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This paper proposes an optimization based method of planning reactive power control for electric transmission systems to endow them with the capability of being reconfigured to a secure configuration under a list of contingencies. The overall objective function is to minimize the installation cost of new controls such as mechanically switched capacitors, while satisfying the requirements of voltage...
This paper proposes an optimization-based method of planning reactive power control for electric transmission systems to endow them with the capability of being reconfigured to a secure configuration under a list of contingencies. The overall objective function is to minimize the installation cost of new controls such as mechanically switched capacitors, while satisfying the requirements of voltage...
This paper describes the modeling of a 3-phase AC-DC-AC converter with two back to back space vector modulated voltage source inverters connected to a DC link. The converter allows four-quadrant operation in the P-Q plane and can be used to connect regenerative loads. A decoupled P-Q controller to regulate the DC link voltage is implemented using MATLAB/SIMULINK, and the effect of variations in grid...
Voltage instability can be mitigated or avoided by coordination of appropriate control resources. In addition, to meet the power quality requirements, it is desirable to find the whole minimal-cost trajectory using available controls without violating any constraints. This is the trajectory optimization problem and intrinsically hard to solve in power systems because of the interactions between continuous...
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