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Electrical Engineering
03/08/2015 12:00 AM

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Electrical Engineering

21566 threads, 177565 comments (26 Viewing)

Generators & NGR Switching

04/26/2015 by Progressive
Dear Experts, can you explain for below mentioned matter, We have three Generators connected in parallel. Only Generator#1 NGR is switched "ON" &...
Pathfinder Tags: Generators & NGR Switching.
Views: 34, Comments: 4
Last comment 04/26/2015 by RAMConsult

Motor Control Textbook or Long Article?

04/26/2015 by 1capybara
Motor control is my weakness. Please recommend me a textbook or long article so I can get up to speed on it? Hopefully something that has little if an...
Views: 63, Comments: 5
Last comment 04/26/2015 by dhayanandhan

Shielding MV Cables

04/25/2015 by mohamed khalaf
how should the shield of MV cable be connected earth (from one side or from the two sides, and if the cable is AC or DC is there a difference.
Pathfinder Tags: MV cable shield connection
Views: 96, Comments: 5
Last comment 04/26/2015 by 4wsilver

Lighting Protection

04/25/2015 by Anonymous Poster
Dear All, For new lightning protection is it necessary to connect to exiting lightning protection? Any advise. Regards
Views: 48, Comments: 2
Last comment 04/25/2015 by lyn

Calculation on a 3 Phases Unbalanced Delta

04/25/2015 by JumpZero
Hello, I cannot find back from school, the formula to use: A 3 phases 220Vac system, no neutral, 3300W of pure resistance load between L2 and L3, t...
Views: 180, Comments: 18
Last comment 04/26/2015 by LINKS53
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Section Blogs

Electrical Components

133 blog entries, 1743 comments (0 Viewing)

Storage Remains the Missing Link for Renewables

04/10/2015 by IHS GlobalSpec eNewsletter
The full benefits of renewable energy can't be realized without efficient energy storage. Not only will electricity and heat storage allow intermi...
Views: 106, Comments: 4
Last comment 04/14/2015 by James Stewart

Superconducting Power Cable Supplying German City

03/13/2015 by IHS GlobalSpec eNewsletter
The world's first superconducting grid power cable has seen service in Germany for more than six months with good results, leading to plans for ex...
Views: 239, Comments: 20
Last comment 03/20/2015 by JWthetech

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: 223, Comments: 8
Last comment 03/24/2015 by Wal
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Shock, Vibration and Noise Blog

78 blog entries, 941 comments (0 Viewing)

World's Fastest Elevator is Also the Smoothest

04/02/2015 by IHS GlobalSpec eNewsletter
When China greets its soon-to-be tallest building, patrons taking the elevator to the top of the 119-story structure will like what they don't feel...
Views: 195, Comments: 3
Last comment 04/03/2015 by 4wsilver

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: 126, Comments: 2
Last comment 03/09/2015 by Phys

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: 228, Comments: 0
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Wire and Cable Technology Blog

76 blog entries, 881 comments (0 Viewing)

Data Transmitting Lasers Could Replace Copper Wires

03/31/2015 by IHS GlobalSpec eNewsletter
Copper wires may eventually yield to optical interconnects which, researchers say, will speed data between computer processors faster and more effici...
Views: 49, Comments: 0

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: 204, 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: 123, Comments: 0
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Lab Equipment Blog

117 blog entries, 599 comments (0 Viewing)

Lab Advances That Transform Science

03/29/2015 by IHS GlobalSpec eNewsletter
What are the lab equipment breakthroughs that are having the biggest impact on the work of scientists? This article gives The Scientist's take on the...
Views: 95, Comments: 0

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: 133, 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: 257, 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: 86, 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: 132, 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: 284, Comments: 1
Last comment 02/09/2015 by Phys
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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: 393, 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: 389, 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: 765, 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: 1768, 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: 1269, 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: 2644, Comments: 25
Last comment 02/16/2015 by Just an Engineer