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Juan Manuel Verduzco-Duran - IEEE Xplore Author Profile

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This work illustrates the application of two approaches used for the representation, reduction and solution of power systems under harmonic distortion. The representation is based on frequency dependent network equivalent (FDNE) and companion-circuit analysis (CCA). FDNE enables the formulation of a reduced-order model focused on a specific region of the power system, while the CCA obtains the sol...Show More
This study presents an approach to efficiently solve the periodic steady-state solutions of power systems, ranging from small to large-scale, incorporating photovoltaic (PV) sources within the time-domain framework. The proposed methodology integrates discrete equivalent modeling, numerical integration techniques, and linear equation system solution. The trapezoidal rule (TR) numerical integration...Show More
In this paper, the time-domain harmonic state estimation (TDHSE) for unbalanced three-phase power systems with non-linear loads is addressed. Considering the diversity and complexity of the nonlinear loads connected to the system, it is necessary to accurately estimate the distorted voltage and current waveforms at unmonitored busbars, particularly the dynamics at the point of common coupling. To ...Show More
This article addresses the application of a reduced order representation for analysis of power systems with wind generation sources under fault conditions. A frequency-dependent network equivalent (FDNE) based on a rational function in the discrete-time is used to model the external area of the power system. The characterization of the frequency-dependent terminal admittance at the boundary busbar...Show More
This application describe the comparative analysis of two time-domain (TD) methods for power systems analysis under faulty conditions. Compared methods consist of frequency dependent network equivalent (FDNE) and companion-circuit analysis (CCA). The FDNE obtains a reduction of the system through equivalents of a large part of the network, while that the CCA is represented using discrete Norton eq...Show More
This article deals with the problem of harmonic resonance in power systems, which causes harmonic amplification and can worsen existing harmonic problems in the system. Therefore, performing a frequency response analysis is essential to identify series and parallel resonances in the system within a frequency range of interest. To address this issue, it is proposed to use a Frequency-Dependent Netw...Show More
In this paper a wind energy conversion system (WECS) based on the type-4 topology is shown. The system includes a permanent magnet synchronous generator (PMSG) and a Back- To-Back converter controlled by PI controllers. Average, approximate pulse width modulation (PWM), and ideal PWM switching are applied to the Back- To-Back converter's voltage source converters (VSCs). The approximation model is...Show More
In this paper, the model and simulation in state space of a wind energy conversion system (WECS), using the type-4 wind turbine topology is presented. The model in state space of a wind turbine (WT) with direct-drive permanent magnet synchronous generator (PMSG) via full scale back-to-back converter integrated into the power grid using a RL filter is described. The particular interest in this work...Show More