All Questions
4 questions
1
vote
0
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40
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Household 3 phase devices
So, I'm not sure if this is the right place to ask this, but have been working on modifying a lawn mower robot that has, for roughly 3 years now been stored under less than favorable conditions. As a ...
- 265
0
votes
3
answers
805
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AC/DC Laptop adapter power losses
I have a laptop power adapter shown in the picture below.
It is written there
170Watt
INPUT: 100-240V ~ 2.5A
OUTPUT: 20V 8.5A
I believe for AC Input they mean Root mean square voltage/current.
for ...
- 115
0
votes
1
answer
744
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Are AC generators more efficient than DC generators?
I've been doing some research into AC and DC generators, and I was wondering if AC has any advantages in terms of efficiency.
Given that AC generators are usually brushless while DC generators ...
- 11
1
vote
1
answer
91
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Will AC Motor Maintain Speed of Descending Object
Suppose we have an AC motor which needs to lower an object at a set speed. We use a PID loop to determine and correct positional errors. Presumably the PID loop will keep the current low as most of ...
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