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Archive: Category «Energy and Power»

Fuel cells in power section

In 1839, a British Jurist and an amateur physicist named William Grove first discovered the principle of the fuel cell. Grove utilized four large cells, each containing hydrogen and oxygen,… Read more

Jul 01, 2011 | Edvard

The Polymer Electrolyte Membrane (PEM) fuel cells

Who was James Prescott Joule?

James Prescott Joule was born on Christmas Eve 1818 into a wealthy Salford brewing family. A sickly child, he was tutored at home where he indulged his fascination for electricity… Read more

Jun 27, 2011 | Edvard

James Prescott Joule

Thumbs down to the nuclear energy

Although for decades the arguments against nuclear power have been –and still are- strong and valid, there is an increasing group of nuclear companies supported by scientists and politicians, who… Read more

Jun 15, 2011 | Edvard

Thumbs down to the nuclear energy

How contactor controls an electric motor?

When a relay is used to switch a large amount of electrical power through its contacts, it is designated by a special name: contactor. Contactors typically have multiple contacts, and… Read more

Jun 01, 2011 | Edvard

Control of electric motor with contactor

Technology future – The cost of inaction

Without new thinking on technology intervention, the future looks bleak. Unless the role of technology in the global economy is reconsidered, we risk becoming powerless to feed a growing population,… Read more

May 25, 2011 | Edvard

Technology future - The cost of inaction

ESD – Electro Static Discharge

An increasing problem today with the use of more and more electronic equipment in our systems is the Electro Static Discharge (ESD). The main source of the problem is the… Read more

May 23, 2011 | Edvard

Printed Circuit Board (PCB)

Testing of UPS devices

The purpose of electrical testing on systems and their components is two-fold. The first is to check the installation of the equipment and perform component and systems tests to ensure… Read more

May 15, 2011 | Edvard

Testing of UPS devices

Magnifying transmitter – Nikola Tesla

Nikola Tesla is known for many great inventions. Almost all modern power distribution and production systems use Tesla’s designs from over 100 years ago. In addition to that, we have… Read more

May 11, 2011 | Edvard

Magnifying transmitter - Nikola Tesla

Scientist and inventor – Mihailo Pupin

Mihailo (Mihailo Idvorsky) Pupin was born in Idvor, Banat, October 9, 1854. Received his academic education at Columbia College, New York, and his scientific education at the universities of Cambridge,… Read more

Apr 11, 2011 | Edvard

Dr. Mihajlo Pupin (1854-1935), inventor and scientist

Switchboard Construction Basics For Engineers

Power distribution systems are used in every residential, commercial, and industrial building to safely control the distribution of electrical power throughout the facility. Most of us are familiar with the… Read more

Apr 09, 2011 | Edvard

Switchboard Construction - Siemens Basics

Tesla’s view on war

Tesla was opposed to wars in general. Nikola Tesla did devise protective measures that would prevent wars. Tesla found exceptions in some wars and some justifiable situations. Tesla envisioned that… Read more

Mar 25, 2011 | Edvard

Nikola Tesla's view on war

Protective Grounding Requirements

Each region shall implement procedures to ensure the adequacy of protective grounds and shall periodically review grounding practices at each facility to determine the proper size, length, and number (if… Read more

Mar 19, 2011 | Edvard

Personal Protective Ground Cable Assembly


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