CR4 - The Engineer's Place for News and Discussion®
Login | Register for Engineering Community (CR4)

Sponsored by:
Electrical Engineering
Sponsored: Accurately Measure Voltage Transition of GaN IC

See all Forum Threads

Section Forums

Electrical Engineering

21874 threads, 182494 comments (37 Viewing)

synchronous generator/motor

10/07/2015 by errsh
hello everyone actually i am confused between synchronous and induction generator. i want to know the basic differences between both physically and f...
Views: 23, Comments: 6
Last comment 10/07/2015 by Codemaster

Electrical Engineer's Power PE Exam

10/06/2015 by Wwwheaty
Getting ready to take the Pe exam electrical power. Any great review suggestions for me?
Views: 72, Comments: 8
Last comment 10/07/2015 by BDThompson

VFD Retrofit on Aeration Blowers

10/04/2015 by Anonymous Poster
Does the dual vane machines operate close to best efficiency point make it not economically viable to retrofit with VFD? Or is it common to retrofit V...
Views: 169, Comments: 11
Last comment 10/05/2015 by JRaef

Practical Applications of Flyback and Forward Converter?

10/04/2015 by superman89
Hi , I was curious to know the practical applications of flyback converter and forward converter. I've read that they are generally used for low powe...
Views: 199, Comments: 10
Last comment 10/06/2015 by HiTekRedNek

Manual Accuracy Testing of Watthour Meters

10/03/2015 by mrbrightside
Hi and good day to you Sirs / Ma'am. I am a young engineer from Asia, currently i am working with meter testing. We all know that with meter testing...
Pathfinder Tags: Watt hour meter tesing
Views: 185, Comments: 10
Last comment 10/05/2015 by old salt
Go to this Forum

See all Blog Entries

Section Blogs

Lab Equipment Blog

118 blog entries, 600 comments (0 Viewing)

Life Sciences Look to the Space Station

10/02/2015 by IHS Engineering360 eNewsletter
Life sciences exploration is constantly expanding, and the "next great frontier" for this branch of science is space, according to Bioscience Technol...
Views: 128, Comments: 1
Last comment 10/05/2015 by Hilton

Lab Advances That Transform Science

03/29/2015 by IHS Engineering360 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: 168, Comments: 0

Labs Take Aim at Contamination

12/29/2014 by IHS Engineering360 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: 180, Comments: 0
Go to this Blog

Power Generation and Distribution Blog

145 blog entries, 2774 comments (0 Viewing)

Is an Energy Revolution at Hand?

09/13/2015 by IHS Engineering360 eNewsletter
When energy experts gathered at Chicago's recent Energy Thought Summit, participants described a growing storm of innovation that could revolutionize...
Views: 272, Comments: 13
Last comment 10/05/2015 by micahd02

What Drones Mean for Power

08/23/2015 by IHS Engineering360 eNewsletter
Many U.S. utilities are turning to unmanned aerial drones to improve safety, lower costs, and hasten response times. By using drones, power crews can...
Views: 275, Comments: 3
Last comment 08/23/2015 by 70AARCuda

Rules for the Future

02/24/2015 by IHS Engineering360 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: 340, Comments: 0
Go to this Blog

Shock, Vibration and Noise Blog

82 blog entries, 987 comments (0 Viewing)

What's Your Machine's Signature?

09/05/2015 by IHS Engineering360 eNewsletter
All machines have a unique vibration signature that changes as operating conditions alter. When a disruption in signature occurs, engineers analyze t...
Views: 173, Comments: 1
Last comment 09/09/2015 by Legolaz

Could Buildings "Hover" Above an Earthquake?

08/08/2015 by IHS Engineering360 eNewsletter
The creator of the hoverboard has proposed a three-part foundation that, he claims, could prevent buildings from shaking during an earthquake. The pat...
Views: 346, Comments: 20
Last comment 08/11/2015 by Anonymous Hero

Spotting Train Vibrations

06/14/2015 by IHS Engineering360 eNewsletter
In light of the recent Amtrak crash near Philadelphia, a review of recent safety measures is necessary. European rail regulations, for example, dictat...
Views: 314, Comments: 19
Last comment 06/17/2015 by Brave Sir Robin
Go to this Blog

Wire and Cable Technology Blog

80 blog entries, 897 comments (0 Viewing)

Flexy Wires Stretch to 14x Their Length

09/01/2015 by IHS Engineering360 eNewsletter
Wires that stretch to over 14x their length can increase their conductivity to over 200x when pulled to their limit. Researchers at the University o...
Views: 221, Comments: 10
Last comment 09/11/2015 by James Stewart

Researchers Say They Can Double Fiber Optic Cable Range

08/06/2015 by IHS Engineering360 eNewsletter
Despite the public's growing demand for data, a fiber optic cable can handle only so much before the signal deteriorates. And the more power you add t...
Views: 181, Comments: 4
Last comment 08/08/2015 by tcmtech

Thermoplastics Could Solve Undersea Cable Challenges

06/10/2015 by IHS Engineering360 eNewsletter
As demand for underground and, especially, subsea wires grows, cable manufacturers are increasingly challenged with creating high-voltage cable that c...
Views: 200, Comments: 2
Last comment 06/11/2015 by lyn
Go to this Blog

Electrical Components

139 blog entries, 1755 comments (0 Viewing)

The Race to Create a Better Battery

08/10/2015 by IHS Engineering360 eNewsletter
While "breakthrough" moments regularly punctuate the history of modern battery technology, a close examination shows little significant change in the...
Views: 387, Comments: 6
Last comment 08/21/2015 by 67model

Batteries Charging on to the Grid

07/13/2015 by IHS Engineering360 eNewsletter
Improving technology and falling prices have finally enabled grid-scale battery storage projects to compete directly with and prevail over other more...
Views: 211, Comments: 0

Download the 2015 Texas Instruments Power Guide

07/12/2015 by Texas Instruments
The 15^th edition of TI's Power Management Guide features high-performance power integrated circuits ranging from standard linear regulators to high...
Pathfinder Tags: guide power management sponsored post texas instruments
Views: 421, Comments: 1
Last comment 07/15/2015 by James Stewart
Go to this Blog

Other Blog Entries of Interest

Rise of the Drones

08/02/2015 posted in Aerospace Blog
by Texas Instruments
2015 is quickly becoming the year of drones. So what exactly is a drone? According to the Federal Aviation Administration (FAA), a drone is an unmanne...
Pathfinder Tags: batteries drones sponsored post texas instruments
Views: 554, Comments: 8
Last comment 08/09/2015 by 8o88y

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: 459, 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: 450, 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: 860, 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: 1930, 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: 1328, Comments: 1
Last comment 06/30/2012 by Kris