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Electrical Engineering

21188 threads, 171878 comments (15 Viewing)

Coax Cable Deformation Test

11/25/2014 by Anonymous Poster
I have a ideal conductor, 75 ohm impedance coax cable and it is connected to oscilloscope with 50 ohm input impedance in one end while the other end i...
Views: 42, Comments: 8
Last comment 11/25/2014 by Randall

Static Switch

11/25/2014 by rubeshkrishna
We are having Twin UPS of 7.5KVA rating for power reliable,Please suggest me to provide any make of static switch for un interrupted supply in case of...
Views: 41, Comments: 8
Last comment 11/25/2014 by lyn

Thyrister Testing

11/25/2014 by rubeshkrishna
Please anybody suggest me to test SCR & give simple solution to firing the SCR.Operating voltage 415V AC supply between Anode & Cathode.
Views: 42, Comments: 4
Last comment 11/25/2014 by JRaef

Surge Protector for Induction Motors.

11/25/2014 by Anonymous Poster
surge protectors are used to protect expensive instruments from damage due to power surges. Do we need one for induction motors? Regs,
Views: 51, Comments: 4
Last comment 11/25/2014 by NotUrOrdinaryJoe

Problems with Silicon Carbide Heating Elements

11/25/2014 by anse
I found this forum searching for information on silicon carbide heating elements. I'm hoping to find some experts on the subject here. I operate a...
Views: 56, Comments: 4
Last comment 11/25/2014 by ozzb
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See all Blog Entries

Section Blogs

Shock, Vibration and Noise Blog

76 blog entries, 936 comments (0 Viewing)

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: 99, 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: 191, Comments: 0

Machines Tell It Like It Is

07/16/2014 by IHS GlobalSpec eNewsletter
Machines that talk? Well, not literally. But, a research team in Italy is experimenting with vibration sensors on mechanical equipment. As shown in th...
Views: 490, Comments: 0
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Power Generation and Distribution Blog

141 blog entries, 2786 comments (0 Viewing)

Top 10 Power Hoaxes

11/03/2014 by IHS GlobalSpec eNewsletter
Urban legends, hoaxes, and rumors go hand in hand with the Internet, thanks to a mix of pranksters, gullible people, and easily-shared links. We'v...
Views: 495, Comments: 3
Last comment 11/04/2014 by texasron

Why is U.S. Midwest Short on Coal?

10/13/2014 by IHS GlobalSpec eNewsletter
While coal plants continue to have a stronghold in the U.S. Midwest, supplies for those plants may not be forthcoming. Thanks to unreliable rail s...
Views: 186, Comments: 5
Last comment 10/27/2014 by Phys

Power Shift from Utilities to Customers

07/18/2014 by IHS GlobalSpec eNewsletter
Fort Collins, CO, is trying to turn its downtown into a net-zero energy district, making it the latest example of a new trend: the shift in power...
Views: 546, Comments: 0
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Wire and Cable Technology Blog

73 blog entries, 880 comments (0 Viewing)

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: 162, Comments: 1
Last comment 10/31/2014 by Lonewolf

Unique Copper Wire That Can Store Electricity

08/05/2014 by IHS GlobalSpec eNewsletter
Eliminating space-consuming batteries and storing their energy elsewhere could lead to smaller electronics and lighter and less-costly electric ve...
Views: 614, Comments: 5
Last comment 08/09/2014 by europium mkII

New Technology Recycles Copper from Car Cables

06/09/2014 by IHS GlobalSpec eNewsletter
With only 40 years' worth of mineable copper remaining world-wide, auto makers - especially those that build popular hybrids that consume large am...
Views: 506, Comments: 4
Last comment 08/05/2014 by pnaban
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Electrical Components

127 blog entries, 1658 comments (0 Viewing)

Utility Flywheel Generates 20 MW

10/12/2014 by IHS GlobalSpec eNewsletter
One type of utility-scale flywheel is a carbon fiber disk 3 ft in diameter, 6 ft tall, and weighing more than a ton. Spinning in a vacuum at 16,00...
Views: 378, Comments: 5
Last comment 11/14/2014 by Gavilan

Home Wireless Networking Gets a New Protocol

08/27/2014 by IHS GlobalSpec eNewsletter
Recognizing the need for a new and better way to connect products in the home, seven companies have joined forces to form the Thread Group and dev...
Views: 422, Comments: 5
Last comment 08/28/2014 by Tornado

Flexible Solutions Pump Up Grid Capacity

08/23/2014 by IHS GlobalSpec eNewsletter
Upgrading the grid to handle additional demand has traditionally been undertaken by adding expensive wire in the air or ground. Solutions that imp...
Views: 256, Comments: 0
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Lab Equipment Blog

115 blog entries, 599 comments (0 Viewing)

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: 182, 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: 317, Comments: 0

Smartphones Invade the Lab

07/28/2014 by IHS GlobalSpec eNewsletter
Did you ever think that one of your most valuable lab instruments might just be your smartphone? Lab Manager magazine thinks so, as seen in a cover st...
Views: 467, Comments: 0
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Other Blog Entries of Interest

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: 242, Comments: 7
Last comment 11/18/2014 by jack of all trades

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: 617, 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: 1598, 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: 1225, 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: 2548, Comments: 24
Last comment 12/26/2013 by ronseto

Economic Audio: HDMI Cables

06/19/2012 posted in Acoustics & Audio Technology
by rawlifelivin
Of all the overpriced electronic components available to consumers, the most targeted by audio enthusiasts the world over are cables. Whether the disc...
Pathfinder Tags: amazon audio audiophile audioquest cable ...
Views: 871, Comments: 18
Last comment 06/21/2013 by cuba_pete