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This paper proposes a soft switching type dc-dc converter. To suppress noise levels, reformed delta-sigma modulation circuit is introduced. To reduce switching loss, the proposed converter also introduces soft switching technique.
Recently renewable energy has attracted a lot of attention and solar power generation systems and wind power generation systems are widely used as public eco-awareness increases. Generally inverters are used in such power generation systems. They need high efficiency. Multi-level technique improves efficiency of inverters.
This paper concerned with an advanced practical development of utility grid-tied 3 phase voltage source type is instantaneous current controlled inverter with minimized pulse switching number-based pulse modulation strategy. It is a key issue that newly-proposed utility inverter incorporates a new conceptual extended neutral point voltage shifting module into the d-q synchronous rotating cordinate...
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