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Electrical Engineering

21434 threads, 175481 comments (15 Viewing)

What is the Difference Between Data Concentrator & RTU?

03/02/2015 by Anonymous Poster
With reference to Substation Automation artitechture block daigram of EIL for OPAL Dahej Package I want to ask what is the difference between Data con...
Views: 104, Comments: 8
Last comment 03/03/2015 by Iris

Transformer Turn Ratio Testing

03/02/2015 by manzoor14
Dear all, We have conducted turn ratio test on some distribution transformers rating 250 - 1000 KVA. While analyzing test results we found that phase...
Views: 150, Comments: 8
Last comment 03/03/2015 by jack of all trades

Start Verses Run Capacitor

03/02/2015 by NotUrOrdinaryJoe
I don't know if I've forgotten or never learned what is meant by the two terms. I believe that I understand how a starting capacitor is used with an i...
Pathfinder Tags: run capacitor Start Capacitor
Views: 289, Comments: 14
Last comment 03/03/2015 by lyn

Casio fx-FD10 Professional Scientific

03/01/2015 by Lonewolf
Would someone mind telling me why the Japanese have all the fun? Did you know about this new Casio offering? It's for Japanese and European engineers...
Pathfinder Tags: casio scientific calculators
Views: 184, Comments: 12
Last comment 03/03/2015 by Massey

High-Impedance Transformers

02/28/2015 by Anonymous Poster
Can you explain the structure and working principle of a transformer with high impedance. Thanks in advance
Views: 254, Comments: 14
Last comment 03/02/2015 by Unredundant
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Section Blogs

Shock, Vibration and Noise Blog

77 blog entries, 937 comments (0 Viewing)

Science Develops a Spider Sense

03/01/2015 by IHS GlobalSpec eNewsletter
Spiders detect the tiniest of vibrations to avoid danger. Scientists hope to capture this "early alert" capability with "nanoscale crack junction-base...
Views: 78, Comments: 1
Last comment 03/02/2015 by adreasler

Vibration Monitors Keep Mining Machines Humming

11/11/2014 by IHS GlobalSpec eNewsletter
In an effort to attain zero downtime, there is increasing demand for vibration monitoring systems. The mining industry, for example, is particular...
Views: 207, Comments: 0

Dynamic Sensor Connects to Smartphones

10/14/2014 by IHS GlobalSpec eNewsletter
Digiducer, an ICP Digital Dynamic Accelerometer, is being touted as the first integrated, rugged, high-resolution, broad frequency piezoelectric v...
Views: 254, Comments: 0
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Power Generation and Distribution Blog

143 blog entries, 2757 comments (0 Viewing)

Rules for the Future

02/24/2015 by IHS GlobalSpec eNewsletter
Huge changes are happening in the world of power distribution, and as the author of a new study from GTM Research writes, "The rules being written tod...
Views: 16, Comments: 0

Materials for the Next Level and Beyond

02/08/2015 by IHS GlobalSpec eNewsletter
To meet the challenges encountered during the development of the next generation of electronic devices, designers search for the right blend of m...
Views: 108, Comments: 0

Running Out of Power?

12/21/2014 by IHS GlobalSpec eNewsletter
Power Magazine shares a rather stunning revelation: the world will need to build enough power plants to replace 40% of the existing fleet in the n...
Views: 263, Comments: 1
Last comment 02/09/2015 by Phys
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Electrical Components

131 blog entries, 1715 comments (0 Viewing)

Drones Take Over Hazardous Line Work

02/15/2015 by IHS GlobalSpec eNewsletter
Updates to OSHA will soon require improved fall protection for workers climbing electric utility poles and towers, and this will impact how work...
Views: 174, Comments: 6
Last comment 02/16/2015 by 70AARCuda

Is RF Radiation More Dangerous Than We Think?

02/13/2015 by IHS GlobalSpec eNewsletter
Wireless devices, like cell phones, generate RF electromagnetic fields that are classified as class 2B carcinogens by the World Health Organizati...
Views: 362, Comments: 41
Last comment 02/19/2015 by Anonymous Hero

Small Modular Reactors Progressing, but Not in U.S.

