Protection and Control of Modern Power Systems

We are delighted to announce that Protection and Control of Modern Power Systems has been accepted for inclusion in the Science Citation Index Expanded & Engineering Village Compedenx. The journal will receive a first Journal Impact Factor in 2022.

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The electric vehicle (EV) charging station is a critical part of the infrastructure for the wide adoption of EVs. Real-time simulation of an EV station plays an essential role in testing its operation under different operating modes. However, the large numbers of high-frequency power electronic switches contained in EV chargers pose great challenges for real-time simulation. This paper proposes a compact electromagnetic transient program (C-EMTP) algorithm for FPGA-based real-time simulation of an EV station with multiple high-frequency chargers. The C-EMTP algorithm transforms the traditional EMTP algorithm into two parallel sub-tasks only consisting of simple matrix operations, to fully utilize the high parallelism of FPGA. Compared with the traditional EMTP algorithm, the C-EMTP algorithm for the EV station reduces the simulation execution time by more than 65%, which means that the simulation accuracy for high-frequency power electronics is improved with smaller simulation time-step. A lightweight CPU-FPGA-based platform is developed and the simulation of the EV station is implemented. The control strategy is simulated in the CPU with 100μs time-step, while the EV station circuit topology is simulated in a single FPGA with a 250ns time-step. The EV station consists of a two-level rectifier and five dual-active bridge (DAB) EV chargers. It is tested under plug-and-play and fault operation scenarios, and the real-time simulation results are validated using PSCAD/EMTDC. Read more.