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Learn about power engineering and HV/MV/LV substations. Study specialized technical articles, electrical guides, and papers.

Technical Articles

Can I Go Off-Grid With Hybrid Systems?

Hybrid wind energy systems can provide reliable off-grid power for homes, farms or even entire communities (a co-housing project, for example) that are far from the nearest utility lines. According… Read more

May 03, 2011 | Wind Power

Can I Go Off-Grid With Hybrid Systems

Where to put transformer?

With electric wires being strung at the tops of poles to keep them out of the reach of the general public, it is obvious that transformers would be hung on… Read more

May 02, 2011 | Transformers

Overhead pole transformer

Electrical substation introduction and elements

An power substation is a subsidiary station of an electricity generation, transmission and distribution system where voltage is transformed from high or medium to low or the reverse using transformers…. Read more

Apr 29, 2011 | Power Substation

Electrical substation introduction and elements

Overview of solar panel types

There are three common technologies used in solar panels, all of which are based on the common element silicon, which makes up a large proportion of the earth. Monocrystalline cells… Read more

Apr 25, 2011 | Solar Power

Maintenance Of Meduim Voltage Circuit Breakers

Medium-voltage circuit breakers rated between 1 and 72 kV may be assembled into metal-enclosed switchgear line ups for indoor use, or may be individual components installed outdoors in a substation…. Read more

Apr 17, 2011 | Maintenance

Maintenance Of Meduim Voltage Circuit Breakers

KNX automation makes buildings more efficient

In light of climate change and increasingly scarce resources, the energy-efficient operation of buildings is gaining in importance. Essential requirements for this are an energy-efficient architectural design, an insulated building… Read more

Apr 15, 2011 | Energy Efficiency

KNX automation makes buildings more efficient

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 | Energy and Power

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 | Energy and Power

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 | High Voltage

ABB Generator Circuit-Breakers Type HGI


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