Garraf 400 kV substation

Garraf 400kV substation, AIS technology, ring configuration, no-load tests prior to commissioning of the introduction of a new ATP1 autotransformer position in the ring and adaptation of the adjacent cubicles.

-Switchgear verification: checking wiring of power and control circuits in switchgear.

-Verification of measurement and protection circuits (current and voltage transformers): checking wiring, injection in primary and secondary, insulation tests from current and voltage transformers to measurement and protection equipment.

-Verification and adjustment of protections: testing of transformer and circuit breaker position protection relays.

In this way, the correct global operation of the installation is guaranteed prior to the commissioning of the new position, ensuring the correct functionality of all the elements and equipment and of the installation as a whole.