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Renovation of switchgear of Paljassaare 110kV substationTallinn, Paljassaare

Construction of the substation took place in restricted spaces, near a working substation, and the entire substation was built on wedge-shape piles due to the complex geological soil conditions. The substation construction works included installation of 110 kV overhead power lines up to dead-end towers, and delivery and installation of a new 110 kV switchyard. New relay protections as well as automation and auxiliary voltage devices were installed in a newly built control building. A new auxiliary equipment building for Elektrilevi was also built and tied to an existing relay protection system.

Client:
Elering AS
Name of the project:
Renovation of switchgear of Paljassaare 110kV substation
Category:
Civil engineering
Type of construction:
Power infrastructure
Designer:
Merko Inrfa AS/Merko Ehitus Eesti AS
Description of work:
Renovation
Country:
Estonia
Address:
Tallinn, Paljassaare
Beginning of the project:
2014
Completion year:
2016
Characteristic feature:
Renovation of switchgear with 110 kV air insulation; 110kV cable line