how to come this situation in the DC windmill power generato

D

developer

Guest
http://www.web7days.com/hydro/windmill2/

when the blades in running clockwise , the DC motor produces positive
current in blue wire while the brown wire to produce negative current.
when the blades in running anti-clockwise , the DC motor produces negative
current in blue wire while the brown wire to produce positive current.


how to overcome such situation because I need the blue wire to produce
position current and the brown wire to produce negative current to charge up
a 12 DV 30 A battery and then use inverter to produces AC current.


TIA.
solar power arm board development team


http://arm.web7days.com arm board Philips 2106 US 45.00
http://www.web7days.com/led solar power control center
http://www.web7days.com/farm farming
 
On Thu, 3 Feb 2005 07:56:52 +0800, in sci.electronics.design
"developer" <noemail@sina.com> wrote:

http://www.web7days.com/hydro/windmill2/

when the blades in running clockwise , the DC motor produces positive
current in blue wire while the brown wire to produce negative current.
when the blades in running anti-clockwise , the DC motor produces negative
current in blue wire while the brown wire to produce positive current.


how to overcome such situation because I need the blue wire to produce
position current and the brown wire to produce negative current to charge up
a 12 DV 30 A battery and then use inverter to produces AC current.


TIA.
solar power arm board development team


http://arm.web7days.com arm board Philips 2106 US 45.00
http://www.web7days.com/led solar power control center
http://www.web7days.com/farm farming

4 diodes connected as a bridge


martin

Serious error.
All shortcuts have disappeared.
Screen. Mind. Both are blank.
 
Gymmie Bob wrote:

Polarity only works on a DC motor with PM magnets. Motors with both wound
amatures and field coils do not reverse direction by reversing both of them.

Does that apply to wound professionals too, or just amateurs?







mike
 
Permanent magnet amateurs only...LOL

good one!

"m II" <C@In.The.Hat> wrote in message news:0CXOd.41864$L_3.1951@clgrps13...
Gymmie Bob wrote:

Polarity only works on a DC motor with PM magnets. Motors with both
wound
amatures and field coils do not reverse direction by reversing both of
them.


Does that apply to wound professionals too, or just amateurs?







mike
 

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