Microgrids

Preface

The book deals with understanding, analyzing and justifying Microgrids, as novel distribution network structures that unlock the full potential of Distributed Energy Resources (DER) and thus form building blocks of future Smartgrids. In the context of this book, Microgrids are defined as distribution systems with distributed energy sources, storage devices and controllable loads, operated connected to the main power network or islanded, in a controlled, coordinated way. Coordination and control of DER is the key feature that distinguishes Microgrids from simple distribution feeders with DER. In particular, effective energy management within Microgrids is the key to achieving vital efficiency benefits by optimizing production and consumption of energy. Nevertheless, the technical challenges associated with the design, operation and control of Microgrids are immense. Equally important is the economic justification of Microgrids considering current electricity market environments and the quantified assessment of their benefits from the view of the various stakeholders involved.

Discussions about Microgrids started in the early 2000, although their benefits for island and remote, off-grid systems were already generally appreciated. Nowadays, Microgrids are proposed as vital solutions for critical infrastructures, campuses, remote communities, military applications, utilities and communal networks. Bright prospects for a steady market growth are foreseen. The book is intended ...