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Mr. Roozbeh Torkzadeh
Esfahan Regional Electric Company

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Research Keywords & Expertise

0 Power Quality
0 Smart Grid
0 Power System Planning
0 Power system monitoring and control
0 Wide Area Measurement Systems

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Journal article
Published: 01 June 2020 in Renewable Energy and Power Quality Journal
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ACS Style

Roozbeh Torkzadeh; R. L. E. Peters; V. Cuk; J.B.M. Van Waes; J. F. G. Cobben; TenneT TSO B.V. The Netherlands. Step-wise Approach to Investigate the Impact of Energy Transition on Voltage Dips in Dutch Electricity Grid. Renewable Energy and Power Quality Journal 2020, 18, 574 -578.

AMA Style

Roozbeh Torkzadeh, R. L. E. Peters, V. Cuk, J.B.M. Van Waes, J. F. G. Cobben, TenneT TSO B.V. The Netherlands. Step-wise Approach to Investigate the Impact of Energy Transition on Voltage Dips in Dutch Electricity Grid. Renewable Energy and Power Quality Journal. 2020; 18 ():574-578.

Chicago/Turabian Style

Roozbeh Torkzadeh; R. L. E. Peters; V. Cuk; J.B.M. Van Waes; J. F. G. Cobben; TenneT TSO B.V. The Netherlands. 2020. "Step-wise Approach to Investigate the Impact of Energy Transition on Voltage Dips in Dutch Electricity Grid." Renewable Energy and Power Quality Journal 18, no. : 574-578.

Conference paper
Published: 01 June 2020 in 2020 IEEE 29th International Symposium on Industrial Electronics (ISIE)
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The imminent transformation of the power grid with the large inclusion of renewable resources is bringing new challenges to face on. These challenges include an inertia diminution causing drastic changes in the frequency response. This paper analyses the impact of the gradual synthetic inertial control inclusion in the Nordic system as a possible remedial action to contribute in the primary frequency response. Additionally, it proposes slightly changes in the typical synthetic inertial controller to not only reduce the nadir but in the overshoot. Furthermore, the effect of proportional wind power curtailment in improvement of primary frequency response is assessed. Finally, several scenarios for the inertial controller and adjustments are tested in the Nordic 32 test system.

ACS Style

Harold R. Chamorro; Roozbeh Torkzadeh; Mojtaba Eliassi; Pedro Betancourt-Paulino; Michel Rezkalla; Francisco Gonzalez-Longatt; Vijay K. Sood; Wilmar Martinez. Analysis of the Gradual Synthetic Inertia Control on Low-Inertia Power Systems. 2020 IEEE 29th International Symposium on Industrial Electronics (ISIE) 2020, 816 -820.

AMA Style

Harold R. Chamorro, Roozbeh Torkzadeh, Mojtaba Eliassi, Pedro Betancourt-Paulino, Michel Rezkalla, Francisco Gonzalez-Longatt, Vijay K. Sood, Wilmar Martinez. Analysis of the Gradual Synthetic Inertia Control on Low-Inertia Power Systems. 2020 IEEE 29th International Symposium on Industrial Electronics (ISIE). 2020; ():816-820.

Chicago/Turabian Style

Harold R. Chamorro; Roozbeh Torkzadeh; Mojtaba Eliassi; Pedro Betancourt-Paulino; Michel Rezkalla; Francisco Gonzalez-Longatt; Vijay K. Sood; Wilmar Martinez. 2020. "Analysis of the Gradual Synthetic Inertia Control on Low-Inertia Power Systems." 2020 IEEE 29th International Symposium on Industrial Electronics (ISIE) , no. : 816-820.

Conference paper
Published: 15 January 2020 in Lecture Notes in Electrical Engineering
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Energy Storage Systems installed at primary substations can be used by different participants of the power system for handling the emerging uncertainties caused by supply-side variations, demand-side flexibility and grid topology changes. This work presents a practical design for the monitoring system of the controller of the grid interactive energy storage system. This monitoring scheme takes advantage of synchrophasor measurements gathered by phasor measurement units of wide area measurement systems. The analysis of synchrophasor measurements provides real-time situational awareness over the status of the grid. Therefore, the integration of synchrophasor measurements into the control loop of GI-ESS will enable them to participate in power services of the flexibility market. Furthermore, the implementation of a basic power oscillation damping function as an example of power services using the proposed monitoring system is illustrated in this paper.

