Abstract

The steady rise in energy demand, combined with the loss of conventional resources, spurs research into environmentally benign renewable energy sources like solar and wind. These sources are appropriate for rural, urban, and offshore areas because to their ease of installation, low operating costs, and copious supply (sun light and wind). In the event of a problem, the distant locations are typically in the middle of nowhere, far away from technical support. This drives research towards fault-tolerant converter technology. These fault-tolerant converters improve reliability, ensuring that key loads receive uninterrupted power. This paper will discuss the redundant path approach, which is an essential part of controlling multilevel inverters under fault-conditions. Suggested fault diagnosing methods are also discussed in this paper. Computer simulation and lab results validate the proposed controls.

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