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Monthly Archive for: «October, 2015»

Energy and Power

Protection of A.C. Electrified Railways

Many regional, urban and high-speed inter-urban rail networks worldwide are electrified, to provide the motive power for trains (Figure 1). The electrification system serves as the contact interface for current… Read more

Oct 30, 2015 | By Edvard Csanyi

Protection of A.C. Electrified Railways
Energy and Power

Eight Most Common Schemes To Supply MV Switchboard

Medium voltage networks are made up of switchboards and the connections feeding them. Let’s take a look at the eight different supply modes of these medium voltage switchboards. We’ll start with… Read more

Oct 23, 2015 | By Edvard Csanyi

8 Schemes To Supply MV Switchboard
Energy and Power

Phases and wires in distribution of AC power

AC power transmission is always at high voltage and mostly by 3-phase system. The use of single-phase system is limited to single-phase electric railways. Single-phase power transmission is used only… Read more

Oct 19, 2015 | By Edvard Csanyi

Phases and wires in distribution of AC power
Energy and Power

4 Things Soil Resistivity Depends On

Though the ground itself being a very large body can act as an infinite sink for currents flowing into it and can be considered to be having very low resistance to current… Read more

Oct 17, 2015 | By Edvard Csanyi

4 Things Soil Resistivity Depends On
Energy and Power

9 basic rules for dimensioning of electric circuits

Basically, the dimensioning process itself is easy to understand and can be performed using simple means. Its complexity lies in the procurement of the technical data on products and systems,… Read more

Oct 16, 2015 | By Edvard Csanyi

9 basic rules for dimensioning of electric circuits
High Voltage

7 Methods To Avoid Insulator Flashovers

Contamination caused insulator flashovers produce frequent outages in severely contaminated areas. Lines closer to the ocean are in more danger of becoming contaminated. Several countermeasures have been proposed to improve… Read more

Oct 14, 2015 | By Edvard Csanyi

7 Methods To Avoid Insulator Flashovers
Energy and Power

Testing Challenges in Large Ground Systems

Large ground systems, such as those found in substations and power stations, are an important part of the protection of the electricity supply network. They ensure that fault current will… Read more

Oct 12, 2015 | By Edvard Csanyi

Testing Challenges in Large Ground Systems


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