ACS Style

Roozbeh Torkzadeh; Mojtaba Eliassi; Peyman Mazidi; Pedro Rodriguez; Dalibor Brnobić; Konstantinos F. Krommydas; Akylas C. Stratigakos; Christos Dikeakos; Michalis Michael; Rogiros Tapakis; Vasiliki Vita; Elias Zafiropoulos; Ricardo Pastor; George Boultadakis. Synchrophasor Based Monitoring System for Grid Interactive Energy Storage System Control. Lecture Notes in Electrical Engineering 2020, 95 -106.

AMA Style

Roozbeh Torkzadeh, Mojtaba Eliassi, Peyman Mazidi, Pedro Rodriguez, Dalibor Brnobić, Konstantinos F. Krommydas, Akylas C. Stratigakos, Christos Dikeakos, Michalis Michael, Rogiros Tapakis, Vasiliki Vita, Elias Zafiropoulos, Ricardo Pastor, George Boultadakis. Synchrophasor Based Monitoring System for Grid Interactive Energy Storage System Control. Lecture Notes in Electrical Engineering. 2020; ():95-106.

Chicago/Turabian Style

Roozbeh Torkzadeh; Mojtaba Eliassi; Peyman Mazidi; Pedro Rodriguez; Dalibor Brnobić; Konstantinos F. Krommydas; Akylas C. Stratigakos; Christos Dikeakos; Michalis Michael; Rogiros Tapakis; Vasiliki Vita; Elias Zafiropoulos; Ricardo Pastor; George Boultadakis. 2020. "Synchrophasor Based Monitoring System for Grid Interactive Energy Storage System Control." Lecture Notes in Electrical Engineering , no. : 95-106.

Conference paper
Published: 01 September 2019 in 2019 IEEE PES Innovative Smart Grid Technologies Europe (ISGT-Europe)
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Hybrid HVDC links incorporate both Line Commutated Converters (LCC) and Voltage Source Converters (VSC) systems, thereby gathering the benefits of both technologies. Supplementary Power Oscillation Damping (POD) controllers can be added to both LCCs and VSCs to help enhance the power system stability against disturbances, such as short circuits. However POD controller tuning can be a delicate process, due to the highly non-linear and complex nature of the involved power system, which might induce adverse interactions leading to a reduced damping. This paper proposes the application of the Simulated Annealing Algorithm (SAA) for tuning the POD controllers parameters, with the purpose of optimizing the performance of POD controllers in the power system. The damping performance is evaluated in case of multiple disturbances in a test power system. The results show the ability of the proposed technique to enhance the performance of the POD controllers under various operating conditions.

ACS Style

Harold R. Chamorro; Roozbeh Torkzadeh; Omar Kotb; Kumars Rouzbehi; Juan Manuel Escaño; Francisco Gonzalez-Longatt; Oriol Gomis Bellmunt; Lucian Toma; Vijay K. Sood. On the Optimization of Damping Enhancement in a Power System with a Hybrid HVDC Link. 2019 IEEE PES Innovative Smart Grid Technologies Europe (ISGT-Europe) 2019, 1 -5.

AMA Style

Harold R. Chamorro, Roozbeh Torkzadeh, Omar Kotb, Kumars Rouzbehi, Juan Manuel Escaño, Francisco Gonzalez-Longatt, Oriol Gomis Bellmunt, Lucian Toma, Vijay K. Sood. On the Optimization of Damping Enhancement in a Power System with a Hybrid HVDC Link. 2019 IEEE PES Innovative Smart Grid Technologies Europe (ISGT-Europe). 2019; ():1-5.

