Research on nowcasting prediction technology for flooding scenarios based on data-driven and real-time monitoring

With the impact of global climate change and the urbanization process, the risk of urban flooding has increased rapidly, especially in developing countries.Real-time monitoring and prediction of flooding extent and drainage system are the foundation of effective urban flood emergency management.Therefore, this paper presents a rapid nowcasting pred

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Research of DC Voltage Ripple of Single-phase AFE

To take single-phase PWM rectifier as AFE of cascaded H-bridge multi-level frequency converter can satisfy requirement that electric drive system of coal mine hoist must have capacity of bidirectional energy flowing, but there are third harmonic in its AC-side current because of the second ripple of output voltage.To na miata master cylinder slove

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