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Surveying Solid-State Transformer Structures and Controls: Providing Highly Efficient and Controllable Power Flow in Distribution Grids
IEEE Transactions on Neural Networks and Learning Systems ( IF 10.2 ) Pub Date : 2020-03-24 , DOI: 10.1109/mie.2019.2950436
Felipe Ruiz , Marcelo A. Perez , Jose R. Espinosa , Tomasz Gajowik , Sebastian Stynski , Mariusz Malinowski

The large-scale integration of renewable energy sources (RESs) and the increasing number of energy-storage (ES) systems connected to the grid will create a big challenge for power flow management at the distribution level. In this new scenario, a solid-state transformer (SST) will be a highly efficient key element for providing highly efficient and controllable power flow in distribution grids. SSTs not only mimic the operation of conventional transformers, which scale the voltage level between primary and secondary terminals, but they also control bidirectional power flow, stabilize voltage, facilitate direct integration of ES, and mitigate harmonics and transients, which can cause the power quality of the grid voltage to deteriorate. This article surveys several proposed structures for SSTs in the literature based on different ways of interconnecting power converter topologies.

中文翻译:

测量固态变压器的结构和控制:在配电网中提供高效且可控的潮流

可再生能源(RES)的大规模集成以及连接到电网的越来越多的能量存储(ES)系统将为配电级的潮流管理带来巨大挑战。在这种新情况下,固态变压器(SST)将成为在配电网中提供高效且可控制的潮流的高效关键元件。SST不仅模仿常规变压器的运行,从而缩放初级和次级端子之间的电压水平,而且还控制双向潮流,稳定电压,促进ES的直接集成并减轻谐波和瞬变,这会导致电能质量电网电压下降。
更新日期:2020-04-22
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