El Kontrol - Beginning
 
 
Name of Project: Rehabilitation of 220 kV Switchgear at Maritsa East 3 TPP - second stage: Substitution of disconnectors and circuit breakers
   
Contractor: The National Electric Company (NEC) EAD High Voltage Network Enterprise, Sofia
   
Description: After the significant project for reconstruction and extension of 400 kV Outdoor Switchgear in Maritsa East 3 TPP had been implemented by EL KONTROL the National Electric Company of Bulgaria - NEC through its 'High Voltage Network' Enterprise proceeded to the next stage of the refurbishment of Maritsa East 3 TPP. The project concerns rehabilitation of 220 kV Outdoor Switchgear, its electrical part being differentiated as a public tender in March 2004. EL KONTROL won the tender and in May 2004 started the implementation of the order for "Rehabilitation of 220 kV Outdoor Switchgear in Maritsa East 3 TPP - second stage: Substitution of disconnectors and circuit breakers in fields 10, 11, 12 (column 3) and fields 10, 11, 12 (column 0) - primary and secondary commutation."
   
Lead in exploitation: 2004
   
Finished Activities:
▪ Dismantle of 220 kV power equipment: current transformers, voltage transformers, disconnectors, surge arresters, supporting isolators and circuit breakers;
▪ Installation of 220 kV power equipment: current transformers, voltage transformers, disconnectors, surge arresters, supporting isolators and circuit breakers;
▪ Installation of busbar system;
▪ Primary wiring of the equipment;
▪ Manufacturing and installation of control panels of the fields;
▪ Delivery and installation of control cables;
▪ Control tests and commissioning of 220 kV Outdoor Switchgear.
   
Other: The order has been properly implemented observing the agreed time schedules.
All Projects  Gallery  Map of Project  References