Mark O'Malley – författare
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5 produkter
5 produkter
Inbunden, Engelska, 2007
1 913 kr
Skickas inom 3-6 vardagar
The rapid growth of wind generation has many implications for power system planning, operation and control. This would have been a considerable challenge for the old nationalised power companies; it has become an even greater challenge in today's liberalised electricity markets.Network development, voltage rise, protection, monitoring and control are connection problems common to all wind power generation. These issues are addressed through an understanding of the basic electrical engineering concepts and wind power technology. When wind power approaches 10 percent of all generation, it impinges on system operation. The underlying principles of system balancing are presented, before considering the impact of many variable generation sources whose outputs are difficult to predict. Wind power forecasting is crucial to successful wind power integration, and basic theory and current practice are considered. Storage can also help but it needs to be low cost and, ideally, based on intelligent use of existing load. Finally, electricity markets are explained and the commercial challenges facing wind power are assessed.The book provides a wide-ranging discussion on all major aspects of wind power integration into electricity supply systems. It requires no specialist knowledge and will appeal to engineers from various disciplines looking for an overview of a technology that is providing a major impetus for sustainable electricity supply in the twenty-first century.
E-bok
Engelska, 2020253 kr
Läs direkt efter köp
Growing evidence indicates that spiritual practices enhance personal resilience under challenging circumstances. Combining the wisdom of the Bible (stations) with modern considerations of positive psychology, Visions of Hope is a practical guide map for chronic patients. The symbolic framework of the stations of the cross serves in the examination and understanding of the challenging facets of chronic diseases, such as the trials of despair, suffering, and the hope of redemption. The book does not shy away from discussing the most difficult questions the reader might face, including the need to face death and what happens after we die. Original illustrations by the author, classic poetry, and quotes from the Bible and other religious and spiritual texts bring the content into a sharper focus for the reader in an aesthetically pleasing and meaningful volume. This is a book you will want to keep and share with family and friends throughout the disease process.
Häftad, Engelska, 2020
173 kr
Skickas inom 5-8 vardagar
Inbunden, Engelska, 2020
308 kr
Skickas inom 5-8 vardagar
Inbunden, Engelska, 2014
1 703 kr
Skickas inom 3-6 vardagar
The rapid growth of wind generation has many implications for power system planning, operation and control. Network development, voltage rise, protection, monitoring and control are connection problems common to all wind power generation.Wind Power Integration: Connection and System Operational Aspects, 2nd edition has been fully revised and updated to take account of the significant growth in wind power deployment in the past few years to provide a wide-ranging discussion on all major aspects of wind power integration into electricity supply systems. Topics covered include: the development of wind power technology and its world-wide deploymenta primer in electric power engineering for non-electrical engineers - which system delivers significant wind energy to consumers at least cost?wind power technology and the interaction of various wind turbine generator types with the utility networkutility networks, and how they may be developed to accept significant wind powerhow operational practice can be modified to take account of a variable power source with limited scope for controlwind power forecastingthe challenges faced by wind energy in modern electricity marketsThis second edition has been fully revised and updated to take account of the significant growth in wind power deployment in the past few years. New discussions have been added to describe developments in wind turbine generator technology and control, the network integration of wind power, innovative ways to integrate wind power when its generation potential exceeds 50% of demand, case studies on how forecasting errors have affected system operation, and an update on how the wind energy sector has fared in the marketplace.Wind Power Integration: Connection and System Operational Aspects, 2nd edition will appeal to engineers from various disciplines looking for an overview of a technology that is providing a major impetus for sustainable electricity supply in the twenty-first century.