Chicago/Turabian Style

Harold R. Chamorro; Roozbeh Torkzadeh; Omar Kotb; Kumars Rouzbehi; Juan Manuel Escaño; Francisco Gonzalez-Longatt; Oriol Gomis Bellmunt; Lucian Toma; Vijay K. Sood. 2019. "On the Optimization of Damping Enhancement in a Power System with a Hybrid HVDC Link." 2019 IEEE PES Innovative Smart Grid Technologies Europe (ISGT-Europe) , no. : 1-5.

Conference paper
Published: 01 September 2019 in 2019 IEEE PES Innovative Smart Grid Technologies Europe (ISGT-Europe)
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The integration of Grid Interactive Battery Energy Storage Systems (GI-BESSs) in energy services, such as peak shaving and load balancing, is a common practice in the modern-day electric power system. However, it is essential to ensure their economic feasibility, such as through their incorporation in Power Oscillation Damping (POD). This paper proposes an optimized control algorithm for a GI-BESS to mitigate low-frequency oscillations by utilizing synchrophasor measurements gathered by the Wide Area Measurement System (WAMS). The proposed algorithm enables the GI-BESS to mitigate inter-area active power oscillation by altering the exchange of reactive power between the grid and the GI-BESS. Thus, by using the proposed algorithm, the GI-BESS can provide power and energy services, simultaneously. Moreover, the effects of this controller on State of Charge (SoC) and dispatched power are assessed. The algorithm is tested on an IEEE 39-bus system and demonstrates that the proposed algorithm improves the damping of inter-area oscillations.

ACS Style

Roozbeh Torkzadeh; Harold R. Chamorro; Rebecca Rye; Mojtaba Eliassi; Lucian Toma; Francisco Gonzalez-Longatt. Reactive Power Control of Grid Interactive Battery Energy Storage System for WADC. 2019 IEEE PES Innovative Smart Grid Technologies Europe (ISGT-Europe) 2019, 1 -5.

AMA Style

Roozbeh Torkzadeh, Harold R. Chamorro, Rebecca Rye, Mojtaba Eliassi, Lucian Toma, Francisco Gonzalez-Longatt. Reactive Power Control of Grid Interactive Battery Energy Storage System for WADC. 2019 IEEE PES Innovative Smart Grid Technologies Europe (ISGT-Europe). 2019; ():1-5.

Chicago/Turabian Style

Roozbeh Torkzadeh; Harold R. Chamorro; Rebecca Rye; Mojtaba Eliassi; Lucian Toma; Francisco Gonzalez-Longatt. 2019. "Reactive Power Control of Grid Interactive Battery Energy Storage System for WADC." 2019 IEEE PES Innovative Smart Grid Technologies Europe (ISGT-Europe) , no. : 1-5.

Research article
Published: 11 July 2019 in IET Generation, Transmission & Distribution
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Development of phasor measurement units (PMUs) and wide-area measurement systems in power systems has enabled transmission system operators to monitor and assess the performance of their grids in real-time. In this study, a new practical method is proposed and prototyped for real-time monitoring of transient and short-term voltage stability using synchrophasor data obtained from PMUs. In the previous related studies, methods for detecting rotor angle and voltage instabilities were presented regardless of how they can be implemented and exploited in real settings. In this study, the authors present a framework considering practical concerns, such as noise of measurements and software requirements. The well-known Lyapunov exponent (LE) concept is used in the heart of the authors’ methodology. Their methodology uses time-series data obtained from PMUs for calculating LEs, and by averaging the latest data packages received in the control centre, the performance of their framework is significantly improved under noisy measurements. As the framework is mission-critical, they considered a suitable architecture merged with a flexible human–computer interaction with the goals of increasing security, reliability, resilience, robustness, and efficiency. Simulation results demonstrate the capability of their framework in fast and accurate assessment of short-term stability using the IEEE 9-bus and 69-bus test systems.

ACS Style

Arash Safavizadeh; Meysam Kordi; Fariborz Eghtedarnia; Roozbeh Torkzadeh; Hesamoddin Marzooghi. Framework for real‐time short‐term stability assessment of power systems using PMU measurements. IET Generation, Transmission & Distribution 2019, 13, 3433 -3442.

