Due to the lack of the support from the main grid. the islanded hybrid ac/dc microgrid will more likely cause the power flow severe fluctuation and even the microgrid to be split once a serious contingency occurs. To maintain the security and stability of the system under such a condition. this paper proposes a new static security risk assessment of the islanded hybrid ac/dc microgrid... https://www.izztop.com/product-category/bath-water-toys/