Works for modernization of 110/20/6 kV Substation Iztochna situated
in Troyanovo-Sever Mine of Maritsa-East Mines were fulfilled.
In the Substation all the 6.3 kV Indoor Switchgears were substituted
with new ones produced by ABB and equipped with SF6 circuit breakers.
The scope of works for thе project additionally
includes substitution of all HV cables, erection of lighting installation and
grounding installation, delivery and installation of control panels.