Optimization Study of PWM Frequency and Current Ratio for SiC MOSFET/Si IGBT Topology Hybrid Inverter.- Research on Capacitance Voltage Divider Technology Based on Wave Impedance Matching.- Reactive power optimization of power plant auxiliary system considering renewable energy access.- Research on Methods to Improve the Loading Capacity of Capacitive Voltage Dividers.- The effect of frictional vibration on the current collection quality of the pantograph-catenary system.- Grid Forming Control of Grid-Connected Converters with Enhanced Frequency and Voltage Support Capability.- Research on Grid-Tied Inverters with Virtual Impedance Control using Bandpass Filter.- Cation-Modified Vermiculite for Battery Fire Extinguishing.- Target Power Allocation Method for Multi Frequency and Multi Load Inductively Coupled Power Transmission System.- Design and Analysis of Tubular Permanent Magnet Linear Generator.