Introduction.- A General Control Strategy for DC-DC Series-Parallel Power Conversion Systems.- Mathematical Model of DC-DC ISOP System and Closed-Loop Parameters Design.- Wireless IVS Control Strategies for Input-Series-Connected Systems Based on Positive Output Voltage Gradient Method.- General Control Strategy for DC-AC Inverter Series-Parallel Combined System.- Compound Balanced Control Strategy for Input-Series-Output-Parallel DC-AC Inverter...