Between 1988 and 1993, Fukuoka (sociology, Saitama U.) conducted 150 in-depth interviews with young ethnic Koreans permanently residing in Japan, known as Zainichi Koreans, most of whom are the offspring of Koreans who came to Japan around the time of WWII. The author deduces five types of ethnic orientation among the subjects of her study: pluralist, nationalist, individualist, naturalizing, and ethnic solidarity types. Part one examines case histories of ten Zainichi Koreans, giving two examples of each type. Part two consists of 12 case studies of second and third generation Zainichi Korean women. Distributed by ISBS. c. Book News Inc.
This book presents innovative techniques and approaches to maintaining dynamic security of modern power systems that have a high penetration of renewable energy sources (RESs). The authors propose a number of frequency control strategies and schemes to address and evade stability problems in system frequency and voltage that can lead to power interruption and power failure/blackout. The book includes case studies aimed at validating the effectiveness of the techniques and strategies presented, and will be a valuable resource for researchers working in electrical power engineering, power system stability, dynamics and control, and microgrids.
This book opens with a brief introduction to renewable energy and the advantages of solar energy systems, an overview of concentrated solar power (CSP) system technologies and modeling, and the application of artificial neural network (ANN) technologies in various solar field systems. Later chapters cover data and operation methods of central tower receiver power plants (CTRPP), important models of ANN techniques used in solar energy fields, accurate methods for modeling CTRPP, the economics of solar energy systems, the CSP impacts on the penetration level of photovoltaic (PV) systems, and a look at the reliability of systems using case studies on PV systems and hybrid PV and CSP systems. Provides an introduction to renewable energy and the advantages of solar energy systems Outlines methods for modeling central tower receiver power plants Includes case studies on photovoltaic (PV) and hybrid PV and concentrated solar power systems
This book provides a thorough understanding of the basic principles, synthesis, analysis, and control of virtual inertia systems. It uses the latest technical tools to mitigate power system stability and control problems under the presence of high distributed generators (DGs) and renewable energy sources (RESs) penetration. This book uses a simple virtual inertia control structure based on the frequency response model, complemented with various control methods and algorithms to achieve an adaptive virtual inertia control respect to the frequency stability and control issues. The chapters capture the important aspects in virtual inertia synthesis and control with the objective of solving the stability and control problems regarding the changes of system inertia caused by the integration of DGs/RESs. Different topics on the synthesis and application of virtual inertia are thoroughly covered with the description and analysis of numerous conventional and modern control methods for enhancing the full spectrum of power system stability and control. Filled with illustrative examples, this book gives the necessary fundamentals and insight into practical aspects. This book stimulates further research and offers practical solutions to real-world power system stability and control problems with respect to the system inertia variation triggered by the integration of RESs/DGs. It will be of use to engineers, academic researchers, and university students interested in power systems dynamics, analysis, stability and control.
Between 1988 and 1993, Fukuoka (sociology, Saitama U.) conducted 150 in-depth interviews with young ethnic Koreans permanently residing in Japan, known as Zainichi Koreans, most of whom are the offspring of Koreans who came to Japan around the time of WWII. The author deduces five types of ethnic orientation among the subjects of her study: pluralist, nationalist, individualist, naturalizing, and ethnic solidarity types. Part one examines case histories of ten Zainichi Koreans, giving two examples of each type. Part two consists of 12 case studies of second and third generation Zainichi Korean women. Distributed by ISBS. c. Book News Inc.
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