Latest threads in ⏚ Electrical Engineeringshow only best voted threads
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KVAR Contactor.
I have a few ABB UA95-30 contactores and they have printed a power table in kvar, not in kw. Are they specialy made for condensers aplications? Can i use the to build a delta wye motor starter?...
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17 years ago
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suggest topic for project
Im studying in 4th sem in NIT i would like someone to suggest me a project topic on electric machine (transformer or dc shunt motor or induction motor) taking into consideration that i being in 4 sem...
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17 years ago
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hybrio rechargable batteries
been googling but can't find any info on the discharge voltage characteristic of this technology. Is it similar to that of an alkaline cell, ie., approx proportional to charge, or approx constant like...
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17 years ago
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a question?
which country generates most of its power by nuclear energy ? thank you
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17 years ago
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Light bulbs keep blowing
I have a question regarding constant blowing of light bulbs. My friend's father works in an old factory where the electricity is 480 volts stepped down to 120 for the lights. At times the voltage can...
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17 years ago
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Help.. Voltage n Freq differences
I'm not an engineer or close to it so, here is a question for you pros. Let's say I have an appliance designed for use here in the US on 120 V, 60hz. This appliance draws 500 watts (It's a heating...
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17 years ago
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How to I find the resistance in a length of hook-up wire?
What length of hook-up wire (electronic circuit board) is equivalent to a 470 Ohm resistor? I want to place LEDs at some distance (max 6 feet/1.8 metres) from the TTL outputs that drive them, and...
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17 years ago
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Job offer: Control Engineer in Chicago
Here are the qualifications for the position: The ideal candidate will have 1-2 years experience in processes and process controls, electrical principles and systems, electrical and pneumatic...
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17 years ago
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Stealing security camera images
How would you go about stealing the images for a sevurtiy camera. If some one was taking the images from you security camera would they be taking it from the camera or the switch box or just what...
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17 years ago
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interfacing 8051 with an adc
hi,i am working project where i have interface a microcontroller with an adc & an rf transceiver.what are the steps that i have to take to interface the microcontroller with the adc and the rf...
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17 years ago
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Greenlee Circuit Tracer
I am looking for any info experience anybody has had with the Greenlee Circuit Tracers 2007,2008,2011 . I am planning on purchasing one out of my own pocket since my company is too cheap to purchase...
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17 years ago
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Pole Lamp Dimmer Module
Hi, Have a tubular type of base lamp in my study. The kind that has a base on the floor, and then a tube of an inch or so diameter that runs vertically to a height of perhaps five feet. Then a...
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17 years ago
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how to limit a DC generator ?
I've got a plan to exchange the AC windings in a small 600w petrol generator for a 12 v DC dynamo, as used to be used in cars, before alternators , so i will have a battery charger for my boat....
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17 years ago
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Question
Will the problems for the april exam, build on each other, or are they completly seperate? Do you know what I mean? I have this "Electrical & Computer Engineering Sample Exam" by Edward D. Grahm, Jr....
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17 years ago
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Allen Bradley SLC150
Does anybody know the voltage for the battery backup? I have the manual but it only lists the AB part#, not the voltage.
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17 years ago
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