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Monthly Archive for: «April, 2011»

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

HGI generator circuit breaker – ABB

The circuit-breakers type HGI can be used as generator circuit-breaker in all types of power plants with unit sizes between 60 – 180 MVA and nominal voltages up to 21kV…. Read more

Apr 05, 2011 | Edvard

ABB Generator Circuit-Breakers Type HGI

Are renewable resources practical?

While few people disagree that renewable energy is a good idea, most also recognize there are two practical barriers to implementation on a wide scale. First, all renewable energy sources,… Read more

Apr 01, 2011 | Edvard

Are renewable resources practical?