Reconfigurable computing is that the logical resources in the system can be reconfigured\naccording to the real-time changing data flow to achieve different calculation functions. The\nreconfigurable computing system has both high efficiency on hardware and universality of software.\nThe field programmable gate array (FPGA)-based real-time simulator for active distribution networks\n(ADNs) requires a long compilation time for case modification, with low efficiency and low versatility,\nmaking it inconvenient and difficult for users. To solve the problem of long compile time with a new\ncase, a universal design of the FPGA-based real-time simulator for ADNs based on reconfigurable\ncomputing is proposed in this paper. It includes the universal design of the simulation parameter\nconfiguration, the simulation initial value setting, the linear equations solving module and the\nsimulation result output module. The proposed universal design of the simulator makes the\nmodification and change of the cases and parameters without recompiling and further improves\nthe simulation efficiency. Simulation results are conducted and compared with PSCAD/EMTDC to\nvalidate the correctness and effectiveness of the universal design.
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