Contents : New Electronic Devices for Power Converters ,A New Non-Isolated High-Gain Single-Switch DC–DC Converter Topology with a Continuous Input Current , An Experimental Study on the Effect of Multiple Lightning Waveform Parameters on the Aging Characteristics of ZnO Varistors , Multilayer Ceramic Capacitors: An Overview of Failure Mechanisms, Perspectives and Challenges , Feasibility Study for a Python-Based Embedded Real-Time Control System ,Application of High-Speed Gallium Nitride Devices in Mass Spectrometry Sweeping Mode ,Control of Permanent Magnet Synchronous Motors for Track Applications ,Secure Data Transmission of Electronic Health Records Using Blockchain Technology ,Uncertainty and Sensitivity of the Feature Selective Validation (FSV) Method .