Amazing Single Molecule LEDs

September 18th, 2014 | Make a comment | Posted in Energy Efficiency - lighting
Tags: , ,

You all know that our faithful community member Steven Mill loves telling us about new technologies. Well this time let him tell you about LEDs…

Introduction

With the world embarked on a journey to continuous advancements, researchers and scientists around the globe are equally braced up to cater the needs of latest technological expeditions. Through continuous effort, development and research, it has become the manifesto of almost every physicist to bring latest technology in the most portable and conveniently used form to the general population.

Development of amazing single molecule LED’s are a part of the same facilitative project.

What is a LED?

A LED is basically a semiconductor designed in such a way that it has two leads. The distinguishing feature that makes LED stand out from other technically designed semi-conductors is the fact that it emits light. This explains why LEDs are called as light- emitting diodes.

It is also worth mentioning that diodes are specialized electronic components devised in which one lead is anode while the other is known as cathode. Anode serves as the positive terminal whereas cathode is the negative terminal to the diode.

Amazing Single Molecule LEDs

Read the rest of this entry »

Synchronous And Asynchronous Motors – Where To Use Them?

September 15th, 2014 | Make a comment | Posted in Energy Efficiency - motors
Tags: , ,

Many people often get confused with the terms Synchronous and Asynchronous motors and what exactly are their applications. That’s exactly why one of the newest members of the Electrical Engineering Community wrote this article. Check it below:

The following information deals with the general working principles of Synchronous and Asynchronous motors, their advantages and where are they normally used and what can be achieved using each of these motors.

Synchronous And Asynchronous Motors

Let us first concentrate on their working principles…

Read the rest of this entry »

Working Around Low Voltage Systems

September 11th, 2014 | Make a comment | Posted in Electrical distribution
Tags: , ,

Check one of our members’s contribution with this article which tells you how to work around LV systems as an electrical engineer. Enjoy and if you want to, you can leave more remarks.

Every single day, engineers and technicians work on low voltage systems supplying resident and commercial buildings. In most of the cases, the job successfully goes without hitches. Occasionally though, something goes wrong, either through an overlooked hazard, or a plain accident that results to electrocution and injury.

The article highlights how to identify low voltage conductors, why they are dangerous, and how to de-energize the systems for a safe working environment.

Read the rest of this entry »

Inspection of voltage drop in conductors

September 8th, 2014 | Make a comment | Posted in Electrical Safety
Tags: , ,

Hi everybody, it’s Steven Mill. I hope you all enjoyed your holidays (if you had some). I’m back to tell you about a pretty technical subject: the inspection of voltage drop in conductors. Don’t hesitate to tell me what you think!

Voltage drop

Conductor allows the flow of electrical energy to move in one and other directions. The pressure or electrical force that helps the current to flow in a conductor is voltage. Sometimes the pressure of voltage fails to provide the desired flow of current due to impedance. This situation causes voltage drop.

It is not affected by the equal number of electrons before or after entering the conductors. The fluctuation in the speed too, does not hurt it. It is only affected by the pressure or release of energy in the conductors. Voltage drop usually lasts for few seconds.

Inspection of voltage drop in conductors 1
Read the rest of this entry »

Flow Graphs of Laplace Transform

September 4th, 2014 | Make a comment | Posted in Others
Tags: , ,

Here’s the next part of Nasir’s tutorial on Laplace Transform.

Introduction

We know that Laplace transformation is a way of transforming integral and differential equations into algebraic equation of s-domain. The expression of Laplace transformation is given as:

Flow Graphs of Laplace Transform 1

In the preceding article we discussed the simulation diagrams. A simulation diagram is basically the pictorial representation of the systems. It shows the functioning of each component and expresses the flow of signals.

Read the rest of this entry »

Electrical engineering Community is proudly powered by WordPress
Entries (RSS) and Comments (RSS) and license Creative Commons License