NDLI: Dynamic interactions between HVDC systems connected to AC buses in close proximity

Content Provider	IEEE Xplore Digital Library
Author	Bui, L.X. Sood, V.K. Laurin, S.
Copyright Year	1986
Abstract	As AC/DC systems become further integrated, multiple-infeed converter (MIC) systems can be expected to become more common. Different categories of MIC systems are defined, and: (1) the impact of the AC system strength; and (2) the coordination of the reactive power demand of the converters on the dynamic performance of such systems are discussed. Analog or physical simulator study results are presented which provide some insight into the dynamic behavior of one category of such systems. In relation to MIC systems which have a common AC bus or are connected to AC buses which are electrically close to each other, the following conclusions can be drawn: (1) careful evaluation of interactions between converters is necessary since even a remote fault affecting one DC system may affect other DC systems within the MIC system; (2) coordination of reactive powers at the common AC bus is necessary to avoid unnecessary mode shifts; and (3) coordination of the operating and control characteristics (i.e. VDCL characteristics) of converters within a MIC system is essential for satisfactory dynamic behavior of the total system.<>
Sponsorship	IEEE Power Engineering Society
Starting Page	223
Ending Page	230
Page Count	8
File Size	691971
File Format	PDF
ISSN	08858977
Volume Number	6
Issue Number	1
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1991-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	HVDC transmission Microwave integrated circuits Power harmonic filters Analog-digital conversion Power system harmonics Impedance Senior members Circuit simulation Resonance DC-DC power converters
Content Type	Text
Resource Type	Article
Subject	Energy Engineering and Power Technology Electrical and Electronic Engineering

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Harmonic voltage and current transfer, and AC- and DC-side impedances of HVDC converters

Low-order harmonic interactions on AC/DC systems

Harmonic transfer through converters and HVDC links

Harmonic tensor linearisation of HVDC converters

Screening for HVDC system core saturation instability

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Dynamic interactions between HVDC systems connected to AC buses in close proximity

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