On the basis of the heat transfer equation and energy balance equation of a single phase heat exchanger an analysis was conducted of the mechanism concerning the difference of dynamic response of various types of lumped parameter models, especially the initial negative deviation of outlet temperatures in the dynamic process.

Dynamic thermalhydraulic lumped, distributed modelsand its various forms for singlephase heated tubes are summarized for power plant boiler and other heating power equipmentdynamic characteristic analysis and realtime simulation with theircharacteristic, simplified forms.

Research on application of single-phase active multi-tariff watt-hour meter in its practical application;

CPS-SPWM technique for a single-phase multilevel current source inverter;

Analysis of pressure drop characteristics of single-phase flowing through vertical rolling pipes;