... innovative single-phase, single-stage, flyback-based, buck-boost converter for renewable energy systems, especially for wind turbine systems in grid-connected applications. This paper focuses on the ... sinusoidal current waveform feeding to a single-phase grid. For small grid-connected wind turbine systems, inverters should be small, inexpensive and reliable. Further efforts have been directed ... single-phase, single-stage, flyback-based, buck-boost inverter for renewable energy conversion systems, especially for wind turbine systems in both grid-connected and standalone applications....