Power Electronics

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Power supplies, power control, power sources/conversion, energy harvesting, battery charging, batteries, etc.
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R
drive high power LED with high supply voltage
Last message by
Bernard
3
Replies
3K
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dileepchacko
Calculate the power dissipation
Last message by
t06afre
3
Replies
3K
Views
B
Disconnect dead battery from circuit
Last message by
Bernard
9
Replies
3K
Views
K
How Do I Pick A Transformer For This Power Supply Design?
Last message by
SgtWookie
7
Replies
3K
Views
onlyvinod56
power factor measurement
Last message by
brihad_jy
5
Replies
7K
Views
markosillypig
how to power more led's
Last message by
Wendy
2
24
Replies
6K
Views
S
Power Inverter design types?
Last message by
blueroomelectronics
3
Replies
3K
Views
I
Laptop freezes with use of battery.
Last message by
infringer
4
Replies
2K
Views
O
charging batteries
Last message by
hgmjr
1
Replies
2K
Views
beenthere
Project: Battery charger regulator
Last message by
SgtWookie
2
21
Replies
48K
Views
pandian
Using Conventional Multimeter for Car Battery
Last message by
BMorse
1
Replies
4K
Views
E
Simple Power Supply
Last message by
mik3
3
Replies
2K
Views
A
Neons on 12V car battery
Last message by
TexAvery
2
Replies
3K
Views
onlyvinod56
can i connect 7805 to a 12v battery?
Last message by
onlyvinod56
4
Replies
5K
Views
N
Help me power my project
Last message by
Wendy
2
35
Replies
6K
Views
W
NiMH battery charger HELP!
Last message by
Audioguru
2
35
Replies
7K
Views
T
battery charge rate
Last message by
bountyhunter
9
Replies
4K
Views
J
Power Peltier Device from Laptop Power Supply
Last message by
t06afre
5
Replies
8K
Views
F
Using a variable power supply for charging and discharging
Last message by
Smoke_Maker
5
Replies
4K
Views
D
generating -9v rail from 9v battery
Last message by
rogs
16
Replies
9K
Views
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