, Larkin, you have no competence. ...Jim Thompson
-- | James E.Thompson, CTO | mens | | Analog Innovations, Inc. | et | | Analog/Mixed-Signal ASIC's and Discrete Systems | manus | | Phoenix, Arizona 85048 Skype: Contacts Only | | | Voice:(480)460-2350 Fax: Available upon request | Brass Rat | | E-mail Icon at http://www.analog-innovations.com | 1962 | I love to cook with wine. Sometimes I even put it in the food.
Say something about the impedance of alternators, you stupid old fool.
John
As your cohort says, "naa, naa, naa, poo poo", I got your goat... bugs the shit out of you, doesn't it ?:-)
You're incompetent, John, face it. ...Jim Thompson
-- | James E.Thompson, CTO | mens | | Analog Innovations, Inc. | et | | Analog/Mixed-Signal ASIC's and Discrete Systems | manus | | Phoenix, Arizona 85048 Skype: Contacts Only | | | Voice:(480)460-2350 Fax: Available upon request | Brass Rat | | E-mail Icon at http://www.analog-innovations.com | 1962 | I love to cook with wine. Sometimes I even put it in the food.
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I know I shouldn't get into this but anyways, .. John has called you, you say you have a winner so show your cards
I don't see how schadenfreude has anything to do with it, but since you mention it:
-Lasse
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AHA ! Here is a buck converter tracking a variable input alternator from varying wind speed charging a battery. Since it runs from a pre-set power curve, it gets around the bogging down you were mentioning. It's Maximum Power Point Tracking an alternator. I ~think~ this is sorta what you are talking about, John.
boB K7IQ
Late at night, by candle light, Jim Thompson penned this immortal opus:
Silly old goat. Post up what you've got, if anything, and go to hell. Nobody believes you've got anything real, just teasing.
- YD.
-- Remove HAT if replying by mail.
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7.2V toAha, indeed! How many messages back did I point that out? Having already demonstrated the problem. ...Jim Thompson
-- | James E.Thompson, CTO | mens | | Analog Innovations, Inc. | et | | Analog/Mixed-Signal ASIC's and Discrete Systems | manus | | Phoenix, Arizona 85048 Skype: Contacts Only | | | Voice:(480)460-2350 Fax: Available upon request | Brass Rat | | E-mail Icon at http://www.analog-innovations.com | 1962 | I love to cook with wine. Sometimes I even put it in the food.
Jim and John, please make some attempt to act your age (which is embarrassing for me to say, since I suspect I'm younger than either of you).
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Hmmmm... Now this is entirely conceptual, with no analysis behind it, but what if you took the pre-rectifier generator voltage output, squared it up and then turned OFF the pass element in your buck converter for a fixed time period on every rising edge. This would give you a frequency dependdnt duty cycle.
The two down sides are that at very high speeds the converter would shut itself off, and without a PLL, the PWM frequency would be too low for practical purposes. Anyway, an interesting thought experiment (and it could probably be implemented using a 555 timer and a few other components, but probably shouldn't...).
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7.2V toThat suggests an interesting concept, to have a switching regulator that gets its duty cycle info or feedback from its *input* instead of from the usual output. It could, for example, try to regulate its input voltage, looking to the alternator like a shunt regulator. That's stable. A compound control loop could allow for controlled charging of a battery.
Or you could make a switcher whose input looks positive resistive, which would also be stable driven from a current source.
A conventional regulating switcher with a limited duty cycle probably works, too, to avoid the startup bog. I do that in bucks and especially flybacks to avoid lockup states.
John
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That's mostly what the wind MPPT charger that I posted a youtube link of in an earlier post does. It adjusts the duty cycle based on an I-V or P-V power curve. It is a current product.
boB
I know I shouldn't get into this but anyways, .. John has called you, you say you have a winner so show your cards vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv
I suspect JL is right - JT just doesn't know.
I'm just over a month away from celebrating my 18th Birthday :-) ...Jim Thompson
-- | James E.Thompson, CTO | mens | | Analog Innovations, Inc. | et | | Analog/Mixed-Signal ASIC's and Discrete Systems | manus | | Phoenix, Arizona 85048 Skype: Contacts Only | | | Voice:(480)460-2350 Fax: Available upon request | Brass Rat | | E-mail Icon at http://www.analog-innovations.com | 1962 | I love to cook with wine. Sometimes I even put it in the food.
At least JT didn't succeed in sabotaging the thread before I got a good answer to my original question.
The schoolyard bully has clearly lost as he's resorted to taunting JL.
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