Some subjects of load flow calculation in shipboard integrated power systems

Modern shipboard integrated power systems require efficient and fast load flow solution methods. Classical load flow methods can't be applied directly because of the typical characters such as high R/X ratios, mixed AC and DC regions and ungrounded connection types. This paper illustrates some...

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Bibliographic Details
Published in2011 International Conference on Electrical Machines and Systems pp. 1 - 5
Main Authors Kang Jun, Fu Lijun, Ma Fan, Wang Gang, Ye Zhihao, Fan Xuexin
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.08.2011
Subjects
Admittance
Convergence
Impedance
Load flow
Load modeling
Mathematical model
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Summary:Modern shipboard integrated power systems require efficient and fast load flow solution methods. Classical load flow methods can't be applied directly because of the typical characters such as high R/X ratios, mixed AC and DC regions and ungrounded connection types. This paper illustrates some subjects of load flow calculation for shipboard power systems. Factors affecting the convergence of load flow equations are analyzed in details, which provide the precondition for solving load flow equations. Improvements on load flow methods for ungrounded distribution power systems are proposed due to the lost of ground reference in shipboard power systems. Especially, integrated AC/DC systems load flow approaches including three-phase converter models are also presented. Numerical examples demonstrate the validity and effectiveness of the proposed method.
ISBN:9781457710445
1457710447
DOI:10.1109/ICEMS.2011.6073824