Assignor:
Efacec Engenharia E Sistemas, Portugal
Location:
Kavarna
Assigned: 2012 / Completed: 2013
Project description
Project concerns reconstruction and enlargement of 110 kV Switchyard and 20 kV Indoor Switchgear in Substation Kavarna, situated near Kavarna, Dobrich District.
Activities
Enlargement of 110 kV Switchyard:
- Construction of concrete foundations for power transformers, erection of portals and tables for electrical equipment;
- Construction of cable trays and foundations for control panels;
- Construction of steel structures – portals and tables for installation of electrical equipment;
- Installation of 110/20kV power transformer;
- Substitution of electrical equipment: circuit breakers, disconnectors, current transformers, voltage transformers, surge arresters, control panels, storage battery, rectifier;
- Installation and connection of busbar system;
- Laying and connection of power and control cables;
- Installation of RTU system;
- Erection of grounding installation and lightning-protection installation
- Еrection of lighting installation and video-surveillance installation;
- Construction of local roads and aisles;
- Construction of fence;
- Vertical planning.
Installation of new AC/DC panels
Installation of new relay/control panels
Enlargement of 20 kV Indoor Switchgear building:
- Construction works;
- Construction of grounding installation and lightning-protection installation;
- Vertical planning;
- Installation of distribution switchgears
Control tests and commissioning of all the installed equipment