AMA Style

Arash Safavizadeh, Meysam Kordi, Fariborz Eghtedarnia, Roozbeh Torkzadeh, Hesamoddin Marzooghi. Framework for real‐time short‐term stability assessment of power systems using PMU measurements. IET Generation, Transmission & Distribution. 2019; 13 (15):3433-3442.

Chicago/Turabian Style

Arash Safavizadeh; Meysam Kordi; Fariborz Eghtedarnia; Roozbeh Torkzadeh; Hesamoddin Marzooghi. 2019. "Framework for real‐time short‐term stability assessment of power systems using PMU measurements." IET Generation, Transmission & Distribution 13, no. 15: 3433-3442.

Journal article
Published: 02 April 2019 in Energies
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Intrinsic mode functions (IMFs) provide an intuitive representation of the oscillatory modes and are mainly calculated using Hilbert–Huang transform (HHT) methods. Those methods, however, suffer from the end effects, mode-mixing and Gibbs phenomena since they use an iterative procedure. This paper proposes an augmented Prony method for power system oscillation analysis using synchrophasor data obtained from a wide-area measurement system (WAMS). In the proposed method, in addition to the estimation of the modal information, IMFs are extracted using a new explicit mathematical formulation. Further, an indicator based on an energy and phase relationship of IMFs is proposed, which allows system operators to recognize the most effective generators/actuators on specific modes. The method is employed as an online oscillation-monitoring framework providing inputs for the so-called wide-area damping control (WADC) module. The efficacy of the proposed method is validated using three test cases, in which the IMFs calculation is simpler and more accurate if compared with other methods.

ACS Style

Moossa Khodadadi Arpanahi; Meysam Kordi; Roozbeh Torkzadeh; Hassan Haes Alhelou; Pierluigi Siano. An Augmented Prony Method for Power System Oscillation Analysis Using Synchrophasor Data. Energies 2019, 12, 1267 .

AMA Style

Moossa Khodadadi Arpanahi, Meysam Kordi, Roozbeh Torkzadeh, Hassan Haes Alhelou, Pierluigi Siano. An Augmented Prony Method for Power System Oscillation Analysis Using Synchrophasor Data. Energies. 2019; 12 (7):1267.

Chicago/Turabian Style

Moossa Khodadadi Arpanahi; Meysam Kordi; Roozbeh Torkzadeh; Hassan Haes Alhelou; Pierluigi Siano. 2019. "An Augmented Prony Method for Power System Oscillation Analysis Using Synchrophasor Data." Energies 12, no. 7: 1267.

Conference paper
Published: 01 October 2018 in 2018 7th International Conference on Renewable Energy Research and Applications (ICRERA)
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Energy Storage Systems (ESSs) installed at primary substations can be used by different participants of power system for handling the emerging uncertainties caused by supply-side variations, demand-side flexibility and grid topology changes. This work presents practical designs for the monitoring system of Grid Interactive ESS (GI-ESS) controller by taking the advantages of synchrophasor measurements technologies. This integration provides GI-ESS controller with real-time situational awareness over the gird status, thus, GI-ESS can participate as a grid support in various cases such as enhancement of voltage and rotor-angle stability, congestion management and island restoration. Furthermore, the achieved wide area situational awareness can simultaneously offer additional revenue streams for ESS utilization by enabling them to provide different power services in the flexibility market. This work also considers various monitoring systems including wide area measurement system, SCADA and substation monitoring system for the proposed GI-ESS control schemes. Finally, assessments for each of the alternatives is presented regarding their offered added values, reliability, implementation challenges and cost.

ACS Style

Roozbeh Torkzadeh; Mojtaba Eliassi; Peyman Mazidi; Pedro Rodriguez. Synchrophasor Measurements for Control of Grid Interactive Energy Storage System Design alternatives for monitoring system. 2018 7th International Conference on Renewable Energy Research and Applications (ICRERA) 2018, 1055 -1060.

AMA Style

Roozbeh Torkzadeh, Mojtaba Eliassi, Peyman Mazidi, Pedro Rodriguez. Synchrophasor Measurements for Control of Grid Interactive Energy Storage System Design alternatives for monitoring system. 2018 7th International Conference on Renewable Energy Research and Applications (ICRERA). 2018; ():1055-1060.

