The planned amount of Kolenergo annual repairs program is 190.1 mln RUR with 72.7 mln RUR to be allocated for substations equipment repair.
Kolenergo branch of IDGC of the North-West, JSC is performing summer repair works at substations. According to Head of the Substations Operation Unit Aleksandr Mikhaylov, within the framework of 2012 repairs program one has carried out repair of 14 circuit breakers, 42 disconnector switches, 17 isolating switches and 35 150 kV short-circuiting switches. Among them are four HV circuit breakers of ÂÌÒ-150 type, one circuit breaker of ÂÌÒ-110 type and three circuit breakers of ÌÊP-110 type.
As of the current moment, one has commenced repair of U-220 oil circuit breaker at the 150 kV substation of Kolenergo “Northern Electric Power Grids” located in the Ura-Guba settlement. The completion deadline is June 30. Within Kolenergo Central Grids one has commenced repair of the input circuit breaker of VÌÒ-220 type at transit substation PS-88 (150 kV). The repair completion deadline is June 29. All the works are being carried out using the Company’s own resources.
The percentage of the repairs program execution with 35 – 150 kV circuit breakers, with isolating switches and short-circuiting switches and with disconnector switches is 24%, 24%, and 22% correspondingly.
As a whole, the planned amount of Kolenergo annual repairs program is 190.1 mln RUR with 72.7 mln RUR to be allocated for substations equipment repair.