STUDY OF HTA DISTRIBUTION NETWORK RELIABILITYIN NIAMEYCITYJournal: International Journal of Advanced Research (Vol.9, No. 12)
Publication Date: 2021-12-14
Authors : Attoumane Kosso Moustapha Noma Talibi Soumaila Ousman Mahamadou Brah Bouzou Moussa; Boureima Seibou;
Page : 169-177
Keywords : ;
With the growth of demand for electrical energy, electrical networks are nowadays subjected to very high loads, sometimes beyond their capacity. This leads to their malfunction and their inability to meet expectations. But given the importance of electricity in our lives, this disruption cannot be tolerated for long, which leads distribution operators to implement maintenance programs to ensure continuity of service. However, these measures, although extremely important, are time consuming, costly and sometimes do not provide complete satisfaction, resulting in the absence of electricity to consumers. The study of reliability of medium voltage distribution network in Niamey allowed us to analyze the performance indices of latter. Indeed, we based ourselves on the number of incidents (opening of HV outlets) and their duration while taking into account the origin of the associated disturbances. In the light of this analysis, the reliability of lines is close to 95% only for a period of one (1) hour (h) and is almost zero beyond 100 hours of operation. As for maintainability, it is only guaranteed within a period of 10 hours after the occurrence of incident on network.
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