On Power Electronized Power Systems: Challenges and Solutions

With the revolution of renewable energy, the power system is being more complicated and integrated with more and more power electronics, which is referred to as the “power electronized” power system. In this case, the analysis, control, and operation of the entire power system should tone with the energy-paradigm transition pace. This paper thus explores challenges in power electronized power systems and highlights the stability issue. It serves to spark inspiration on potential solutions to these issues. As one of the solutions to cope with the interconnection of power converters with multi-synchronous generator systems, the virtual inertia concept is discussed in this paper. The impact of highly aggregated power electronic-based power systems is presented. More importantly, prospective solutions considering multiple timescales for the enhancement of power electronized power systems are briefed. A case study is exemplified in this paper to further highlight the analysis and discussion.