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This paper presents a case study carried out on an existing 11 kV distribution network concerning the influence of different types of nonlinear loads namely switch mode power supply (SMPS), arc lighting (AL) and thyristor controlled reactor (TCR). The study also examines the effectiveness of mitigation to minimize the effect of harmonics by connecting a zigzag transformer into the system. The modeling...
The present paper describes the general procedures applied in the Romanian Transmission Grid to monitor the main power quality parameters accordingly to the national norms. According to the requirements of the Romanian regulations, a study case was conducted at the 110 kV buses of power delivery from the 400/220 kV transmission network to the distribution subnetworks of a regional power system in...
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