Power electronics play a pivotal role in managing and controlling the flow of electrical energy, converting outputs, and seamlessly integrating renewable energy sources into the power grid. This seminar will delve into the latest challenges and advancements in the reliability design, testing of power electronic components and converters, and condition monitoring for predictive maintenance and operational optimization. It will cover the following aspects: 1) a brief introduction to the background and relevant research activities in the last decade; 2) detailed case studies, specifically focusing on wind applications, that highlight reliability design, testing, and condition monitoring of power electronic components and converters; and 3) an exploration of the potential applications of artificial intelligence (AI) in the design, operation optimization, and predictive maintenance of systems within renewable energy applications.