A PC-based test bed for NG IPS for ships in PSCAD™

In this paper, the computer modeling of a next generation integrated power system (NG IPS) for ships using a commercially available power system simulation software called PSCAD, Power System Computer Aided Design, was discussed. Both medium voltage (MV) and low voltage (LV) levels were modeled in detail. Moreover, cable lengths were determined by ship dimension and load location, and different paths for LV vital loads were incorporated. Control strategies for generators, propulsion motors as well as all power converters were implemented. Case studies showed the transient responses of power variations of the propulsion motor as well as supply path changes to LV vital loads. This test bed allows advanced system studies at the component and system level.