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Archive: Category «Protection»

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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

The Basics of Electrical Bus Protections

When we examine electrical protection schemes, the best place to start is with electrical bus protections, as they are the easiest to protect. They utilize the fundamental concept of the overcurrent relay (Figure 1)…. Read more

Sep 05, 2015 | Edvard

The Basics of Electrical Bus Protections (Overcurrent, Differential and Undervoltage)
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