Power Electronics

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Power supplies, power control, power sources/conversion, energy harvesting, battery charging, batteries, etc.
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S
What is the most efficient way to drives a 10W LED with a 20V battery
Last message by
ErnieM
2
20
Replies
8K
Views
M
Drive motor forward on power on, backwards on power off
Last message by
men8th
8
Replies
4K
Views
E
5V Power supply problems.
Last message by
JMac3108
6
Replies
2K
Views
W
Protection system for standalone solar power system
Last message by
Wind23
4
Replies
3K
Views
spinnaker
Harbor Frieght Battery charger "not"
Last message by
crutschow
2
Replies
2K
Views
spinnaker
One big SLA battery or two smaller ones?
Last message by
THE_RB
5
Replies
3K
Views
K
H bridge dc motor power problem.
Last message by
Audioguru
17
Replies
6K
Views
T
12v Marine battery to 5v DC 40A
Last message by
bountyhunter
4
Replies
3K
Views
X
rechargeable battery problem
Last message by
Audioguru
6
Replies
2K
Views
R
Battery charger constant current stage issue
Last message by
Audioguru
5
Replies
2K
Views
spinnaker
What solar panel and battery to select?
Last message by
Kermit2
16
Replies
4K
Views
S
tweeter speaker power?
Last message by
Audioguru
7
Replies
4K
Views
D
Battery pack switching Series to Parallel
Last message by
Sensacell
2
Replies
2K
Views
vpoko
Power line conditioner
Last message by
#12
4
Replies
2K
Views
H
internal resistance of a battery
Last message by
sdowney717
10
Replies
14K
Views
U
Help with my attempt to PWM control Mains power.
Last message by
crutschow
9
Replies
4K
Views
R
Cannot charge Li-Ion battery
Last message by
Audioguru
3
Replies
2K
Views
tryin2fixit
power cord, What's this thing? (see pic)
Last message by
DerStrom8
8
Replies
3K
Views
M
battery charger
Last message by
majorkuso
2
22
Replies
5K
Views
C
please help my ebike so lost. no power from controller to motor
Last message by
wayneh
17
Replies
12K
Views
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