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Journal articles on the topic 'Interconnected power system'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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1

Gurrala, Gurunath, and Indraneel Sen. "Power System Stabilizers Design for Interconnected Power Systems." IEEE Transactions on Power Systems 25, no. 2 (May 2010): 1042–51. http://dx.doi.org/10.1109/tpwrs.2009.2036778.

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2

KAI, TAKAAKI. "Wind-turbines Interconnected to Power System and Power Quality." Journal of the Institute of Electrical Engineers of Japan 124, no. 1 (2004): 27–31. http://dx.doi.org/10.1541/ieejjournal.124.27.

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3

Naihu Li, Yan Xu, and Heng Chen. "FACTS-based power flow control in interconnected power system." IEEE Transactions on Power Systems 15, no. 1 (2000): 257–62. http://dx.doi.org/10.1109/59.852130.

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4

Lee, J. Β. "Power System State Estimation Including Interconnected AC/DC Systems." IFAC Proceedings Volumes 22, no. 9 (August 1989): 365–69. http://dx.doi.org/10.1016/s1474-6670(17)53297-8.

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5

Carullo, S. P., R. Bolkus, J. Hartle, J. Foy, C. O. Nwankpa, R. Fischl, and J. Gillerman. "Interconnected power system laboratory: fault analysis experiment." IEEE Transactions on Power Systems 11, no. 4 (1996): 1913–19. http://dx.doi.org/10.1109/59.544663.

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6

Yan, Wenxu, Lina Sheng, Dezhi Xu, Weilin Yang, and Qian Liu. "H∞ Robust Load Frequency Control for Multi-Area Interconnected Power System with Hybrid Energy Storage System." Applied Sciences 8, no. 10 (September 27, 2018): 1748. http://dx.doi.org/10.3390/app8101748.

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To enhance the quality of output power from regional interconnected power grid and strengthen the stability of overall system, a hybrid energy storage system (HESS) is applied to traditional multi-area interconnected power system to improve the performance of load frequency control. A novel topology structure of interconnected power system with the HESS is proposed. Considering the external disturbances of the system and the interconnected factors between each control area, the dynamic mathematical model of each area in the new topology is established in the form of state-space equation. Combining the state feedback robust control theory with linear matrix inequality (LMI) theory, the controller is designed to calculate how much power the HESS should provide to power grid in real time, according to the load change of system. Taking the four-area interconnected power system as study object, the simulation results obtained by MATLAB prove that the application of HESS can well improve the frequency stability of multi-area interconnected system and the H∞ robust controller proposed in this paper is effective.

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7

Wang, Xi, and Gang Chen. "Optimal Placement of DG Unit in Distribution System." Advanced Materials Research 1070-1072 (December 2014): 797–803. http://dx.doi.org/10.4028/www.scientific.net/amr.1070-1072.797.

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Interconnection of distributed generators (DG) has obvious impacts on line loss in distribution system and the effects depend on interconnected location, interconnected number and power injection of distributed generation. With discrete distribution model of constant power static load system accessing DG into consideration, establishes the line loss minimum as the objective function of the model and optimizes interconnected location, interconnected number and power injection of DG using a quantum inspired evolutionary algorithm. IEEE33 diffset results show that the application of the model and the quantum-inspired evolutionary algorithm can get reasonable DG interconnected location and power injection, effectively reduce the distribution system line loss.

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8

Soorya Priya, G., and P. Sivakumar. "Analysis of Automatic Generation Control for Three Area Renewable Energy Interconnected Power System." Journal of Computational and Theoretical Nanoscience 17, no. 4 (April 1, 2020): 1976–84. http://dx.doi.org/10.1166/jctn.2020.8476.

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In recent days renewable energy plays a vital role in the world electrical energy in the form of standalone and grid connected. Grid connected renewable energy power systems are widely preferred because the energy storage devices are not essential for this power system. Maintaining frequency in an interconnected power system plays a significant role in quality of power. Automatic generation control plays a crucial role in maintaining power quality in an interconnected power system. In this paper, automatic generation control is analyzed for grid connected Solar power system and wind power system are interconnected with the conventional hydro thermal power system. The proposed system is analyzed using Matlab.

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9

Asaduz-Zaman, Md, Md Habibur Rahaman, Md Selim Reza, and Md Mafizul Islam. "Coordinated Control of Interconnected Microgrid and Energy Storage System." International Journal of Electrical and Computer Engineering (IJECE) 8, no. 6 (December 1, 2018): 4781. http://dx.doi.org/10.11591/ijece.v8i6.pp4781-4789.

