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Title: Construction, operation and control of a laboratory-scale Microgrid
Authors: Che, Y
Yang, Z
Cheng, KWE 
Issue Date: 2009
Source: PESA 2009 : International Conference on Power Electronic Systems and Applications : 20th-22nd May 2009, p. [1-5]
Abstract: To provide a test facility for possible demonstrations of advanced distributed generation system integration strategies, a single-phase laboratory-scale Microgrid system is set up. Two distributed generators are included in this Microgrid, a photovoltaic simulator and a wind turbine simulator. Both of them are connected to the AC grid via flexible power electronic interface respectively. For stable collaborative operation, a battery energy storage interfaced with a bi-directional inverter is necessary in this Microgrid. In the grid-connected mode, both the distributed generators converters and the bi-directional inverter are the grid-following unit. While switching from grid-connected mode to islanded mode, the bi-directional inverter is setting the voltage and frequency of the Microgrid through absorbing or releasing energy. The operation experimental results show that the laboratory-scale Microgrid system can operate in grid-connected or islanded mode, with a seamless transfer from one mode to the other, and hence increase the reliability of energy supplies.
Keywords: Bi-directional inverter
Distributed generation
Grid-connected mode
Publisher: Power Electronics Research Centre, The Hong Kong Polytechnic University
ISBN: 978-988-17471-3-6
Rights: Copyright © The Hong Kong Polytechnic University 2009.
Appears in Collections:Conference Paper

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