Bøger af Nilesh Chothani

In all over the world, societal development and prompt growing industry have demanded huge per head consumption of Electric Energy. This situation urges the installation of large capacity power plant and transformers for sustainable transmission grid to cater to a large geographical area. This book presents the history, current, upcoming development and comprehensive review/analysis of different transformer protection schemes. Conventional protection schemes of power transformer may operate in anomalies such as Inrush condition, CT saturation during external fault and high resistance internal fault conditions. These deficiencies have been overcome by thorough research which is detailed in the book. Moreover, this book includes various new schemes, based on phasor comparison analysis with sequence component of current as a fault identification with a Wide variation in system parameters & fault conditions. Also based on sequence components, total harmonic distortion, various filtering techniques and derivative-based discrimination of inrush, over-excitation, and various CT saturation conditions are elaborated in detail. The book includes Machine Learning based signal classification.

This book provides an overview of a power transformer infrastructure and comprehensive digital protection of it. It presents various protective methodologies available to protect the transformer from disturbances by taking care of mal-operation due to external disturbances and providing fine protection to the transformer. Though there are many protection methodologies available in the practice. However, these existing methodologies may mal-operate during external disturbances such as inrush, over-fluxing and short circuits. Hence, further research is needed in addition to the existing methods of protection in terms of more fault prediction accuracy, speedy operation, and lower protection cost with zero error in the detection of faults. The book will be useful reference for practitioners from academia and industrial applications.

This book presents the state-of-the-art approach for transmission line protection schemes for smart power grid.