*2.2. Hybrid System*

The hybrid model used in this paper focuses on the structure of combined energy resources. It is expected that all the power generated by the DES passes through the main PCS. If an ESS is included, it must be able to comply with the TSO's order according to the current flow variation in the main PCS. Sectional losses and errors are frequent in coupled DC networks as described in [25] and approaches to these issues were being studied [26]. However, if a combined DC system expands its size, the low DC voltage may generate unstable conditions and require precise techniques to comply with imposed orders. In this study, the hybrid model was employed and a compensation technique that can reflect the voltage fluctuations of each DC section applied.