Chicago/Turabian Style

Roozbeh Torkzadeh; Mojtaba Eliassi; Peyman Mazidi; Pedro Rodriguez. 2018. "Synchrophasor Measurements for Control of Grid Interactive Energy Storage System Design alternatives for monitoring system." 2018 7th International Conference on Renewable Energy Research and Applications (ICRERA) , no. : 1055-1060.

Conference paper
Published: 01 October 2018 in 2018 7th International Conference on Renewable Energy Research and Applications (ICRERA)
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The existing UFLS schemes suggested for conventional power systems need to be reassessed in the presence of renewable energy sources and storage systems equipped with grid-supporting convertors. A new Event-Based Under-Frequency Inertia Emulation (EB-UFIE) plan is proposed in this paper as a substitute of traditional UFLS program to protect the system against the risk of generation trip and subsequent blackout. Trajectory sensitivities are used as a popular technique to predict the future behavior of the system through a mixed integer programming optimization problem. The proposed scheme has been tested on the modified New England 39-bus system including renewables and storages.

ACS Style

Mojtaba Eliassi; Pedro A. Betancourt Paulino; Roozbeh Torkzadeh; Pedro Rodriguez. Event-Based Under-Frequency Inertia Emulation Scheme for Severe Conditions. 2018 7th International Conference on Renewable Energy Research and Applications (ICRERA) 2018, 1068 -1073.

AMA Style

Mojtaba Eliassi, Pedro A. Betancourt Paulino, Roozbeh Torkzadeh, Pedro Rodriguez. Event-Based Under-Frequency Inertia Emulation Scheme for Severe Conditions. 2018 7th International Conference on Renewable Energy Research and Applications (ICRERA). 2018; ():1068-1073.

Chicago/Turabian Style

Mojtaba Eliassi; Pedro A. Betancourt Paulino; Roozbeh Torkzadeh; Pedro Rodriguez. 2018. "Event-Based Under-Frequency Inertia Emulation Scheme for Severe Conditions." 2018 7th International Conference on Renewable Energy Research and Applications (ICRERA) , no. : 1068-1073.

Research article
Published: 27 April 2018 in IET Generation, Transmission & Distribution
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In this study, first, it is shown that the least-squares (LS) algorithm outperforms well known methods such as extended Kalman filter and unscented Kalman filter for synchronous generator (SG) parameters estimation using phasor measurement unit (PMU) data. However, as the LS algorithm may estimate the SG parameters inaccurately if the initial values of SG model state variables are not valid, a modified LS (MLS) algorithm, which estimates the initial values of SG model state variables alongside SG parameters, is proposed. In addition to parameters estimation of an SG classical model, the performance of this algorithm in the estimation of whole electromagnetic parameters and rotor inertia constant of an SG full-order model is evaluated. Note that conventionally, measurements of generators rotor angles were used to estimate SGs full-order model parameters; nevertheless, in the proposed MLS algorithm, online SG parameters estimation is accomplished using PMU data without relying on rotor angle measurement that is difficult to be obtained in practise. Simulation results demonstrate the effectiveness of the proposed algorithm in SG parameters estimation for various disturbances and noisy measurements. Furthermore, the effect of mechanical torque signal unavailability on the proposed algorithm capability is studied, where the efficacy of this algorithm is proven.

ACS Style

Babak Ahmadzadeh‐Shooshtari; Roozbeh Torkzadeh; Meysam Kordi; Hesamoddin Marzooghi; Fariborz Eghtedarnia. SG parameters estimation based on synchrophasor data. IET Generation, Transmission & Distribution 2018, 12, 2958 -2967.

AMA Style

Babak Ahmadzadeh‐Shooshtari, Roozbeh Torkzadeh, Meysam Kordi, Hesamoddin Marzooghi, Fariborz Eghtedarnia. SG parameters estimation based on synchrophasor data. IET Generation, Transmission & Distribution. 2018; 12 (12):2958-2967.

