UPGRADE OF THE LOW VOLTAGE SWITCHBOARD (LVSB) OF GROUP 126

Historical operator of the electricity sector in Cameroon, ENEO (formerly AES-SONEL) is a mixed economy company with capital held at 51% by the Actis group, 44% end of studies for the Diploma of Technological License carried out at the thermal power plant ENEO Bertoua, there is an increase in the number of groups to alleviate the problem of aging groups and insufficient power available, because the demand, constantly increasing, so we were willing to update the existing tables to ensure coordination with the new groups, hence the theme entitled "Upgrade of the General Low Voltage Table of group 126" whose main objective is to ensure coordination between the table and the group. The work carried out is structured in four chapters. The first chapter; presentation of the company, the second chapter; literature review, the third chapter; material and methods, and finally in the fourth chapter; we present the results obtained. To achieve this, a study was made on the various schemes, these were updated to ensure the control, command, protection and measures.