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Several microgrids can be interconnected together to enhance the grid reliability and reduce the cost of supplying power to an island area where conventional power grid cannot be connected. Source and load demand do not properly balance always. Besides that, sometimes power and frequency fluctuation has occurred in MG at island mode. Need to design a special control for maintaining the state of charge (SoC) of energy storage system. This paper proposes a new power supply system for an island area that interconnects two microgrids with a single energy storage system (ESS). An algorithm has been proposed that control the microgrids energy storage system for spinning reserve and load power/frequency regulation purpose. The minimum loading constraints of diesel engine generator (DEG) is considered and the SOC of the ESS is properly maintained.

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10

Carullo, S. P., and C. O. Nwankpa. "Interconnected Power Systems Laboratory: A Computer-Automated Instructional Facility for Power System Experiments." IEEE Power Engineering Review 22, no. 2 (2002): 59–60. http://dx.doi.org/10.1109/mper.2002.4311995.

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11

Carullo, S. P., and C. O. Nwankpa. "Interconnected power systems laboratory: a computer automated instructional facility for power system experiments." IEEE Transactions on Power Systems 17, no. 2 (May 2002): 215–22. http://dx.doi.org/10.1109/tpwrs.2002.1007884.

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12

Anwar, Juveria. "Mitigating Low Frequency Oscillations in Interconnected Power System." International Journal of Engineering Works 06, no. 09 (September 5, 2019): 275–79. http://dx.doi.org/10.34259/ijew.19.609275279.

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13

Yousef, Ali M., and Ahmed M. Kassem. "Optimal pole shifting controller for interconnected power system." Energy Conversion and Management 52, no. 5 (May 2011): 2227–34. http://dx.doi.org/10.1016/j.enconman.2010.12.022.

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14

Mahabuba, A. "Interconnected Simultaneous Tuning of Power System Stabilizers in a Multi machine Power System." International Journal of Advanced Engineering, Management and Science 3, no. 10 (2017): 1019–23. http://dx.doi.org/10.24001/ijaems.3.10.8.

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15

TAKEUCHI, Yoshiyuki. "Dynamic Characterization of Interconnected Power System as Nonholonom-Rheonomic System." Transactions of the Institute of Systems, Control and Information Engineers 3, no. 2 (1990): 65–67. http://dx.doi.org/10.5687/iscie.3.65.

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16

Kwon, Dong-Chul, Joong-Sin Park, and Dong-Young Yi. "Effect of the Interconnected Solar Power Generation System on the Power Quality of Power System." Journal of the Korean Institute of Illuminating and Electrical Installation Engineers 26, no. 7 (July 31, 2012): 52–58. http://dx.doi.org/10.5207/jieie.2012.26.7.052.

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17

Dey, Prasenjit, Aniruddha Bhattacharya, and Priyanath Das. "Tuning of power system stabilizer for small signal stability improvement of interconnected power system." Applied Computing and Informatics 16, no. 1/2 (December 29, 2017): 3–28. http://dx.doi.org/10.1016/j.aci.2017.12.004.

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This paper reports a new technique for achieving optimized design for power system stabilizers. In any large scale interconnected systems, disturbances of small magnitudes are very common and low frequency oscillations pose a major problem. Hence small signal stability analysis is very important for analyzing system stability and performance. Power System Stabilizers (PSS) are used in these large interconnected systems for damping out low-frequency oscillations by providing auxiliary control signals to the generator excitation input. In this paper, collective decision optimization (CDO) algorithm, a meta-heuristic approach based on the decision making approach of human beings, has been applied for the optimal design of PSS. PSS parameters are tuned for the objective function, involving eigenvalues and damping ratios of the lightly damped electromechanical modes over a wide range of operating conditions. Also, optimal locations for PSS placement have been derived. Comparative study of the results obtained using CDO with those of grey wolf optimizer (GWO), differential Evolution (DE), Whale Optimization Algorithm (WOA) and crow search algorithm (CSA) methods, established the robustness of the algorithm in designing PSS under different operating conditions.

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18

Athab, Falah Abodahir, and Wafaa Saeed Majeed. "Economic power dispatch for an interconnected power system based on reliability indices." Indonesian Journal of Electrical Engineering and Computer Science 20, no. 2 (November 1, 2020): 777. http://dx.doi.org/10.11591/ijeecs.v20.i2.pp777-787.

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Reliability indices are always one of the most important factors in the power systems. In this paper, the problem of the economic load dispatch (ELD) and the problem of economic emission load dispatch (CEELD) have been improved taking into account reliability indices. That is, the problem and reliability of ELD are proposed as combined economic load dispatch reliability (CELDR) and the problem CEELD is suggested as (CEELDR). In solving CELDR and CEELDR problems, tried to use power generators in a very reliable way to save system load, as well as minimum fuel and emission costs. In this effort, the ELD of power plants is successfully implemented in a single system containing 6 generating units, taking into account the reliability and emissions of the system with and without system power loss, inequality and inequality constraints, and valve point effects using the exchange market algorithm(EMA). The results suggest that reliability indicators in ELD can be used to create greater reliability in providing consumers with uninterrupted power.

