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Monthly Archive for: «October, 2011»

Power Substation

Complete overview of lightning arresters (part 3)

Continued from article Complete overview of lightning arresters (part 2) There are several types of lightning arresters in general use. They differ only in constructional details but operate on the… Read more

Oct 08, 2011 | By jiguparmar

Complete overview of lighting arresters
Hydropower

What would be the cost of micro hydro plant?

In the examples examined in the five countries, the capital cost13 of micro hydro plants, limited to shaft power, ranged from  US$714 (Nepal, Zimbabwe)  to US$1,233 (Mozambique).  The average cost… Read more

Oct 07, 2011 | By Edvard

The mini-hydro plant in Sitio Campuestohan will provide power for 40 households
Energy and Power

Insulating materials in electrical equipment

The reason for using insulating materials is to separate electrically the conducting parts of equipment from each other and from earthed components. Earthed components may include the mechanical casing or… Read more

Oct 05, 2011 | By Edvard

Press paper /pressboard for Electrical purposes
Energy and Power

Supercapacitor – The future of energy storage

Supercapacitors have been around since 1966 but were never considered as a serious alternative for batteries. Ironically, we could have the said the same for AM radio before Armstrong developed… Read more

Oct 05, 2011 | By Olan

Supercapacitor storage
Energy and Power

Typical Constructions Of Overhead Lines

Along streets, alleys, through woods, and in backyards, many of the distribution lines that feed customers are overhead structures. Because overhead lines are exposed to trees and animals, to wind… Read more

Oct 03, 2011 | By Edvard

Example overhead distribution structures


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