NDLI: Connecting renewable energy sources into the smartgrid

Content Provider	IEEE Xplore Digital Library
Author	Guerrero, J.M.
Copyright Year	2011
Description	Author affiliation: Institute of Energy Technology, Aalborg University, Denmark (Guerrero, J.M.)
Abstract	Hierarchical control system based on frequency domain is accomplished: •In the primary level of the hierarchical control system, AC current PR controller and DC voltage PI controller are employed •For modular design, droop controller is adopted to reach DC current sharing. Both equal current sharing and unequal current sharing are accomplished, according to the current rating of each converter •In the secondary control level, DC voltage PI controller is adopted to restore the deviation caused by droop control in the primary level. Also, in order to connect the MG to a dc stiff source, first, we have to measure the voltage of this stiff source, and that will be the reference of the secondary control loop. After the transient, the MG can be connected to the dc stiff source through the static bypass switch. At that moment, the MG does not have any exchange of power with the external dc source •In tertiary control, once the MG is connected to the dc source, the power flow can be controlled by changing the voltage inside the MG regulating the current flow to/from a stiff dc source connected to the MG
Starting Page	2400
Ending Page	2566
File Size	88689887
Page Count	167
File Format	PDF
ISBN	9781424493104
e-ISBN	9781424493128
e-ISBN	9781424493111
DOI	10.1109/ISIE.2011.5984420
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-06-27
Publisher Place	Poland
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Content Type	Text
Resource Type	Article

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