Reservation of middle voltage distribution network supply centres

Rapid growth of Latvian economy resulted in rapid growth of electricity demand and consumerspsila reliability requirements are also increasing. This article gives technical - economical analysis of amount of reserve supply in middle voltage distribution network. In this article as supply centers are considered power supply substations (110/20-10-6 kV) middle voltage busbars, which until recently were considered as reliable enough point of power supply. Exploitation experience shows that failures frequently happen, which cause supply disconnection from these supply centers, therefore it is necessary to evaluate consumerpsilas power supply reservation possibilities from nearest power supply substations (110/20-10-6 kV) using middle voltage distribution network.