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Archive: Category «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 | Edvard

Protection of A.C. Electrified Railways

8 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 the… Read more

Oct 23, 2015 | Edvard

8 Schemes To Supply MV Switchboard

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 | Edvard

Phases and wires in distribution of AC power