期刊
EUROPEAN TRANSACTIONS ON ELECTRICAL POWER
卷 22, 期 4, 页码 421-432出版社
WILEY
DOI: 10.1002/etep.570
关键词
AC-DC load flow; AC-DC power systems modeling; sequential modified Gauss-Seidel method
The paper describes a new approach for the load flow calculations of integrated ACDC system. A simple and reliable method for sequential modified Gauss and GaussSeidel power flow for ACDC system is developed. This approach is based on applying nodal injection theory at all buses. The DC system is treated by the current injected to the buses where it is connected and its effect is reflected at internal buses by additional power injection. Iterations between AC and DC power flow algorithms are made to match boundary conditions between the two systems. In this approach, the active and reactive power and the AC voltages at the converter buses are considered as the interface between the AC and DC equations in each iteration step. The combined ACDC equations are solved separately using sequential modified Gauss and GaussSeidel methods. The developed algorithm to solve the ACDC power flow has been tested on the IEEE 9-bus test system. Copyright (c) 2011 John Wiley & Sons, Ltd.
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