Main station diagrams used
High and very high voltage substations: role and structure

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Main station diagrams used


High and very high voltage substations: role and structure

Author : Louis DEVATINE

Publication date: August 10, 2009, Review date: December 13, 2019 | Lire en français

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3. Main station diagrams used

The most common substations can be characterized by three design principles:

  • substations with one circuit breaker per feeder ;

  • substations with several circuit breakers per feeder ;

  • loop stations.

In addition, the simplest substations can be fitted with shunt circuit breakers or connected as aerials.

The following examples, which can be found on both French and foreign networks, illustrate the characteristics common to each family.

3.1 Schematics with one circuit breaker per feeder

Before delving into the details of schemes with one circuit-breaker per feeder, we need to clarify the...

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