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For settle the divergence problem of ill-condition system, traditional power flow calculation in polar coordinates can be transformed into a nonlinear programming model. It is a convenient way to judge whether the general power flow equations have feasible solutions or not according to the value of target function. Getting the correction equations by Newton method, LDLT decomposition method is used...
This paper presents a decomposition method for multi-area optimal power flow (OPF) problem. Applying this method to the multi-area OPF problem will yield an optimal coordinated but decentralized solution. The proposed method is efficient in solving the OPF problem with limited data exchange between areas. The developed method is successfully implemented and tested using the 3 area IEEE 30 bus test...
A multiple contingency optimal power flow problem incorporating static voltage stability constraints is proposed. The distance in term of load MW between the current operating point and the point of collapse is used as the index for evaluating the voltage stability. A new decomposition and iteration method for solving the proposed MC-VSCOPF problem is presented. The continuation power flow is used...
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