NDLI: Enhanced Single Phase Locked Loop for Grid-Connected Converter in Distribution Network

Content Provider	IEEE Xplore Digital Library
Author	Zhibing Wang Yuhong Wang Shouyuan Wu
Copyright Year	2010
Abstract	Distributed generations are becoming increasingly attractive to consumers and such as in the future, the governing grid-connection standards are demanding due to the large number of alternative distributed energy resource (DER) and the multifunction converter, such as supplying reactive power, improving power quality. Now the grid-connected performances are much greater emphasized on the robust synchronous technique, which requires the phase, the amplitude, and the frequency of the utility grid for the operation of the grid connected power conditioning equipments. In such application, a more accurate and faster Phase Locked Loop is necessary, but the existing PLLs are lack of better performances. This paper presents an improved single PLL for the grid-connected converter based on instantaneous DQ theory and nonlinear control in distribution network; the advantage of PLL includes high accuracy, independent frequency, and faster response. The validity of PLL is verified by simulation and experiment.
Starting Page	3705
Ending Page	3709
File Size	439107
Page Count	5
File Format	PDF
ISBN	9781424468805
e-ISBN	9781424468812
DOI	10.1109/iCECE.2010.904
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-06-25
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Distributed Energy Resource (DER) Low pass filters Phase Locked Loop (PLL) Converters Filtering theory Distribution Network Phase locked loops Delay Power harmonic filters Distributed Generation (DG)
Content Type	Text
Resource Type	Article

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