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Three phase AC system

As it is well known fact that in a DC system, two terminal exist (positive and negative) and current or power flows fro...
7 comments posted 18yrs
posted by elect82
7 comments posted 18yrs posted by elect82

L6 Cord For Measuring Current?

Does any vendor make an off-the-shelf L6-20P to L6-20R patch cord that exposes the individual wires along the way so yo...
1 comments posted 18yrs
posted by westes-usc
1 comments posted 18yrs posted by westes-usc

Op-Amp Circuit question

I have a question about a op-amp circuit. I saw a circuit where an op-amp is driving a transistor for a voltage regulat...
2 comments posted 18yrs
posted by nobody
2 comments posted 18yrs posted by nobody

High Voltage From Wall Plug

I am in Canada. I bought a Battery Backup for my computer and plugged it in. It won't charge because the input voltage...
4 comments posted 18yrs
posted by gastcom
4 comments posted 18yrs posted by gastcom

Electrical Engineering Project Problem

My project is to control a pressure reducing valve from 3000psi to 10psi using a program call LabView. Really all I nee...
3 comments posted 18yrs
posted by sundewzer
3 comments posted 18yrs posted by sundewzer

Earth Fault Relay and Earth Leakage Relay

This may sound noob, but is there a difference between an Earth Fault Relay and Earth Leakage Relay? Thanks
0 comments posted 18yrs
posted by yancheng.cheok
0 comments posted 18yrs posted by yancheng.cheok

distribution transformer

i just want to know why is it important to ground the nuetral of a 3- phase delta-y connnected transformer
26 comments posted 18yrs
posted by faisalmairaj
26 comments posted 18yrs posted by faisalmairaj

op-amp nV input offset voltage

Hi, As you know, the *input* offset voltage is the voltage required across the op-amp's input terminals to drive the ou...
16 comments posted 18yrs
posted by energymover
16 comments posted 18yrs posted by energymover

Laser Printer Question re Drum Discharging

Hello, Just gave a Brother HL 2140 Laser Printer as a gift. It's their real cheap one, under $ 100 Was just wondering a...
0 comments posted 18yrs
posted by rgsros
0 comments posted 18yrs posted by rgsros

DVI switch

What aspects of a DVI switch (KVM for example) would affect its ability to handle higher video modes such as 1920 x 120...
18 comments posted 18yrs
posted by phil-news-nospam
18 comments posted 18yrs posted by phil-news-nospam

AC Prongs

I was looking at a device (First Alert CO Sensor) that has the 2 AC prongs mounted through the plastic case so from the...
0 comments posted 18yrs
posted by wk25875
0 comments posted 18yrs posted by wk25875

sampling rate

Hi In analogue to digital conversion ,it is often that sampling frequency should be greater than twice the maximum freq...
2 comments posted 18yrs
posted by pfaisalbe
2 comments posted 18yrs posted by pfaisalbe

Look what I found about WD 40

Someone on the www wrote this, not me., some of it sounds true, you be the judge. --------start of quoted post--------...
18 comments posted 18yrs
posted by T_Tecumseh
18 comments posted 18yrs posted by T_Tecumseh