Early years of Nikola Tesla
Nikola Tesla was born “at the stroke of midnight” with lightning striking during a summer storm. He was born in Croatia in the Austro-Hungarian Empire. The midwife commented, “He’ll be… Read more
Mar 05, 2011 | Edvard
How to improve the power quality with harmonic filters
In electrical plants the loads draw from the network electric power (active) as power supply source (e.g. personal computers, printers, diagnostic equipment, etc.) or convert it into another form of… Read more
Mar 01, 2011 | Edvard
Protection Relay – ANSI Standards
In the design of electrical power systems, the ANSI Standard Device Numbers denote what features a protective device supports (such as a relay or circuit breaker). These types of devices… Read more
Feb 22, 2011 | Edvard
Technology Innovation Is Everybody’s Business!
For close to 10,000 years, science and technology have been at the heart of economic growth and social prosperity. From the agricultural revolution to the information revolution, advances in society… Read more
Feb 18, 2011 | Edvard
Electrical Engineering Job – How to Find It?
Finding a job is not always as easy as expected. This article will list a few places to look for jobs in the field of electrical engineering. Contact electrical engineering… Read more
Feb 09, 2011 | Edvard
AC Vs. DC
What’s this thing about AC anyway? A little history lesson might be in order. It all started when Edison built the first incandescent bulb and the power station to light… Read more
Feb 08, 2011 | Edvard
Electrically Held Contactors – Siemens
Most lighting and heating applications require a contactor to control the loads. One type of contactor is an electrically held contactor, which is similar to a magnetic starter. Unlike a… Read more
Feb 05, 2011 | Edvard
The Advantages Of Maintaining A High Power Factor
A high power factor eliminates penalty dollars imposed when operating with a low power factor. For many years, most utilities demanded a minimum of 85% power factor as an average… Read more
Feb 03, 2011 | Edvard
How To Reduce Energy Cost?
The main motivation for decision makers to take an interest in energy control solutions is economic efficiency. When deciding whether to invest in improvement work, the manager of a building,… Read more
Jan 28, 2011 | Edvard
Grounded Systems
Grounded systems are equipped with a grounded conductor that is required per NEC Section 250- 23(b) to be run to each service disconnecting means. The grounded conductor can be used… Read more
Jan 26, 2011 | Edvard
Ecodial 3 – FAQ’s
Remark : You may renumber the functional names with the Automatic numbering of the View menu. Version 3.2 of Ecodial works from a cable database. If such a cable exists… Read more
Jan 22, 2011 | Edvard
Do You Understand What Is Electric Shock?
Electric current passing through the body, particularly alternating current at power frequencies of 50 Hz and 60 Hz, may disrupt the nervous system, causing muscular reaction and the painful sensation… Read more
Jan 02, 2011 | Edvard
Siemens – Busway Purpose and Definition
Commercial and industrial distribution systems use several methods to transport electrical energy. These methods may include heavy conductors run in trays or conduit. Once installed, cable and conduit assemblies are… Read more
Dec 23, 2010 | Edvard
Characteristics of Lightning Strokes
Lightning, one of Mother Nature’s most spectacular events, started to appear significantly demystified after Franklin showed its electric nature with his famous electrical kite experiment in 1752. Although a great… Read more
Dec 19, 2010 | Edvard
Sources Of The Electric Energy – Generation
There are a number of ways to produce electricity, the most common commercial way being the use of a synchronous generator driven by a rotating turbine. The combination is called… Read more
Dec 10, 2010 | Edvard
