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What is the battery backup for 48V battery ?

Hi, On this site i found table for battery voltage - http://www.solar-electric.com/deep-cycle-battery-faq.html State of...
1 comments posted 12yrs
posted by zaiitov
1 comments posted 12yrs posted by zaiitov

Where is technical hearing aid info available?

I now need hearing aids. Getting is even crazier than seeing an optometrist to get glasses. Blaming proprietary informa...
9 comments posted 12yrs
posted by SalmonEgg
9 comments posted 12yrs posted by SalmonEgg

Fuzzy logic

Fuzzy logic is advanced concept for data processing and analyzing. It is based upon human-like way of thinking and it i...
0 comments posted 12yrs
posted by pchung705
0 comments posted 12yrs posted by pchung705

Unsolderable wire?

I am trying to solder some RG-6 shield to a pcb. The braid won't tin. It's almost like it's dissipating the heat faster...
60 comments posted 12yrs
posted by bespoke
60 comments posted 12yrs posted by bespoke

TRANSFORMER EFFICIENCY

How do you derive the efficiency of a transformer from the first principle of electric circuit.
7 comments posted 12yrs
posted by uchethegenius1
7 comments posted 12yrs posted by uchethegenius1

Sine Wave Inverter

One of the most important things to selecting a sine wave inverter is to ch oose between the difference of modified Sin...
0 comments posted 12yrs
posted by alberthou7076
0 comments posted 12yrs posted by alberthou7076

Grid tie

G'Day, Just thinking about the solar systems inverters and the grid tie. Why is the grid tie onto the consumer side of...
3 comments posted 12yrs
posted by rheilly
3 comments posted 12yrs posted by rheilly

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