Latest threads in ⏚ Electrical Engineeringshow only best voted threads

Subject Author Posted Replies
 
1.5 VDC Pseudocell
This project shows how to build a 1.5 VDC pseudocell to take the place of an AA sized battery. The mechanical aspect of this project offers the greatest challenge. The electronic portion utilizes an...
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Composite video
Dumb question Why won't a TV distribution amp pass this? It sounds like it ought to be up in the RF band. I have a composite video signal that is not happy being split so I put a TV amp in the line...
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electronic ballast woes...
One of my clients who is a hairdresser bought one of these cheap chinese sterilizers for sterilizing her scissors etc.which is actually a plastic box with a fluorescent lamp sans phosphor that emits...
 
HVDC underwater connectionof Crete to Greece mainland
A few weeks ago the contracts were signed for this connection, from Crete, to Attica, 2 underwater cables, length 500 km, 500 kV, goes without saying that the inhabitants of the Damasta village, don't...
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Rhode & Schwarz - Website Down?
Hello, all. I haven't been able to access the subject's website for 2 weeks now. Assuming the problem isn't on my end why would a major supplier of test equipment allow this? Thanks for any insight....
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Voltage regulation on very old distribution circuit
Consider in the rural US, a very old section of a distribution circuit, operating at 4800Y/2770 volts delta. It is fed through a wye/delta transformer bank fed from a 13.8 kV distribution circuit...
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Power Factor Correction
Hello, all. I'm an EE by trade but have never worked with, nor designed, AC power distribution systems. On overhead medium-voltage (say up to 69 kV) lines one often sees banks of subject capacitors on...
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Dynamo
Figuratively speaking the rise decided by the run needs reworking. Ron E Paul wrote in news:r30e1a$1dab$1 There is a run in your hose but it is not giving anyone a rise.
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Negative 48 Volts DC
Is anyone willing to explain Negative 48 Volts DC? I'm trying to learn about it because we're using it for a few things at work and I'd like to better understand what we're working with than simply...
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Jacobs ladder variable frequency and duty cycle effects
Jacobs ladder and the effects of frequency and duty cycle. You can find the schematic for the circuit used in this video here: https://ibb.co/x7fC8R5 This is just a short video showing how different...
 
Jacobs ladder in the dark
Jacobs ladder in the dark What my jacobs ladder can look like in the dark. The schematic for the circuit shown in this video can be found here: https://ibb.co/x7fC8R5 It is the same circuit that's...
 
High voltage demonstration
This is a high voltage demonstration using an inexpensive car ignition coil being driven by a variable frequency, duty cycle and amplitude 555 based mosfet circuit. Circuit schematic: Video of circuit...
 
(OT) AnonCoward - My home brew circuit; an adjustable coil driver
Here's my video: And this is the schematic to my circuit: Here's what you wrote about my initial post sharing the video: Now take a look at this other guy's Youtube post, especially his circuit board....
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Where do you source 35 Amp 220VAC circuit breakers that are NOT in typical box stores?
Where do you source circuit breakers that are NOT in typical box stores? o Carling AA3-B0-24-635-5D1-C (do you have a decoder for that number?) PG&E has currently cut the power to us in California...
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1500 mile e-car for Austin in UK non-toxic fuel cell
Sounds too good to be true, but maybe. British engineer and former Royal Navy officer Trevor Jackson, signed a multi-million-pound deal to start manufacturing the battery on a large scale in the UK.