Electronics Forum / Electrical Engineering / December 2004

I am trying to figure out how, or if I need to convert a 50Hz drying machine
for use on our 60Hz system.  If so, is there a change I need to make to the
machine or something I need to install in the power supply?
Thank you

Seasons Greetings to all!
I am looking for a electrical monitoring hardware device that will simply
output the status to a html page. More precisely I want to monitor two (or
more)115v AC outlets on different circuits and have the status available via

I have a bought a battery charger that I will connect to a 110 volt supply.
The charger is from the USA and has a plug that will be cut off and a new
compatible 110 volt site plug fitted.
The power lead is a twin wire and the wire polarity is identified by a

,
I am building a control panel with a good sized lexan window
in it..I want to put a proximity switch inside the panel
behind the lexan... so that when someone walks up to the

Seasons Greetings to all!
I am looking for a electrical monitoring hardware device that will simply
output the status to a html page. More precisely I want to monitor two (or
more)115v AC outlets on different circuits and have the status available via

Why are low-speed alternators much more expensive than high-speed?

I live in California. Some time a go I replaced a 20 A GF Breaker in my main
entrance Panel (200 A). I connected the black and white wires from the house
to the correct terminals on the breaker. However, I connected the curly
white pigtail on the GF breaker to the other white ...

I have to connect a DC motor (shunt wound) with a magnet contactor and I do
not know what is the best way to do that.  Some of my freinds said I have to
cut the power of shunt with a contact and some other said that the shunt
wond have to be energise any time and I just have to cut ...

I need to design an amplifier.
The specs are:
use a 2n3904
AC gain 20

I use a contactor to switch off the brake off an 3x380V electrical hoist.
Becouse there are only 3 phases and no control signals, I use two phases to
feed the coil (380V).  When the motor turns left or right, the contactor
switches.  So far, no problem.

Microsoft has a tutorial for ASP.  There is a connection string in the code
as follows:
DBQ=C:\Inetpub\Wwwroot\Tutorial\guestbook.mdb;"\
How do I change this statement once I move the page to my web server?  I

I've updated my homepage, some new documents in download section on safety
and partial discharges.
Best regards.
www.scaricheparziali.it

When it comes to electrical motor connection wiring what does "all voltage"
term mean? I found it as an alternative wiring for "star-delta" in the motor
controller's manual (no drawings, no explanations).
Thanks!

I just need some help.
I am searching for information about Filter Banks:
Overview
Structures

I am about to get my bachelor's in EE. I've been told by a few people
to learn AutoCAD. Since my universtity does not offer any classes for
CAD, can anyone suggest a good book that I can use? Also, what is the
difference between AutoCAD and AutoCAD Electrical?