Search Results - "Aghamohammadi, M R"

A Novel Approach to Extended System Frequency Response Model for Complex Power Systems (ESFR) by Shariati, O., Aghamohammadi, M. R., Potter, B., Mirheydar, M.

“…This paper presents a practical medium-order multi-machine Extended System Frequency Response (ESFR) model that is applicable for the frequency behaviour study…”
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Controlled Islanding Based on the Coherency of Generators and Minimum Electrical Distance by Aghamohammadi, M. R., Mahdavizadeh, S. Fazel, Rafiee, Z.

“…Inter-area oscillations and cascading failures are the most serious threats to the security of the electric power system. Uncontrolled islanding will occur in…”
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On-Line Determination of Salient-Pole Hydro Generator Parameters by Neural Network Estimator Using Operating Data (PEANN) by Shariati, O., Aghamohammadi, M. R., Potter, B.

“…A novel application of Artificial Neural Network (ANN) to estimate and track Hydro Generator Dynamic Parameters using online disturbance measurements is…”
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Improvement of Transient Voltage Profile Using Power Control of the DFIG-Based Wind Farm Under Severe Voltage Dip Event by Z. Rafiee, M. Rafiee, M. R. Aghamohammadi

“…Improving transient voltage stability is one of the most important issues that must be provided by doubly fed induction generator (DFIG)-based wind farms (WFs)…”
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Online emergency damping controller to suppress power system inter-area oscillation using load-generation tripping by Khaji, M., Aghamohammadi, M.R.

“…•For damping inter-area oscillations a load-generation tripping scheme is proposed.•For damping inter-area oscillation on-line, non-model based approach is…”
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Optimal Sensorless Four Switch Direct Power Control of BLDC Motor by S. Hajiaghasi, Z. Rafiee, A. Salemnia, M. R. Aghamohammadi

“…Brushless DC (BLDC) motors are used in a wide range of applications due to their high efficiency and high power density. In this paper, sensorless four-switch…”
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A new approach for online coherency identification in power systems based on correlation characteristics of generators rotor oscillations by Aghamohammadi, M.R., Tabandeh, S.M.

“…•A new approach is proposed for identifying coherent generators by rotor correlation.•The correlation characteristic of rotor oscillations is used as an index…”
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Application of Newton-based load flow methods for determining steady-state condition of well and ill-conditioned power systems: A review by Karimi, M., Shahriari, A., Aghamohammadi, M.R., Marzooghi, H., Terzija, V.

“…•A comprehensive study on the application of Newton-based load flow methods.•Study the load flow method on well and ill-conditioned power systems.•First order…”
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Restoring desired voltage security margin based on demand response using load-to-source impedance ratio index and PSO by Hashemi, Sina, Aghamohammadi, M.R., Sangrody, Hosein

“…•A two-state algorithm for preserving desired VSM is proposed.•This approach is capable of estimating threshold voltage and optimal load…”
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Emergency transmission line switching to suppress power system inter-area oscillation by Khaji, M., Aghamohammadi, M.R.

“…•A new approach is proposed for damping inter-area oscillations.•Line switching is used as a strategy for supplementary emergency damping control.•Sensitivity…”
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Frequency stability-based controlled islanding scheme based on clustering algorithm and electrical distance using real-time dynamic criteria from WAMS data by Mahdavizadeh, S.F., Aghamohammadi, M.R., Ranjbar, S.

“…This paper presents online criteria of frequency stability-based controlled islanding scheme based on the density-based clustering algorithm and the system…”
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Small signal stability constrained rescheduling using sensitivities analysis by Neural Network as a preventive tool by Aghamohammadi, M R, Beik-Khormizi, A

“…Small signal stability that appears as low frequency oscillations play an important role when increasing power transfer in interconnected power systems. In…”
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A novel approach for improving voltage stability margin by sensitivity analysis of Neural Network by Aghamohammadi, M R, Hashemi, S, Ghazizadeh, M S

“…This paper presents a new approach for estimating and improving voltage stability margin from phase and magnitude profiles of bus voltages using sensitivity…”
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Application of neural network observer for on-line estimation of salient-pole synchronous generators' dynamic parameters using the operating data by Shariati, O, Zin, A A M, Aghamohammadi, M R

“…Parameter identification is critical for modern control strategies in electrical power systems which is considered both dynamic performance and energy…”
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A novel index for online voltage stability assessment based on correlation characteristic of voltage profiles by Aghamohammadi, M R, Hashemi, S, Ghazizadeh, M S

“…Voltage instability is a major threat for security of power systems. Preserving voltage security margin at a certain limit is a vital requirement for today's…”
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Small Signal Stability Constrained Rescheduling Using Sensitivities Analysis by Neural Network as a Preventive Tool by Aghamohammadi, M R, Khormizi, A Beik

“…Small signal stability that appears as low frequency oscillations play an important role when increasing power transfer in interconnected power systems. In…”
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Effect of Generator Parameters Inaccuracy on Transient Stability Performance by Aghamohammadi, M R, Beik Khormizi, A, Rezaee, M

“…In this paper the effect of generator parameters inaccuracy on the transient stability performance of generator and power system is investigated. Generator…”
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Development and implementation of neural network observers to estimate synchronous generators’ dynamic parameters using on-line operating data by Shariati, O., Mohd Zin, A. A., Khairuddin, A., Aghamohammadi, M. R.

“…This paper illustrates a new application of artificial neural network (ANN) observers in identifying and estimating synchronous generator dynamic parameters…”
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Static Security Constrained Generation Scheduling Using Sensitivity Characteristics of Neural Network by M. R. Aghamohammadi

“…This paper proposes a novel approach for generation scheduling using sensitivitycharacteristic of a Security Analyzer Neural Network (SANN) for improving…”
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A Novel Index for Online Voltage Stability Assessment Based on Correlation Characteristic of Voltage Profiles by M. R. Aghamohammadi, S. Hashemi, M. S. Ghazizadeh

“…Voltage instability is a major threat for security of power systems. Preserving voltage security margin at a certain limit is a vital requirement for today’s…”
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