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Questions tagged [electricity]

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High temperature in seal oil vacuum pump (not in the bearing), steam power plant. Why the seal oil vacuum pump suddenly increased in temperature?

Seal oil vacuum pump in steam power plant, suddenly have temperature increased, it's in the pump's body, not in the bearing. Why is that happen? I noticed that temperature of main seal oil tank in ...
Ferdiansyah Zhultriza's user avatar
0 votes
3 answers
104 views

Why don't power plants ALSO use smoke and water vapor to generate electricity?

Most power plants work by heating water in order to create steam that is then used to turn turbines which then generates electricity. As a side effect of generating this heat, there is usually some ...
HomegrownPotatoes's user avatar
1 vote
0 answers
36 views

Trying to understand Nathan Stubblefields 1898 American Patent #600,457

I find this solenoid to be intensely interesting. It has a number of unique properties: The coil wire is made from dissimilar metals so that the voltage is internally produced in the coil. The ...
Instrumentation-Tech's user avatar
0 votes
2 answers
126 views

Using the electrolysis of water to cool a room

Browsing the internet yesterday I came across this very esoteric paper which purports to describe the construction of a device which uses the electrolysis of water into hydrogen and oxygen (a highly ...
Hadi Khan's user avatar
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2 answers
28 views

Can I be mostly dependent on solar and batteries? [closed]

Plan A: Ask your neighbors to give you permission to install solar panels on their roofs (ofcourse you can manipulate them into saying yes by giving them money once off ) So Ask your neighbors to give ...
Bheka Majola's user avatar
2 votes
2 answers
125 views

Can we create electricity through an hourglass?

So imagine this, an hourglass that is the size of a two storey house in height but is wide as an average sedan car that can trickle sand for 5 hours, and at the middle there's a gear which is turned ...
Bheka Majola's user avatar
0 votes
0 answers
36 views

Peculiar step-down transformer behavior

I have wired several loaded transformers and when calculating power on H vs X side by multiplying current times voltage the wattage is not even close to equal with the H side having 2 to 3 times more ...
ZipStein's user avatar
1 vote
1 answer
176 views

Why did the metal railings to the stairs in the big ferries used to shock me?

When I was a kid, and even in adult age, I sometimes went on these large (well, to me, at least) cruise ships which had multiple (like ten) levels to roam around in. You either got there with the ...
Venton Selland's user avatar
1 vote
1 answer
61 views

Why do identical-looking power plugs randomly not fit in some sockets in the same power strip?

This has bothered me for many years, but I'm only now coming around to ask about it. I don't know if this is unique to Sweden or something, but for whatever reason, when I try to plug things into the ...
G. Flurer's user avatar
1 vote
2 answers
134 views

Why am I getting such conflicting safety advice regarding opening up and dedusting/servicing my CRT TV?

I have asked questions on Stack Exchange. I have watched many videos on YouTube. I have asked professional TV repairmen. I get wildly different advice on the safety of opening my 1989 28" CRT TV. ...
L. Yerke's user avatar
2 votes
0 answers
29 views

When working with generic electrically shielded signal cable, can I treat the unshielded strands of wire as signal reference ground?

I am working on a CNC application where one controller board will be sending signals to another board. The environment may have electromagnetic interference (EMI) from nearby motor activity, so these ...
user391339's user avatar