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Load Flow Studies

Voltage Profile of Transmission Line

Voltage Profile of Transmission Line: Control of Voltage Profile of Transmission Line at the receiving bus in the fundamental two-bus system was discussed already. Though the same general conclusions hold for an interconnected system, it is important to discuss this problem in greater detail. At a bus with generation, voltage can be conveniently controlled by …

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Comparison of Gauss Seidel and Newton Raphson Load Flow Methods

Comparison of Gauss Seidel and Newton Raphson Load Flow Methods: Comparison of Gauss Seidel and Newton Raphson Load Flow Methods, when both use YBUS as the network model. It is experienced that the Gauss Seidel method works well when programmed using rectangular coordinates, whereas Newton Raphson requires more memory when rectangular coordinates are used. Hence, polar …

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Decoupled Load Flow Methods

Decoupled Load Flow Methods (DLF): An important characteristic of any practical electric power transmission system operating in steady state is the strong interdependence between real powers and bus voltages angles and between reactive powers and voltage magnitudes. This interesting property of weak coupling between P-δ and Q-V variables gave the necessary motivation in developing the …

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Gauss Seidel Method

Gauss Seidel Method: The Gauss Seidel Method (GS) is an iterative algorithm for solving a set of non-linear algebraic equations. To start with, a solution vector is assumed, based on guidance from practical experience in a physical situation. One of the equations is then used to obtain the revised value of a particular variable by …

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Formation of YBUS By Singular Transformation

Formation of YBUS By Singular Transformation: Formation of YBUS By Singular Transformation – The matrix pair YBUS and ZBUS form the network models for load flow studies. The YBUS can be alternatively assembled by use of singular transformations given by a graph theoretical approach. This alternative approach is of great theoretical and practical significance and …

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