Chicago/Turabian Style

Babak Ahmadzadeh‐Shooshtari; Roozbeh Torkzadeh; Meysam Kordi; Hesamoddin Marzooghi; Fariborz Eghtedarnia. 2018. "SG parameters estimation based on synchrophasor data." IET Generation, Transmission & Distribution 12, no. 12: 2958-2967.

Journal article
Published: 01 December 2017 in Energy Procedia
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In this paper, a new multi-agent distributed neural network based islanding detection algorithm is presented. The proposed algorithm is placed in the designed wide area monitoring, control, and protection system (WAMPAC) as one of its applications. Therefore, firstly, the proposed WAMPAC structure and its main parts including WAMS, WACS and WAPS are highlighted that are designed to have a situational awareness to perform both of control and protection actions. To have fast and accurate responses at different contingencies such as WAMS equipment failures or data transmission latency, the multi-agent concept, and neural network algorithm are used at some of the WAMPAC control and protection applications. To show the effectiveness of the designed algorithms, the islanding detection application and its algorithms are described in detail. The proposed method is applied to the IEEE-118 bus power system and its performance is demonstrated at various disturbances. It is shown that the islanding necessity is predicted correctly that helps to perform corrective actions such as controlled islanding execution to avoid wide area blackout. In addition, the algorithm response is increased significantly that contributes to overcome the possible drawbacks of WAMS in large interconnected power systems.

ACS Style

Ghader Isazadeh; Meysam Kordi; Fariborz Eghtedarnia; Roozbeh Torkzadeh. A New Wide Area Intelligent Multi-agent Islanding Detection Method for Implementation in Designed WAMPAC Structure. Energy Procedia 2017, 141, 443 -453.

AMA Style

Ghader Isazadeh, Meysam Kordi, Fariborz Eghtedarnia, Roozbeh Torkzadeh. A New Wide Area Intelligent Multi-agent Islanding Detection Method for Implementation in Designed WAMPAC Structure. Energy Procedia. 2017; 141 ():443-453.

Chicago/Turabian Style

Ghader Isazadeh; Meysam Kordi; Fariborz Eghtedarnia; Roozbeh Torkzadeh. 2017. "A New Wide Area Intelligent Multi-agent Islanding Detection Method for Implementation in Designed WAMPAC Structure." Energy Procedia 141, no. : 443-453.

Conference paper
Published: 01 May 2014 in 2014 19th Conference on Electrical Power Distribution Networks (EPDC)
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An accurate medium term load forecast (MTLF) is essential for expansion planning studies of distribution systems. Also the mid-term electric load as a function of time has a complex nonlinear behavior which makes the ordinary linear prediction methods seems insufficient. In this paper, a combination of multi linear regression and principle components analysis is used to predict weekly electrical peak load of Yazd city distribution system. According to the prediction results, main benefits of proposed method are simplicity of calculations and high accuracy forecasting for multi-horizon predictions. MATLAB© is used to implement the forecaster model.

ACS Style

Roozbeh Torkzadeh; Ahmad Mirzaei; Mohammad Mehdi Mirjalili; Alireza Sedighi Anaraki; Mohammad Reza Sehhati; Farideh Behdad. Medium term load forecasting in distribution systems based on multi linear regression & principal component analysis: A novel approach. 2014 19th Conference on Electrical Power Distribution Networks (EPDC) 2014, 66 -70.

AMA Style

Roozbeh Torkzadeh, Ahmad Mirzaei, Mohammad Mehdi Mirjalili, Alireza Sedighi Anaraki, Mohammad Reza Sehhati, Farideh Behdad. Medium term load forecasting in distribution systems based on multi linear regression & principal component analysis: A novel approach. 2014 19th Conference on Electrical Power Distribution Networks (EPDC). 2014; ():66-70.

Chicago/Turabian Style

Roozbeh Torkzadeh; Ahmad Mirzaei; Mohammad Mehdi Mirjalili; Alireza Sedighi Anaraki; Mohammad Reza Sehhati; Farideh Behdad. 2014. "Medium term load forecasting in distribution systems based on multi linear regression & principal component analysis: A novel approach." 2014 19th Conference on Electrical Power Distribution Networks (EPDC) , no. : 66-70.

