Electronics Forum / Electrical Engineering / April 2004

Has anybody seen any forums for PROTEL users?  Is there anybody in this
forum that uses PROTEL?
Thank you,
Edgar

We recently acquired a machine that requires a 575 volt supply for three
large 3 phase AC motors.  Combined the motors draw about 340 FLA.  We were
told the machine was 480 volt, so when the thing came in we were rather
surprised to find it wasn't.  Now I need to find a transformer ...

Hey Group,
At present I am in full time Employment, i have a NVQ level 1 and 2 in PCB
assembly, I also have a NVQ level 2 and 3 in Servicing electronic systems.
I would like to learn PIC and/or PLC, what is the best way to go around

I am looking for an instruction manual for a Unipower HPL420motor power
monitor. It is manufactured by Hydria Denmark, and marketed by Unipower UK.
I have tried searching for websites but cant find anything.
Can anyone point me to where I can download a manual, or alternatively ...

Flawed Vacuum Cleaners.
The Vacuum Cleaners we use have many major flaws.
1/. They release contaminated air back into the home environment.
2/. They blow dust from furniture allowing it to become air born.

Hi there, looking for a bit of help from my fellow engineers.
I have an electric motor and I need to increase its rpm from 2900 to
12,000rpm. Is this even possible using gearing? Any suggestions would be
helpful.

Hey Group,
Could somebody tell me or point me to a link for the below?
I have some Merlin Gerin Breakers here, what is the differnece between say a
C60HB B32 and a C60H 32A?

A gas fireplace is being installed in my home, and the installer ran
what looks like a piece of extension cord cable (flexible, multistrand
wires inside, much smaller gauge than the white, fairly rigid 12 or 14
gauge that is usually run) from a junction box in the wall to an ...

I have built an annealer using 6 ea. 220v 5000 watt nichrome wire
elements. I have put two elements in a series, thus there are 3 sets of
two elements. The temperature I need to reach is 1000°.  So far in
testing It reaches 820° running on 110 volt. I'd rather not run it on

Does any one have the process for converting sh.t to electricity?
That's where this group is headed.

OSHA asked the NFPA to write a set of rules for replacing the obsolete OSHA
electrical standard.    In respond to this request the NFPA wrote NFPA 70E
that contains two parts.  Part 1 is installation rules and Part 2 is work
rules.  OSHA is not proposing to adopt Part 2, but only ...

In an outdoor park setting, I need to convert a box of 110v receptacles so
that there is one 220v receptacle.  Is this a complicated and expensive
proposition for my local city electrician?

I'm implementing a spectrum analyzer (HP 8562) waveform capture
system. I just need the ability to obtain a bitmap image of the
waveform. I've found free oscilloscope waveform capture programs, but
I need one for our HP spectrum analyzer. I've tracked down some

Just finished a job and found that the siding contractor spliced in the wall
in order to bring the receptacle out to the new outside wall.  What a mess.
These guys come and go so fast that they are hard to catch.

Flawed Vacuum Cleaners.
The Vacuum Cleaners we use have many major flaws.
1/. They release contaminated air back into the home environment.
2/. They blow dust from furniture allowing it to become air born.