Transmission and Distribution Systems Coordination using the Design Structure Matrix

The proliferation of distributed energy resources (DERs) is radically changing power system infrastructure planning and operation paradigms. Moreover, DER impacts are reaching the bulk system level and causing a shift in roles and responsibilities at the transmission and distribution (T&D) interface. These changes necessitate active coordination and planning across the T&D interface. However, many research studies do not capture all aspects of function coordination and miss opportunities to minimize tasks repetitions and to improve overall systems’ operation efficiency. In this paper, we apply the design structure matrix (DSM) method to analyze and model the interdependencies of the T&D system interactions. Using DSM clustering and partitioning techniques, we systematically identify coordination opportunities to optimize grid planning. Effectiveness of the proposed DSM method is demonstrated by representing and improving the coordination of T&D operational functions.