DC distribution is an attractive solution for onboard
integrated power systems of new-generation all-electric ships,
especially thanks to the benefits it offers in terms of reducing
generation system size, weight and power consumption.
Technologies have already been implemented in full-scale
prototypes based on synchronous generators feeding the DC
grid through rectifiers. In these proven solutions, the voltage
control is allocated either to the generator excitation system
or to the rectifier control. This paper investigates a design
variant where both voltage control loops exist and act
simultaneously. The basic design of the system is presented
along with its modeling in the Matlab/Simulink environment.
Simulation results obtained from the Simulink models are
finally reported illustrating the system behavior during
various electrical and electromechanical transients.
