Electrical Theory and Applications RSS Feed http://www.electrical-contractor.net/forums/ubbthreads.php Electrical Theory and Applications RSS Feed ECN Electrical Forums - UBB.threads(tm) Switching adapter for laptop interfering with mic http://www.electrical-contractor.net/forums/ubbthreads.php/topics/204646/Switching_adapter_for_laptop_i.html#Post204646 Posted by Labarr15:
to be honest... that all seems greek to me! sorry smile

Also: I tried to look at the links but i get "Service Unavalibe". Ill check back later

THANKS!]]> Mon, 26 Dec 2011 14:34:46 MST Tapping parrellel conductors http://www.electrical-contractor.net/forums/ubbthreads.php/topics/204260/Tapping_parrellel_conductors.html#Post204260 Posted by HotLine1:
sudsy4:

The 8 barrel Polaris is <11" long, with cable entry from either side. So, you need a troff at least 12".

They make a 'stacker' model also, but...it's not UL Listed.

Check out the link below.

http://www.polarisconnectors.com/pdfs/NSi/IPLD_series.pdf]]> Tue, 22 Nov 2011 20:17:18 MST strange motor current spiking problem http://www.electrical-contractor.net/forums/ubbthreads.php/topics/204183/strange_motor_current_spiking_.html#Post204183 Posted by JoeTestingEngr:
http://www.pump-zone.com/motors/motors/motor-and-drive-system-resonance-problems-and-solutions.html

I am by no means an expert on VFDs but I have heard of problems with resonance. Sure sounds like that could be your problem.
Joe]]> Fri, 18 Nov 2011 09:56:38 MST transformer issue and hello http://www.electrical-contractor.net/forums/ubbthreads.php/topics/203966/transformer_issue_and_hello.html#Post203966 Posted by Scott35:
*** EL-BUMP'O ***

Forgot about this one!

Still curious as to the Transformer involved.

-- Scott]]> Thu, 03 Nov 2011 10:30:28 MDT A taper or B taper, which is it? http://www.electrical-contractor.net/forums/ubbthreads.php/topics/203355/A_taper_or_B_taper_which_is_it.html#Post203355 Posted by JoeTestingEngr:
I read this the other day until I got a headache! http://www.edn.com/article/520749-Implem...UBM+Electronics
Notice that nobody made any comments.

Then I thought of your project Trumpy, and thought you might want to add some tilt to it.
Joe]]> Sat, 24 Sep 2011 02:30:26 MDT PV inverter output http://www.electrical-contractor.net/forums/ubbthreads.php/topics/203349/PV_inverter_output.html#Post203349 Posted by Tesla:
Larger three-phase alternators control output via their SALIENT POLES EXCITATION CURRENT.

Google the terms: Salient Pole, Excitation Current ( it's DC, BTW )

The Poco -- all of them -- run Infinite Busses -- i.e. you can consider their output as coming from one alternator -- or thousands of (...)]]> Fri, 23 Sep 2011 15:47:17 MDT Xformer theory Q http://www.electrical-contractor.net/forums/ubbthreads.php/topics/202857/Xformer_theory_Q.html#Post202857 Posted by sparky:
http://www.tristateindustrialgroup.com/sites/tristate/uploads/documents/Transformers.pdf

wuz given the above in a continued effort to dislodge my cranim from my large intestine

of note is pg 14 >>>>>>>>> Y Y Closed / Neutral Prim Yes Sec Yes , which is what i believe i've been trying to (...)]]> Wed, 31 Aug 2011 06:06:49 MDT R.I.P. Jim Williams &amp; Bob Pease http://www.electrical-contractor.net/forums/ubbthreads.php/topics/202233/R_I_P_Jim_Williams_amp_Bob_Pea.html#Post202233 Posted by n1ist:
I still have a Philbrick K2-W opamp around here somewhere...
/mike]]> Sun, 24 Jul 2011 09:15:46 MDT LM and C Project http://www.electrical-contractor.net/forums/ubbthreads.php/topics/201587/LM_and_C_Project.html#Post201587 Posted by Scott35:
Hello all;

This Thread is to create a discussion for the following Scenario Project Discussion:

Larry, Moe and Curley Cold Storage

Feel free to begin discussions per the uploaded drawings.

I will include some comments ASAP.

-- Scott]]> Fri, 10 Jun 2011 20:47:56 MDT Current waveform http://www.electrical-contractor.net/forums/ubbthreads.php/topics/201104/Current_waveform.html#Post201104 Posted by Tesla:
Harmonic AC waveforms dictate that Peak Voltage = 1.414 x RMS.

Unless you've introduced non-harmonic back-EMF that's your answer.]]> Wed, 11 May 2011 11:36:44 MDT