Abstract
The objective of this paper is to analyze the effect of the electrical unbalance caused by the new high-speed railway line (Tangier-Kenitera) built in Morocco. This line will be started by the end of 2018, it will be supplied by two substations at kilometer points (PK10 (Tangier side), PK185 (Kenitera side)). These substations are supplied by high voltage lines (225 kV), from power stations of the electricity provider in Morocco (ONEE). The connection of these substations is between two phases, which will generate an unbalance in current and voltage at the point of common coupling (PCC) in power grid. This unbalance rise as a result of the railway traffic expansion in this high-speed line. The limit value (1%) tolerated by the electricity provider (ONEE) it exceeds [1]. For this purpose, we analyze this unbalance for two horizons by simulation, the first one (horizon 2018), where this high-speed line will start with reduced railway traffic, and in the second horizon (the year 2030), the railway traffic becomes very high.
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