Datenerfassung

[jb79]

Also mein "Projekt" ist seit knapp 2 Monaten leider etwas eingeschalfen, beruflich ist leider im Sommer kaum Zeit nebenbei, hoffe im Herbst wirds wieder besser. Bis dahin wirds auch Neuigkeiten von den eisenlosen Generatoren geben, an denen Bernd und ein paar andere rumbasteln. Darauf (Impulse pro Umdrehung) soll die Meßwerterfassung ja zugeschnitten werden.
Die Regelung würde ich in eine eigene Baugruppe auslagern, die könnte allerdings auch von den Meßwerten profitieren, die ja sowieso zur Verfügung stehen und nur per RS232 wieder eingelesen werden müssen.

[Menelaos]

...also ich habe mir heute ein " Watts op" Wattmeter gekauft. Es soll meiner neuen Scheibengenerator-Anlage als Messstation dienen und maximal und -Dauerleistung messen sowie als Kwh-Zähler dienen. Falls du mal eine praktische Erbrobung deines Gerätes machen willst, kannst du es uns gerne für versuchszwecke zuschicken. Dann sieht man mal wie es sich in der Realität bewährt....wenn nicht, auch gut...ist nur ein Angebot.

Gruß
Max

[haegeman]

dear mister JB79.
if I see your work, I dare to give my question.

if somebody have a good system to take the mesures on a PC
  I desire to have the possibility to memorised
1) power in watts or (volt /ampère)
2) the turbine rpm
3) the m / s wind

  if you look this litle film you see how the Itake mesures ,it's not to complicated, but not practice ,to memorised I must film with a camera
  haegeman_l@skynet.be
[attachment = 0] copie van Afbeelding 446.jpg [/attachment]

http://www.youtube.com/watch?v=f-ixAoelEjM Itake the mesures
Haegeman_l@skynet.be
  [attachment = 0] copie van Afbeelding 446.jpg [/attachment]
 
  http://www.youtube.com/watch?v=f-ixAoelEjM

[jb79]

Hello haegeman!

Very interesting windmill!

At the moment my system is able to measure voltage, current and pulses/second. The power is calculated from voltage and current. The pulses/second will be used for the rpm value. The only thing that is missing is the windspeed, the transmission over an RS232 interface allready works and the values can be stored into a file by the PC (using hyperterminal for example).

So the next step will be to build up a schematic that would be connected to an anemometer that converts the anemometer's rotation speed (rpm) into values from 0-5V that will be feeded into the PIC microprocessor that interprets this values as windspeed values.

So if you continue to observe this thread you might get the solution you need in the future.
I will give the firmware to anybody who needs it, also the source code will be available (for adaptations).
The difficult thing is the pcb, I don't want to have it all on a hole raster pcb because there to much errors can happen during the connection of the components.

[Menelaos]

I have to agree that your machine of wind turbine is an impressive example of a vertical axis style. What kind of alternator is it you're using to generate the electricity?
What's the start up speed?
Do you use gearing?
It would also be nice to have pictures at which we could closely see the mechanism for adjusting the blades...

Rgds
Max

[jb79]

More about this VAWT can be found here. I think we should ask all questions regarding this VAWT there.
There you can also find a picture of the blade adjustment system.

[haegeman]

GENERATOR GINLONG 1800watt at 400 rpm

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[haegeman]

[quote = "jb79"] Haegeman Hello!

  Very interesting windmill!

  At the moment my system is able to measure voltage, current and pulses / second. The power is calculated from voltage and current. The pulses / second will be used for the value rpm The only thing that is missing is the wind speed, plus de la transmission à l'interface RS232 allready works and the values can be stored into a file by the PC (for using hyper terminal example).

  So the next step will be to build up a schematic that would be connected to an anemometer that converts the anemometer's rotation speed (rpm) dans des valeurs de 0-5V qui sera dans le PIC feeded microprocessor valeurs qui interprète cela comme la vitesse du vent values.

  So if you continue to observe this thread you might get the solution you need in the future.
  I will give the firmware to anybody who needs it, c'est-à-dire le code source sera disponible (pour les adaptations).
  The difficult thing is the pcb, je ne veux to have it all on a hole raster pcb because there much to errors can happen during the connection of the components. [/ Quote]
[b] dear jb79for the wind mesure I use one anemometer that I can put sur mon pc [/ b]
[attachment = 0] EPR WindSpeed.rar [/ attachment]

[haegeman]

Hello haegeman!

Very interesting windmill!

At the moment my system is able to measure voltage, current and pulses/second. The power is calculated from voltage and current. The pulses/second will be used for the rpm value. The only thing that is missing is the windspeed, the transmission over an RS232 interface allready works and the values can be stored into a file by the PC (using hyperterminal for example).

So the next step will be to build up a schematic that would be connected to an anemometer that converts the anemometer's rotation speed (rpm) into values from 0-5V that will be feeded into the PIC microprocessor that interprets this values as windspeed values.

So if you continue to observe this thread you might get the solution you need in the future.
I will give the firmware to anybody who needs it, also the source code will be available (for adaptations).
The difficult thing is the pcb, I don't want to have it all on a hole raster pcb because there to much errors can happen during the connection of the components.

dear jb79
for the wind mesure I use one anemometer that I can put on my PC

EPR WindSpeed.rar

(109.06 KiB) 96-mal heruntergeladen

[Windmann]

N´abend,
das geht ja grob in diese richtung....http://www.daswindrad.de/forum/viewtopic.php?f=2&t=265&st=0&sk=t&sd=a