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Archive: Category «Transmission and Distribution»

Three essential features of automation in power distribution systems

One may wonder why are everybody talking more and more about automation in power distribution. Aren’t we already automated? Well, we are not. It can always be better, faster, with…...

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Feb 28, 2019 | Edvard

The essential features of automation in power distribution systems

Connections and working principles of three-phase distribution transformers

A three-phase service can be supplied by one three-phase transformer unit or by interconnecting three single-phase transformer units. One three-phase unit is smaller than an equivalent size bank consisting of…...

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Feb 08, 2019 | Edvard

Three-Phase Transformer Connections

Directional protection relays applied to multiple power sources, parallel circuits and loops

Directional protection is usually applied to distribution systems that contain multiple power sources, parallel circuits and rings/loops. For such systems it is absolutely necessary to have protection against fault currents…...

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Dec 27, 2018 | Edvard

Directional protection relays applied to multiple power sources, parallel circuits and loops