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This paper presents a branch and bound method that used to determine the optimal configuration of composite power system expansion planning. The optimal expansion of generations and transmission lines are obtained by referring to the minimum total cost. The summation of investment cost for new generators and transmission lines, operation cost of generating system and also the expected customer interruption...
This paper presents a fast and accurate method to determine the available transfer capability. The Ralston's method is used to predict the two trajectory points of voltage magnitude, power flow and maximum generator rotor angle difference. Then, the cubic-spline interpolation technique is used to accurately trace the P-V, P-S or P-Δδ curves between two points of trajectory. The P-V, P-S and P-Δδ curves...
This paper presents a fast and accurate method to determine the available transfer capability. The Ralston's method is used to predict the two trajectory points of voltage magnitude, power flow and maximum generator rotor angle difference. Then, the cubic-spline interpolation technique is used to accurately trace the P-V, P-S or P- ?? ?? curves between two points of trajectory. The P-V, P-S and P-??...
This paper proposed a fast and accurate computational method to determine the available transfer capability (ATC) in a power system. The methodology utilizes the curve fitting technique so-called as the cubic-spline interpolation technique that is incorporated into the Ralston's method in order to provide fast and accurate estimation of ATC. The Ralston's method is used to predict the two trajectory...
In a deregulated power system, determination of available transfer capability (ATC) should incorporate the amount of transmission reliability margin (TRM) so that the transmission network is secure under a reasonable range of uncertainty that occur during a power transfer. This paper presents a new approach to evaluate the TRM with an extensively large amount of uncertainty. The approach uses the...
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