Jayakrushna Moharana Knihy

The book offers a comprehensive manual for experiments in Power Electronics, focusing on solid-state devices used for electric power control and conversion. It features eight chapters covering key components like BJTs, MOSFETs, UJTs, IGBTs, and Thyristors, detailing their static characteristics and testing processes. Additionally, it includes practical applications with multifunctional tests for TRIACs and DC to DC converters. This structured approach makes it a valuable resource for understanding both theory and practical experimentation in the field.

Focusing on the fundamentals of electrical and electronic engineering, this book simplifies complex concepts to make them accessible for undergraduate students, particularly those from non-electrical backgrounds. It covers essential components like batteries, resistors, and capacitors, and emphasizes the analysis of electrical networks through closed loops. Detailed explanations of network topologies and laboratory experiments are provided, ensuring that students gain practical understanding alongside theoretical knowledge.

Today production of electricity in the world is mainly fossil fuel based. Eco- friendly power generation is a burning issue for power generation. Solar Energy solves this problem very well. Scientists are trying to increase the efficiency of Solar PV modules to use them more efficiently as an alternate source of fossil fuel for power generation. But efficiency of Solar PV Cells and Modules can reduce due to faults generated inside of them. This paper tries to analyze and calculate the reduction of efficiency for faults associated with Solar PV cell and modules. Besides, different fault detection procedures are also discussed that are adopted worldwide. Previous studies have concerned homogeneous systems with a large set of parameters being observed, while this study is focused on a more restrictive case. The first problem is to discover immediate faults occurring in solar panels. A new online algorithm is developed in MATLAB/SIMULINK based on similarity measures within a single installation. It performs reliably and is able to detect all significant faults over a certain threshold. The second problem concerns measuring degradation over time.

Die Analyse der Verringerung des Wirkungsgrads von PV-Solarzellen und -Modulen steht im Mittelpunkt dieser Untersuchung. Fehler in diesen Systemen können die Effizienz beeinträchtigen, weshalb verschiedene Verfahren zur Fehlererkennung thematisiert werden. Besonderes Augenmerk liegt auf einem neu entwickelten Online-Algorithmus in MATLAB/SIMULINK, der auf Ähnlichkeitsmaßen basiert und signifikante Fehler zuverlässig identifiziert. Zudem wird die zeitliche Degradation der Solarzellen erfasst, wobei die Studie sich auf spezifische, restriktive Fälle konzentriert, im Gegensatz zu früheren Arbeiten, die breitere Systeme betrachteten.

Die Entwicklung von Flexible AC Systems (FACTS) stellt einen bedeutenden Fortschritt in der Leistungselektronik dar, der die Steuerbarkeit und Leistungsübertragung in Wechselstromsystemen verbessert. Das Buch vermittelt ein tiefes Verständnis für FACTS-Regler und deren Anwendungen in Energiesystemen, basierend auf der Arbeit von N.G.Hingorani und L.Gyugyi. Es richtet sich an Studierende und fördert den Denkprozess durch eine umfassende Betrachtung der Themen in acht Kapiteln. Die Kombination von Halbleiterbauelementen und deren innovative Nutzung wird ebenfalls behandelt.