Electronically-Interfaced Distributed Generation Units

Electronically-Interfaced Distributed Generation Units

Islanding Detection and Control

LAP Lambert Academic Publishing ( 12.05.2009 )

€ 68,00

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Distributed generation (DG) units such as photovoltaic and wind farm have been increasingly used to address environmental problems, and increase capacity of the electric grid. A DG unit is often connected in parallel with a host grid and injects power to the utility system by means of a power electronics converter. Under normal conditions, both the DG unit and its local load operate in a grid-connected mode. When the DG unit and its local load are disconnected from the grid, an islanded system is created. High depth of penetration of DG units, the economical considerations, and the continuity of supply require that the islanded system operate as an autonomous system. However, there are several technical issues associated with the autonomous operation of the islanded systems, e.g., controllers that can accommodate both modes of operation and the smooth transition between the two modes, and accurate and fast detection of the islanding event. This book proposes various control strategies for islanded operation of the DG units. Moreover, to provide smooth transition from the grid-connected to the islanded mode, a fast and accurate islanding detection method is also presented.

Детали книги:

ISBN-13:

978-3-8383-0007-8

ISBN-10:

3838300076

EAN:

9783838300078

Язык книги:

English

By (author) :

Houshang Karimi
Reza Iravani

Количество страниц:

184

Опубликовано:

12.05.2009

Категория:

Отопительные, энергетические и электростанции