Control of hybrid AC/DC microgrid under islanding operational conditions

doi:10.1007/s40565-014-0065-z

Home > Archive>Volume 2, Issue 3, 2014 >223-232. DOI:10.1007/s40565-014-0065-z

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Control of hybrid AC/DC microgrid under islanding operational conditions

DOI:

10.1007/s40565-014-0065-z

Author:

Guangqian DING
Guangqian DING
Key Laboratory of Power System Intelligent Dispatch and Control (Shandong University), Ministry of Education, Jinan, 250061, China
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Feng GAO
Feng GAO
Key Laboratory of Power System Intelligent Dispatch and Control (Shandong University), Ministry of Education, Jinan, 250061, China
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Song ZHANG
Song ZHANG
State Grid of China Technology College, Jinan, China
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Poh Chiang LOH
Poh Chiang LOH
Department of Energy Technology, Aalborg University, Aalborg, Denmark
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Frede BLAABJERG
Frede BLAABJERG
Department of Energy Technology, Aalborg University, Aalborg, Denmark
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Affiliation:

1. Key Laboratory of Power System Intelligent Dispatch and Control (Shandong University), Ministry of Education, Jinan, 250061, China 2. State Grid of China Technology College, Jinan, China 3. Department of Energy Technology, Aalborg University, Aalborg, Denmark

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Abstract:

This paper presents control methods for hybrid AC/DC microgrid under islanding operation condition. The control schemes for AC sub-microgrid and DC sub-microgrid are investigated according to the power sharing requirement and operational reliability. In addition, the key control schemes of interlinking converter with DC-link capacitor or energy storage, which will devote to the proper power sharing between AC and DC sub-microgrids to maintain AC and DC side voltage stable, is reviewed.Combining the specific control methods developed for AC and DC sub-microgrids with interlinking converter, the whole hybrid AC/DC microgrid can manage the power flow transferred between sub-microgrids for improving onthe operational quality and efficiency.

Key words:Microgrid, Islanding operation, Distributed generation, Hybrid AC/DC microgrid, Inverter, Power flow

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Online: May 22,2015
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