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

Sponsored by:
Electrical Engineering
05/02/2016 12:00 AM

See all Forum Threads

Section Forums

Electrical Engineering

22188 threads, 187762 comments (7 Viewing)

Power Transformers

05/30/2016 by Richard Matsiko
Hello everyone, I work with a power transmission company. The p.u impedance of the power transformers on the system is between 9.0 and 14%. What is n...
Views: 12, Comments: 1
Last comment 05/30/2016 by SolarEagle

DC Generator and its Working With Construction

05/29/2016 by usmananas1
Generator PrincipleAn electrical generator is a machine which converts mechanical energy or power into electrical energy (or Power). The energy conve...
Views: 63, Comments: 2
Last comment 05/29/2016 by redfred

Overloading or Duty Cycle

05/28/2016 by sreerampkj
What is overloading cycle in choke? & what is duty cycle in Choke? Is overloading and duty cycle are same in choke.
Pathfinder Tags: Overloading/Duty cycle
Views: 173, Comments: 9
Last comment 05/29/2016 by SolarEagle

Can A Utility Electric Meter Read Generator Power Supply?

05/27/2016 by dmtonyole
Hello I want to connect a standby generator in building block with 20 apartment. Each apartment has its own Meter for utility power supply. Connectio...
Views: 241, Comments: 14
Last comment 05/28/2016 by dj95401

LV Switchgear Selection

05/27/2016 by Rajvi
Please help me for following queries, 1)why neutral needs to on-off with phase in TN IT TT systems i.e neutral to be taken as pole 2)When can we use...
Pathfinder Tags: LV SWITCHGEAR
Views: 82, Comments: 7
Last comment 05/27/2016 by James Stewart
Go to this Forum

See all Blog Entries

Section Blogs

Power Generation and Distribution Blog

156 blog entries, 2840 comments (0 Viewing)

Making Renewables Cost Competitive

05/27/2016 by Engineering360 eNewsletter
What would it take for renewable power to completely replace U.S. electricity needs without driving up costs? A new study by the National Oceanic and...
Views: 91, Comments: 5
Last comment 05/28/2016 by PFR

Testing Carbon Capture Potential

03/27/2016 by Engineering360 eNewsletter
Could a new carbon capture technology revolutionize how carbon dioxide is gathered and used at waste-to-energy (WTE) plants? Researchers in Oslo aim...
Views: 182, Comments: 6
Last comment 03/28/2016 by Ramm

Underwater Gold Diggers Readied

02/22/2016 by Engineering360 eNewsletter
During the first half of this year, testing is scheduled to begin on large robots designed for gold mining on the ocean floor. Plans call for the rob...
Views: 258, Comments: 4
Last comment 03/10/2016 by NotUrOrdinaryJoe
Go to this Blog

Wire and Cable Technology Blog

87 blog entries, 913 comments (0 Viewing)

Tiny Robot Replaces Technicians for Inspecting Power Cables

05/26/2016 by Engineering360 eNewsletter
Electrical technicians wearing protective clothing and employing cumbersome safety procedures have performed required routine inspections along power...
Views: 101, Comments: 1
Last comment 05/29/2016 by Rixter

Fiber Optic Cable Knowledge Ensures Reliable Performance

04/28/2016 by Engineering360 eNewsletter
Besides higher speed, other benefits driving aerospace and defense applications to fiber optic cables include weight, reliability, and immunity from...
Views: 90, Comments: 0

How to Counter Cable Failure

04/12/2016 by SavvyExacta
Many users prefer to connect to the Internet via an Ethernet cable that goes directly to a modem rather than connecting by Wi-Fi. Security and relia...
Views: 185, Comments: 7
Last comment 04/14/2016 by Del the cat
Go to this Blog

Electrical Components

145 blog entries, 1778 comments (0 Viewing)

A Grab-bag of Wave Energy Pilot Projects

05/14/2016 by Engineering360 eNewsletter
Ocean waves can deliver a more reliable renewable energy source than wind, and require much smaller equipment if you can find the ideal place to loca...
Views: 135, Comments: 1
Last comment 05/15/2016 by Ed Watts

Energy Storage Poised for Explosive Growth

01/19/2016 by Engineering360 eNewsletter
Grid scale energy storage helps utilities balance intermittent renewable sources, support peak loads and maintain frequency regulation. Energy storag...
Views: 319, Comments: 4
Last comment 01/20/2016 by bullardrr

Manmade Harbor Turns the Tide on Clean Energy

12/12/2015 by Engineering360 eNewsletter
Tidal electricity generation stations have been in operation for decades, typically implemented by installing a dam and turbines across an easily bri...
Views: 163, Comments: 5
Last comment 12/17/2015 by Rixter
Go to this Blog

Lab Equipment Blog

121 blog entries, 600 comments (0 Viewing)

Banking on the Future

02/25/2016 by Engineering360 eNewsletter
Biobanks are set to grow in the future despite some challenges and public misgivings, according to recent studies. The industry is undergoing a parad...
Views: 129, Comments: 0

Tomorrow's Labs Today

01/22/2016 by Engineering360 eNewsletter
A New Year dawns and laboratories look toward the future, whether floating in space or rooted on Earth. In Germany, academics and business leaders de...
Views: 146, Comments: 0

Google Leaps Into Life Sciences

12/06/2015 by Engineering360 eNewsletter
Google continues to expand beyond its internet roots with the launch of a life sciences firm to develop miniaturized electronic devices such as a nan...
Views: 216, Comments: 0
Go to this Blog

Shock, Vibration and Noise Blog

84 blog entries, 987 comments (0 Viewing)

Wireless System Monitors Torsional Vibration

02/11/2016 by Engineering360 eNewsletter
The Electric Power Research Institute (EPRI) has developed a wireless sensor technology that promises less vibration for power generating equipment....
Views: 163, Comments: 0

Sensor Detects the Smallest Vibration Allowed by Quantum Mechanics

10/09/2015 by Engineering360 eNewsletter
Quantum mechanics states that a mechanical object, even at absolute zero, still produces small vibrations called "zero-point fluctuations". However,...
Views: 434, Comments: 0

What's Your Machine's Signature?

09/05/2015 by 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: 252, Comments: 1
Last comment 09/09/2015 by Legolaz
Go to this Blog

Other Blog Entries of Interest

Webinar Calendar - December 2015

12/17/2015 posted in IHS Product Design Blog
by SavvyExacta
December is halfway over, but there's still one more webinar on the Engineering360 calendar for 2015. Webinars allow you to learn about specific topi...
Pathfinder Tags: microwave power RF Semiconductor
Views: 194, Comments: 0

Electrical Engineering Master's for Busy Professionals

10/18/2015 posted in Engineering...Beyond the Classroom
by Penn State
Penn State World Campus, the online learning platform for The Pennsylvania State University, offers a 100% online, 30-credit Master of Engineering...
Pathfinder Tags: ee degree electrical engineer masters degree penn state
Views: 510, Comments: 0

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: 622, 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: 583, 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: 562, 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: 970, Comments: 35
Last comment 11/06/2014 by suresh sharma


New Privacy Policy

We have adopted new policies. Please read each one carefully.