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In this paper, a trajectory sensitivity method (TSM) is used to estimate parameters of a synchronous generator model suitable for unbalanced conditions which are typical of distribution systems. The current formulation and mechanical equations which represent the synchronous machine have parameters whose value modification cause significant changes in system's output. Trajectory sensitivity method...
This paper presents the analysis of a distribution system subject to reconfiguration with high wind penetration over a period of 24 hours. In order to meet this objective, the reconfiguration problem is solved through mixed integer linear programming considering the stochasticity of the variables, where the balance between load and generation has to be satisfied at the lowest cost in each period....
The objective of this research is to evaluate the performance of a Power System Stabilizers (PSS), designed using a formulation based on Linear Matrix Inequalities (LMIs), in an Electric Power Distribution System (EPDS) with distributed synchronous generators operating under unbalanced three-phase. Under these conditions, the steady-state operation of the EPDS is not an equilibrium point, which introduces...
A large number of distributed generations (DGs) in a distribution grid always belong to different operators. Therefore, the exact changes in operation state caused by each single DG, such as the allocation of power loss, should be determined. This study proposes a method combining power flow algorithm, sensitivity analysis, and multi-step integration. The total changes caused by all the DGs can then...
Harmonic distortion on voltages and currents increases with the increased penetration of Plug-in Electric Vehicle (PEV) loads in distribution systems. Wind Generators (WGs), which are source of harmonic currents, have some common harmonic profiles with PEVs. Thus, WGs can be utilized to subside the effect of PEVs on harmonic distortion. This paper studies the impact of PEVs on harmonic distortions...
In order to meet requirements of distributed generator (DG) integration with distribution system and real-time simulation, a novel voltage optimization algorithm which is used to solve the active power output of DG units in distributed environment is presented in this paper. Firstly, an automatic partitioning method based on hierarchical agglomerative clustering (HAC) is proposed to decompose the...
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