Using 3-D mixed-mode simulation, bipolar amplification effect in an inverter chain of single event transient(SET) is studied, and compared with that in single NMOS. It is found that bipolar amplification component takes a large proportion in SET current pulse, but not in an inverter chain. The difference of source/substrate biases between them and the mechanism of amplification are explained, which validates the conclusion that bipolar amplification depends on the bias of source/substrate. The positive current component from source to drain and the mechanism of SET pulse are also studied, and results show that the source current change is positive in the plateau region because of the presence of carrier diffusion.

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For the sake of exploring how to apply new flexible resources to power system efficiently, it is urgent to study the comprehensive value of different flexible resources in typical application scenarios of power system. In this paper, a flexible resource value comprehensive evaluation index system is established from three dimensions: technical value, economic value and application value. Combined with the Technique for Order Preference by Similarity to an Ideal Solution (TOPSIS) method, a comprehensive evaluation model of power system flexible resource value in typical application scenarios is constructed to evaluate the current value of flexible resources in China. The results show that the virtual power plant shows the highest flexible resource matching degree in the peak shaving and valley filling scenario and the auxiliary service scenario, and the electrochemical energy storage shows the highest flexible resource matching degree in the safety support scenario.