El Kontrol finished implementation of a project at Mini Maritsa-East Enterprise – Rehabilitation of main transformer Substations located in Troyanovo-sever and Troyanovo-3 mines, and erection of new movable Substations together with the relevant distribution devices and connecting equipment, for increase of power supply from 6 kV to 20 kV.
Reconstruction of four stationary substations because of their transformation from 6 kV to 20 kV aiming to decrease losses of electricity alongside the power transmission network.
Delivery of 35 units of 20 kV platform mounted movable distribution devices.
Erection of 8 units of 20/6 kV movable substations, and refurbishment of an existing one.
Reconstruction of 9 excavators by transformation of their power supply voltage from 6 kV to 20 kV.
