PROJECT TITLE :
A Power Hardware-in-the-Loop Platform With Remote Distribution Circuit Cosimulation
This paper demonstrates a unique cosimulation design that integrates hardware testing using power hardware-in-the-loop (PHIL) techniques with larger-scale electrical grid models using off-the-shelf non-PHIL software tools. This test bed for distributed integration allows utilities to study the impacts of emerging energy technologies on their system and makers to explore the interactions of new devices with existing and rising devices on the facility system, both while not the necessity to convert existing grid models to a new platform or to conduct in-field trials. This paper describes an implementation of this architecture for testing two residential-scale advanced solar inverters at separate points of common coupling (PCCs). The identical hardware setup is tested with 2 completely different distribution feeders (IEEE 123 and 850zero node take a look at systems) modeled using GridLAB-D. Plus simplifying testing with multiple feeders, the design demonstrates additional flexibility with hardware testing in one location linked via the Internet to software modeling during a remote location. In testing, the inverter current, real and reactive power, and PCC voltage are well captured by the cosimulation platform. Testing of the inverter advanced control options is currently somewhat restricted by the software model time step (one s) and tested communication latency (twenty four ms). These limitations may be overcome using faster modeling and communication at intervals the same cosimulation architecture.
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