01/07/2015 by IHS GlobalSpec eNewsletter
Small modular reactors (SMRs) by definition generate 300 MW or less, and are factory built and tested for field installation. Their modular nature red...
Views: 271, Comments: 9
Last comment 01/13/2015 by Unredundant
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Wire and Cable Technology Blog

75 blog entries, 881 comments (0 Viewing)

Fiber Optic Cable to Speed Data Between Japan and England

02/05/2015 by IHS GlobalSpec eNewsletter
By year-end 2016, a 1.6 inch diameter, 9,693 mile long fiber optic cable will begin transmitting data from Japan to the UK in just 154 milliseconds....
Views: 157, Comments: 0

Passive Part Size Matters for Manufacturing Efficiency

01/31/2015 by IHS GlobalSpec eNewsletter
If one takes the time to do the math, the surprising result is that despite all the attention given to leading-edge active components like SoCs, fully...
Views: 98, Comments: 0

Google to Fund U.S.-to-Japan Fiber Optic Undersea Cable

10/30/2014 by IHS GlobalSpec eNewsletter
Google and five Asian telecom companies are funding an underwater fiber optic cable system that will connect the U.S. West Coast and Japan. With a...
Views: 250, Comments: 2
Last comment 02/05/2015 by cuba_pete
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Lab Equipment Blog

116 blog entries, 599 comments (0 Viewing)

Labs Take Aim at Contamination

12/29/2014 by IHS GlobalSpec eNewsletter
Always wary of contamination, labs are becoming ever more watchful amid global concerns over Ebola and a much reported anthrax scare at a CDC fa...
Views: 103, Comments: 0

Scientists Rate the Top Lab Products

10/08/2014 by IHS GlobalSpec eNewsletter
San Diego-based Illumina's MiSeqDx instrument, the first FDA-cleared in vitro diagnostic (IVD) next-generation sequencing system, has captured top hon...
Views: 243, Comments: 0

Environmental Arsenal Gets Stronger

08/29/2014 by IHS GlobalSpec eNewsletter
From powerful mass spectrometers to mobile devices, tools available for environmental monitoring are becoming ever more efficient, notes this cover...
Views: 368, Comments: 0
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Other Blog Entries of Interest

Computer controlled holiday lights

12/25/2014 posted in Workbench Creations
by frankd20
Holiday lights have come a long way since I was a kid and I decided to take the dive into the hobby. This isn't quite my first time working on this...
Pathfinder Tags: festivus hanukkah holiday lights light show renard pixel strips ...
Views: 365, Comments: 0

Fixing a Thermoelectric Wine Fridge

11/14/2014 posted in Workbench Creations
by frankd20
I recently got a small wine fridge that holds about 10 bottles, previously recycled by someone else due to it not working. Many wine fridges today...
Pathfinder Tags: Thermoelectric cooler wine fridge
Views: 369, Comments: 8
Last comment 12/01/2014 by frankd20

Bad Capacitors Make Me Smile

10/17/2014 posted in Workbench Creations
by frankd20
I know bad components aren't something a person should usually be happy about, but in my case, they have been a source of joy on a number of occasio...
Pathfinder Tags: 47PFL3603D 47PFL3603D bad 47PFL3603D power supply 47PFL3603D/27 bad capacitors ...
Views: 726, Comments: 35
Last comment 11/06/2014 by suresh sharma

DIY Laser Light Show Projector

06/28/2012 posted in Workbench Creations
by frankd20
Laser light shows can be pretty impressive. I was curious about how these shows are done, so I thought I would try to create one of my own. Below are...
Pathfinder Tags: Laser laser dac laser light show laser projector laser scanners ...
Views: 1720, Comments: 15
Last comment 10/31/2014 by phoenix911

5 Reasons to Not Root Your Android Device

06/27/2012 posted in TeknologikL
by yamdankee
Previously, we discussed some reasons why you should root your Android device. There are, of course, drawbacks. So here are 5 reasons you may not want...
Pathfinder Tags: Android custom roms iphone rooting why not to root
Views: 1254, Comments: 1
Last comment 06/30/2012 by Kris

What is Your Favorite Loudspeaker Design?

06/25/2012 posted in Acoustics & Audio Technology
by rawlifelivin
Think of a loudspeaker in your head. Got it? Now what did that image look like? Just about everybody will have imagined a wooden box with conical dr...
Pathfinder Tags: audio dynamic electrostatic Hybrid martinlogan ...
Views: 2618, Comments: 25
Last comment 02/16/2015 by Just an Engineer