NDLI: A two-stage power dispatching algorithm for system support by droop-controlled DC grids

Content Provider	IEEE Xplore Digital Library
Author	Yujun Li Zhao Xu Kit Po Wong Loi Lei Lai
Copyright Year	2015
Description	Author affiliation: Dept. of Electr. Eng., Hong Kong Polytech. Univ., Hong Kong, China (Yujun Li; Zhao Xu) \|\| State Grid Energy Res. Inst., Beijing, China (Loi Lei Lai) \|\| Dept. of Electr. Eng., Univ. of Western Australia, Perth, WA, Australia (Kit Po Wong)
Abstract	This paper presents a two-stage algorithm to regulate the power flow among a Multi-Terminal DC (MTDC) grid with DC voltage droop controllers to provide system support for the surrounding AC systems. At stage one, DC voltage of each terminal is calculated with the proposed analytical model to track the power demand of AC systems determined by the system operator. At stage two, power initial set points or DC droops of the droop controllers are modified according to the calculated DC voltage in the first stage. The proposed algorithm can accurately and quickly track the power demand from AC systems to provide system support under the system frequency disturbances. A four-terminal MTDC grid was modeled in the DIgSILENT/PowerFactory to demonstrate the effectiveness of the proposed algorithm.
Starting Page	1
Ending Page	5
File Size	1206258
Page Count	5
File Format	PDF
ISBN	9781467380409
DOI	10.1109/PESGM.2015.7285759
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-07-26
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Voltage control Jacobian matrices system support Multi-Terminal VSC-HVDC (MTDC) DC Droop control power flow
Content Type	Text
Resource Type	Article

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Sequential algorithm-based model for the study of AC/DC power flow in VSC-MTDC systems

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A DC voltage control strategy for MMC MTDC grids incorporating multiple master stations

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A two-stage power dispatching algorithm for system support by droop-controlled DC grids

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