Databases are a powerful tool for information processing. They store information, allow updating and changing it, retrieve specific, selected data. Database engines vary: some verify and maintain data integrity or allow ...

Chapter 1: Introductory Trade Issues: History, Institutions, and Legal Framework. Chapter 2: The Ricardian Theory of Comparative Advantage. Chapter 3: The Pure Exchange Model of Trade. Chapter 4: Factor Mobility and Income ...

Ch. 1: Introduction: Open Source Composition Texts Arrive for College Writers by Robert E. Cummings. Ch. 2: What is Academic Writing by L. Lennie Irvin. Ch. 3: So You've Got a Writing Assignment. Now What? by Corrine E. ...

Almost all wind energy systems require a controller to prevent damage to the turbine and the load. With advances in power electronics and microcontrollers, inexpensive yet sophisticated power controllers can be produced ...

The work presented in this chapter was financed by the AGS project Pathways to Sustainable European Energy Systems.

The installed capacity for wind power is increasing substantially in response to the worldwide interest in low-emissions power sources and a desire to decrease the dependence on petroleum. The European Union directive ...

The current storage concepts are ready for deployment. Storage needs to be implemented in particular for Wind Energy, not just here in the US but in all developing countries. The biggest impact is probably the flexibility ...

The basics of electrical drives in rotating dq-coordinate system was introduced as well as the classical definition of active and reactive powers leading to the complex power. Electrical power generation, specifically the ...

The reliability of high power drives can be increased using a generator/motor structure comprising multiple independent stator modules or segments each having an own drive inverter. In case that one of the inverters fails, ...

In this chapter the dynamic behavior of a power system with high percentage of wind power penetration (up to 40%) was studied with emphasis given to the modeling of the system, in order to examine the probable impacts. ...