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TransFormer Surge Arrestors

Hello, everyone. In July 2012, in the aftermath of the derecho storm that clobbered the Washington, DC metro area many...
5 comments posted 12yrs
posted by arl_123234
5 comments posted 12yrs posted by arl_123234

Can a 3 phase motor be somehow used as a generator?

So, I have been buying, selling and scrapping 3 phase motors in the last couple of years. I even made (and sold) a 15 H...
16 comments posted 12yrs
posted by ignoramus26083
16 comments posted 12yrs posted by ignoramus26083

To all VETS

Thank you very much for your service.
0 comments posted 12yrs
posted by tombiasi
0 comments posted 12yrs posted by tombiasi

Parallel R C circuit impedance calculator is ready

http://www.cirvirlab.com/simulation/parallel_r_c_circuit_impedance_calculator.php Higher the frequency, overall impedanc...
8 comments posted 12yrs
posted by pchung705
8 comments posted 12yrs posted by pchung705

Who OEMs Dell laser printers?

Past and present OEMs? Trying to see what brand toner they use... Thanks!
1 comments posted 12yrs
posted by invalid
1 comments posted 12yrs posted by invalid

car cig lighter to USB adaptor

In my car, in the cig lighter port, I have a cheap USB adapter to power my Phone and GPS. But it doesn't put out enough...
3 comments posted 12yrs
posted by munge
3 comments posted 12yrs posted by munge

Now reverse transformation is ready.

So previously calculated impedances now can be reversely checked: http://www.cirvirlab.com/index.php/electric/125-star-...
1 comments posted 12yrs
posted by pchung705
1 comments posted 12yrs posted by pchung705

Serch engine for power components

Try out this custom search engine optimized for power electronic components, that categorizes it's results for datashee...
0 comments posted 12yrs
posted by andreakrmac
0 comments posted 12yrs posted by andreakrmac

Zener Diode Dilemma

Zener Diode Dilemma I purchased 50 1N4728 3.3v Fairchild zener diodes and trying to test them b efore installing in a c...
22 comments posted 12yrs
posted by jjk439
22 comments posted 12yrs posted by jjk439

The first transistor radio

"It was on [Oct. 18] in 1954 that the first transistor radio appeared on the market. Transistors were a big breakthroug...
7 comments posted 12yrs
posted by VictoriaB
7 comments posted 12yrs posted by VictoriaB

question

why no messages after 15 Oct, 2013
5 comments posted 12yrs
posted by dhky
5 comments posted 12yrs posted by dhky

B-FTP vs B-FHTP Electrical Motor

I am trying to replace a 120v C-Frame Shaded Pole motor in a kickspace heater. It was installed in 1978. I can't find t...
13 comments posted 12yrs
posted by phoney
13 comments posted 12yrs posted by phoney

60Hz to 50Hz Appliance

Hello, I was wondering if an American Made Referigrator rated 120V 60Hz could work efficiently with the use of a step do...
15 comments posted 12yrs
posted by kissi5559
15 comments posted 12yrs posted by kissi5559