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19

Jin, Xiao Ling, Xu Bo Ge, Ming Yin, and Shu Dong Jin. "Cross-Regional Power Grid and its Interconnected Benefit Analysis." Advanced Materials Research 354-355 (October 2011): 1117–21. http://dx.doi.org/10.4028/www.scientific.net/amr.354-355.1117.

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The regional discrepancies among various power systems are the preconditions for the integrated power system benefit. The national power grid has been formed initially. It provides the physical foundation for the benefit of integrated power system. Based on the analysis of resource distribution features of China and the generation structure features, the paper has reviewed the power grid development history and foreseen the development trends of the interconnected power system in China. The following integrated power system benefit has been analyzed: peak load regulation; hydro power and thermal power integration; cross-river basin adjustment; and scale merit, etc.

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20

Zhang, Dabo, Shuai Lian, Weiqing Tao, Jinsong Liu, and Chen Fang. "Operational Reliability Assessment of an Interconnected Power System Based on an Online Updating External Network Equivalent Model with Boundary PMU." Electronics 8, no. 1 (January 2, 2019): 49. http://dx.doi.org/10.3390/electronics8010049.

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Information between interconnected power systems is difficult to share in real time, due to trade secrets and technical limitations. The regional power grid cannot timely detect the impact of changes in the operation mode of the external power grid on the regional reliability, due to faults, load fluctuations, power generation plan adjustments, and other reasons. How to evaluate the reliability of a regional power system under the conditions of information isolation is a difficult problem for the security of interconnected power systems. Aiming at this problem, an operational reliability evaluation method for an interconnected power system is proposed herein, which does not depend on external network information directly, but only uses boundary phasor measurement unit (PMU) measurement data and internal network information. A static equivalent model with sensitivity consistency was used to simplify the external network to ensure the accuracy of the reliability calculation of interconnected power systems. The boundary PMU measurement data were used to update the external network equivalent model online. The algorithm flow of the operation reliability assessment for the interconnected power grid is given. The results of an example based on the IEEE-RTS-96 test system show that the proposed method can track the equivalent parameters of the external network without depending on the actual topological information, and calculate the reliability index of the internal network accurately.

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21

Abo-Elyousr, Farag K., Hossam S. Abbas, Ali M. Yousef, Nguyen Vu Quynh, Ziad M. Ali, and Muhammad Shahzad Nazir. "Oscillation Damping for Wind Energy Conversion System with Doubly Fed Induction Generator Association with Synchronous Generator." Energies 13, no. 19 (September 27, 2020): 5067. http://dx.doi.org/10.3390/en13195067.

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The main purpose of this paper is to enhance the operation of renewable wind energy conversion (WEC) systems connected to power systems. To achieve this, we consider a linear quadratic Gaussian (LQG) control approach for regulating the effects of a WEC system with doubly fed induction generator (DFIG) on the synchronous generator (SG) rotor speed of the interconnected power system. First, we present the mathematical formulation of the interconnected power system comprises a single synchronous generator and a wind turbine with DFIG connected to an infinite bus bar system through a transmission line. We consider that the system is operated under various loading conditions and parameters variation. Second, a frequency damping oscillation observer is designed via Kalman filtering together with an optimal linear quadratic regulator to mitigate the impacts of the WEC system on the SG rotor speed. The performance of the developed interconnected power system is simulated using a MATLAB/SIMULINK environment to verify the effectiveness of the developed controller. In comparison with previously reported results, the proposed approach can stabilize the interconnected power system within 1.28 s compared to 1.3 s without the DFIG.

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22

Conde-López, Luis, Guillermo Gutiérrez-Alcaraz, and S. N. Singh. "Generating adequacy analysis of Mexico’s national interconnected power system." International Journal of Energy Sector Management 10, no. 4 (November 7, 2016): 561–75. http://dx.doi.org/10.1108/ijesm-11-2014-0003.

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Purpose Long-term reliability analysis of generation capacity based on the forecasted load demand helps to identify the optimal generation expansion plan of the system. This paper analyzes the generation adequacy of Mexico’s National Interconnected Power System (MNIPS) using loss of load expectation (LOLE) and loss of energy expectation (LOEE) indices. Design/methodology/approach These indices are calculated through an analytical (recursive) method and are then compared with values recommended by the North American Electric Reliability Council (NERC). Weekly indices are computed to analyze the load curtailment options that may occur in some periods. Findings Forecasted values, including load and generation capacity considering maintenance schedules, additions of new generating units and permanently shut down units in accordance with the long-term expanding-system plan have been considered. The load forecast uncertainty is also included. Originality/value This is original work.

