Technical Articles

Price Of A Transformer

Today the production of transformers is characterised by a large variety of designs, manufactured in relatively short batches to meet the demands of a variety of customers with ever-changing expectations…. Read more

Jan 26, 2011 | Transformers

Price Of A Transformer

Ethernet History

Ethernet is the most popular and widely deployed network technology in the world. In 1973, while working on a way to link the Xerox “Alto” computer to a printer, Bob… Read more

Jan 25, 2011 | Electronics

Ethernet Plug

Geothermal Energy – The Hot Facts

The word “geothermal” comes from the Greek words geo (earth) and thermal (heat). It means the heat of earth. The energy potential beneath our feet, in the form of geothermal… Read more

Jan 24, 2011 | Geothermal Energy

Iceland - Geothermal Power Plant

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 | Energy and Power

Ecodial 3 - FAQ's

Transients – Line Disturbances

Lightning strikes and switching transients on power lines will propagate down the line and eventually arrive at a substation. There, the voltage will be clamped by lightning arresters to a… Read more

Jan 21, 2011 | High Voltage

Transients - Line Disturbances

Can I Connect Wind Turbine to the Utility Grid?

Small wind energy systems can be connected to the electricity distribution system and are called gridconnected systems. A grid-connected wind turbine can reduce your consumption of utility-supplied electricity for lighting,… Read more

Jan 20, 2011 | Wind Power

Can I Connect Wind Turbine to the Utility Grid?

Substation Ventilation Requirements – Ergon

Substations require special attention to ventilation in order to dissipate heat losses from electrical equipment. Wherever possible, natural air flow to the outside of the building will be used. Forced… Read more

Jan 19, 2011 | Power Substation

Substation Ventilation Requirements – Ergon

Is There Enough Wind on My Site?

Does the wind blow hard and consistently enough at my site to make a small wind turbine system economically worthwhile? That is a key question and not always easily answered…. Read more

Jan 19, 2011 | Wind Power

Is There Enough Wind on My Site?

What Do Wind Systems Cost?

A small turbine can cost anywhere from $3,000 to $35,000 installed, depending on size, application, and service agreements with the manufacturer. (The American Wind Energy Association [AWEA] says a typical… Read more

Jan 18, 2011 | Wind Power

What Do Wind Systems Cost?

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