Estimación de corrientes de secuencia negativa en los generadores de la central hidroeléctrica Coca Codo Sinclair ante recierres monopolares en el nexo de transmisión San Rafael - El Inga

Abstract

In the present degree project there is carried out an analysis of the operative conditions that the generators of the Central Coca Codo Sinclair can maintain due to the circulation of current of negative sequence on the same ones; during the time that a phase remains open there foresaw the operation of a monopolar reclosing in the transmission lines San Rafael – El Inga. In the software Alternative Transients Program (ATP) is modeled the System of Transmission of 500 kV between the substations Coca Codo Sinclair, San Rafael and El Inga; and for every generator a short circuit equivalent is used. Then single-phase faults are simulated, taking into account different locations of these events; and the operation of opening and monopolar reclosing of the phase failed, using several times typical for the execution of this maneuver.