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Category Archive for: «Energy and Power»

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 it. A… Read more

Feb 08, 2011 | Edvard

AC vs. DC

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 magnetic starter,… Read more

Feb 05, 2011 | Edvard

Electrically Held Contactors - Siemens type CLM

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, for example,… Read more

Jan 28, 2011 | Edvard

How To Reduce Energy Cost?

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 as a… Read more

Jan 26, 2011 | Edvard

Ecodial 3 – FAQ’s

Double click on the circuit. In the circuit description window, change the functional name of the circuit components. Remark : You may renumber the functional names with the Automatic numbering of the… Read more

Jan 22, 2011 | Edvard

Ecodial 3 - FAQ's

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 of electric… Read more

Jan 02, 2011 | Edvard

Electric shock danger sign

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 difficult to… Read more

Dec 23, 2010 | Edvard

Electrical power can be supplied to any area of a building by connecting standard lengths of busway.

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 deal of… Read more

Dec 19, 2010 | Edvard

Characteristics of Lightning Strokes
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