⏚ Electrical Engineering

request

dear friends, I am searching a topic for my seminar presentation, if u have any good topics plz send it to me. my mail i...

1 comments posted 17yrs

posted by urajay1

1 comments posted 17yrs posted by urajay1

Thumbwheel with click!

I am trying to find a component that does the following: (1) Operates as a thumbwheel, i.e. to be mounted so that the e...

8 comments posted 17yrs

posted by srmoll

8 comments posted 17yrs posted by srmoll

What cap mfr. to use?

Today I ordered electrolytic caps. It was frustrating. I had planned to get the best low-ESR replacements for all the c...

37 comments posted 17yrs

posted by me

37 comments posted 17yrs posted by me

Generator problem?

The Setup 11 kV comes in from DNO onto a common busbar via our 11 kV CB. On the same busbar I have 2 CHP alternators. T...

5 comments posted 17yrs

posted by tjke.gilmour

5 comments posted 17yrs posted by tjke.gilmour

What is the best aluminum for heat sink?

A friend is making a spacer to go between a tab on a device and a heat sink. The total thickness will be about 0.25 inc...

83 comments posted 17yrs

posted by reply

83 comments posted 17yrs posted by reply

Monitoring a dishwasher: Wattmeter with ethernet ?

Hi, We recently got a new dishwasher which is integrated into the kitchen. I.e., there is no visible display or any oth...

2 comments posted 17yrs

posted by sunebeck

2 comments posted 17yrs posted by sunebeck

Pioneer plasma turns off: update

Pioneer plasma model PDP-V401. Original symptom: shut off after seconds or minutes or hours of operation. Power LED bli...

29 comments posted 17yrs

posted by me

29 comments posted 17yrs posted by me

Modify a temp-controlled fan circuit?

This motor and its drive circuit are one unit (the circuit board is on the end of the motor opposite the impeller, in t...

11 comments posted 17yrs

posted by me

11 comments posted 17yrs posted by me

Screech circuit

I think I need a circuit that generates loud screeching brake noises every time I go over speed humps ( hopefully causin...

12 comments posted 17yrs

posted by haggisz

12 comments posted 17yrs posted by haggisz

Help needed in Australia with transformer problem

HI there I'm not at all knowledgeable about electrics but need help.... I have a small fishpond pump requiring a feed f...

7 comments posted 17yrs

posted by anthonyjhcnospam

7 comments posted 17yrs posted by anthonyjhcnospam

Power quality primer

Here's a nice article that outlines power quality troubleshooting techniques. It focuses on a hospital technician but t...

2 comments posted 17yrs

posted by oatmealrunner

2 comments posted 17yrs posted by oatmealrunner

Switch contact ratings for motor?

I'm sure this is a straight forward question for someone here...Is there a rule of thumb for switch ratings when switch...

14 comments posted 17yrs

posted by nutz

14 comments posted 17yrs posted by nutz

Another fluorescent nightlight dissected

http://picasaweb.google.com/lh/photo/vZDkQ8cEjsiEV6QAyGspMQ?feat=directlink This cute little First Alert nightlight som...

5 comments posted 17yrs

posted by jamessweet1

5 comments posted 17yrs posted by jamessweet1

Ground Grid Study

Hi, I am reviewing a ground grid study for a substation that is being built. The ground grid will be for a substation w...

3 comments posted 17yrs

posted by paynetd

3 comments posted 17yrs posted by paynetd

Stripped Service Panel holes

What is the correct way to secure an electric panel cover when the panel bolt hole threads are stripped? I recognize th...

4 comments posted 17yrs

posted by johnareichert

4 comments posted 17yrs posted by johnareichert