Conference paper
Published: 01 May 2014 in 2014 22nd Iranian Conference on Electrical Engineering (ICEE)
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Due to the lack of damping torque, power system disturbances such as step changes in input mechanical power, may lead to Low Frequency Oscillations (LFO). Power System Stabilizer (PSS) is a solution that has been used for many years in order to mitigate these oscillations. Flexible AC Transmission Systems (FACTs) is another solution for this problem. Among the FACTs devices, Unified Power Flow Controller (UPFC) has an excellent ability to control power flow, reduce sub-synchronous resonance, and increase transient and dynamic stability and therefore, may be used instead of PSS. In this paper, a Genetic Algorithm Optimized Fuzzy Logic Controller (GA-FLC) is used to control UPFC for damping low frequency oscillations. This study is applied to a single-machine infinite-bus (SMIB) PhillipsHeffron model by using MATLAB ® / Simulink ® software. Simulation results explicitly show that the performance of the proposed GA-FLC Based UPFC is better than using PSS and a PI controlled UPFC in terms of damping LFO.

ACS Style

Roozbeh Torkzadeh; Hooman Nasr Azadani; Aliakbar Damaki Aliabad. A genetic algorithm optimized fuzzy logic controller for UPFC in order to damp of low frequency oscillations in power systems. 2014 22nd Iranian Conference on Electrical Engineering (ICEE) 2014, 706 -712.

AMA Style

Roozbeh Torkzadeh, Hooman Nasr Azadani, Aliakbar Damaki Aliabad. A genetic algorithm optimized fuzzy logic controller for UPFC in order to damp of low frequency oscillations in power systems. 2014 22nd Iranian Conference on Electrical Engineering (ICEE). 2014; ():706-712.

Chicago/Turabian Style

Roozbeh Torkzadeh; Hooman Nasr Azadani; Aliakbar Damaki Aliabad. 2014. "A genetic algorithm optimized fuzzy logic controller for UPFC in order to damp of low frequency oscillations in power systems." 2014 22nd Iranian Conference on Electrical Engineering (ICEE) , no. : 706-712.

Conference paper
Published: 01 August 2013 in 2013 13th Iranian Conference on Fuzzy Systems (IFSC)
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Load Frequency Control (LFC) in power systems is very important in order to supply reliable electric power with good quality. The investigated power system comprises of two non-reheat type thermal units of same capacity in two areas. This paper proposes a new optimization approach of a fuzzy logic based-PID (FLPID) controller by the Genetic Algorithm (GA) for LFC. The GA is applied to simultaneously tune PID gains and scale factors of Fuzzy Logic controller to minimize frequency deviations of the system against load disturbances. The dynamic response of the load frequency control problem are studied using MATLAB ® / Simulink ® software in the three different scenarios also the proposed FLPID is compared with Bacterial Foraging Optimization Algorithm (BFOA-PID) and Gravitational Search Algorithm (GSA-PID). Simulation results explicitly show that the performance of the proposed optimum FLPID controller is superior to the BFOA-PID controller and the GSA-PID controller in terms of the overshoot, settling time and robustness against load disturbances.

ACS Style

Hooman Nasr Azadani; Roozbeh Torkzadeh. Design of GA optimized fuzzy logic-based PID controller for the two area non-reheat thermal power system. 2013 13th Iranian Conference on Fuzzy Systems (IFSC) 2013, 1 -6.

AMA Style

Hooman Nasr Azadani, Roozbeh Torkzadeh. Design of GA optimized fuzzy logic-based PID controller for the two area non-reheat thermal power system. 2013 13th Iranian Conference on Fuzzy Systems (IFSC). 2013; ():1-6.

Chicago/Turabian Style

Hooman Nasr Azadani; Roozbeh Torkzadeh. 2013. "Design of GA optimized fuzzy logic-based PID controller for the two area non-reheat thermal power system." 2013 13th Iranian Conference on Fuzzy Systems (IFSC) , no. : 1-6.