Welcome to EDAboard.com

Welcome to our site! EDAboard.com is an international Electronics Discussion Forum focused on EDA software, circuits, schematics, books, theory, papers, asic, pld, 8051, DSP, Network, RF, Analog Design, PCB, Service Manuals... and a whole lot more! To participate you need to register. Registration is free. Click here to register now.

12V 5A needed

Klajunas1

Newbie
Joined
Jun 29, 2022
Messages
1
Helped
0
Reputation
0
Reaction score
0
Trophy points
1
Activity points
13
Hi all,

I have a mini wind turbine that generates 25 - 29V but it gives me only 100mA. I need 12V 5A - how could I achieve this?
 

KlausST

Super Moderator
Staff member
Joined
Apr 17, 2014
Messages
22,244
Helped
4,613
Reputation
9,242
Reaction score
4,878
Trophy points
1,393
Activity points
146,954
Hi,

let´s say 26V and 100mA. This gives 2.6W
but you want 12V x 5A = 60W,

You can´t ignore law of physics.

So for continous power you can´t expect much more than 2W. (2.6W reduced to 2W because of expectable loss)

Thus the only way is to work "discontinous".
Store 2W for 1 hour (example) into a battery and you have 2 WattHour of energy in your battery.
If you have a suitable battery than it may deliver 60W for 2Watthour/60W = 1/30 hour = 2 minutes.
.. oh, I forgot to reduce it by the expectable loss, so better expect 1.5minutes.

Klaus
 

barry

Advanced Member level 5
Joined
Mar 31, 2005
Messages
5,716
Helped
1,152
Reputation
2,316
Reaction score
1,233
Trophy points
1,393
Location
California, USA
Activity points
31,184
Hi,

let´s say 26V and 100mA. This gives 2.6W
but you want 12V x 5A = 60W,

You can´t ignore law of physics.

So for continous power you can´t expect much more than 2W. (2.6W reduced to 2W because of expectable loss)

Thus the only way is to work "discontinous".
Store 2W for 1 hour (example) into a battery and you have 2 WattHour of energy in your battery.
If you have a suitable battery than it may deliver 60W for 2Watthour/60W = 1/30 hour = 2 minutes.
.. oh, I forgot to reduce it by the expectable loss, so better expect 1.5minutes.

Klaus
OP only needs 24 more of these...
 

Audioguru

Advanced Member level 5
Joined
Jan 19, 2008
Messages
9,411
Helped
2,150
Reputation
4,300
Reaction score
1,998
Trophy points
1,393
Location
Toronto area of Canada
Activity points
59,298
Other threads were about solar panels that I was thinking about but this thread is different with a wind turbine.
I hope over-unity will not use the wind turbine generator to power the fan.
 

Akanimo

Advanced Member level 3
Joined
Aug 30, 2016
Messages
750
Helped
130
Reputation
260
Reaction score
132
Trophy points
43
Activity points
5,161
Also, the fan needs to be 24/7 times the size of the wind turbine to be able to blow hot clouds into the battery.
 

LaTeX Commands Quick-Menu:

Part and Inventory Search

Welcome to EDABoard.com

Sponsor

Top