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23

EL-SEDAWI, I. R. M., P. D. ROBERTS, and M. GOPAL. "Multilevel optimization of a hydro-thermal interconnected power system." International Journal of Systems Science 20, no. 8 (August 1989): 1467–82. http://dx.doi.org/10.1080/00207728908910231.

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24

Hasan, Naimul, and Samiuddin Ahmad. "ABT Based Load Frequency Control of Interconnected Power System." Electric Power Components and Systems 44, no. 8 (April 8, 2016): 853–63. http://dx.doi.org/10.1080/15325008.2016.1138160.

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25

Surinkaew, Tossaporn, Rakibuzzaman Shah, Mithulananthan Nadarajah, and S. M. Muyeen. "Forced oscillation damping controller for an interconnected power system." IET Generation, Transmission & Distribution 14, no. 2 (January 31, 2020): 339–47. http://dx.doi.org/10.1049/iet-gtd.2019.1115.

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26

Maurya, Ajay Kumar, Dr G. K. Banerjee, and Dr Piush Kumar. "Design Fuzzy-PI Based Controller for Load Frequency Control of Thermal - Thermal Area Interconnected Power System." International Journal of Trend in Scientific Research and Development Volume-3, Issue-1 (December 31, 2018): 928–34. http://dx.doi.org/10.31142/ijtsrd19164.

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27

Tran, Anh-Tuan, Phong Thanh Tran, and Van Van Huynh. "Load Frequency Control for Power System using Generalized Extended State Observer." Journal of Advanced Engineering and Computation 5, no. 1 (March 31, 2021): 1. http://dx.doi.org/10.25073/jaec.202151.307.

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This study investigates load frequency control based generalized extended state observer (GESO) for interconnected power systems subject to multi-kind of the power plant. First, the mathematical model of the interconnected power system is proposed based on the dynamic model of thermal power plant with reheat turbine and hydropower plant. Second, the GESO is designed to estimate the system states and disturbances. In addition, the problem of unmeasurable system states in the interconnected power network due to lack of sensor has been solved by using the proposed load frequency control based GESO. The numerical experiments are carried out by using MATLAB/ SIMULINK simulation. The simulation results point out that the proposed control approach has the capacity to handle the uncertainties and disturbances in the interconnected power system with better transient performances in comparison with the existing control approach. The relevant dynamic models have already been used for the simulation of the physical constraints of the governor dead band (GDB) and generation rate constraint (GRC) effect in the power plants. It is evident that the robustness of the suggested controller in terms of stability and effectiveness of the system. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium provided the original work is properly cited.

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28

Imdadullah, Syed Muhammad Amrr, M. S. Jamil Asghar, Imtiaz Ashraf, and Mohammad Meraj. "A Comprehensive Review of Power Flow Controllers in Interconnected Power System Networks." IEEE Access 8 (2020): 18036–63. http://dx.doi.org/10.1109/access.2020.2968461.

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29

Weng, Yi Xuan, Chang Hong Deng, and Lei Chen. "An Optimal Automatic Generation Control Strategy for Interconnected Power Grid with Wind Power." Advanced Materials Research 860-863 (December 2013): 2017–22. http://dx.doi.org/10.4028/www.scientific.net/amr.860-863.2017.

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As the continuous increase of wind power installed capacity in modern grid, its inherent randomness and fluctuation may cause a series of problems to power system frequency control. Since the dynamic characteristics of traditional automatic generation control (AGC) based on PI control cannot fully and effectively meet the interconnected power grids requirements for load frequency control. In this paper, a strategy based optimal control theory is proposed, and a new dynamic cost function is also presented. Compared to the conventional PI control method, the proposed strategy has better dynamic adaptability to interconnected power system with wind generation, and the optimal coordination among control areas can be realized more easily. Take the two-area interconnected power system with wind power model as an example, the simulation is carried out based on MATLAB/SIMULINK. The simulation results show that the control strategy can obviously suppress the fluctuation of system frequency and tie-line power, and its effectiveness is confirmed.

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30

Yang, Minghui, Chunsheng Wang, Yukun Hu, Zijian Liu, Caixin Yan, and Shuhang He. "Load Frequency Control of Photovoltaic Generation-Integrated Multi-Area Interconnected Power Systems Based on Double Equivalent-Input-Disturbance Controllers." Energies 13, no. 22 (November 21, 2020): 6103. http://dx.doi.org/10.3390/en13226103.

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With the rapid increase of photovoltaic (PV) penetration and distributed grid access, photovoltaic generation (PVG)-integrated multi-area power systems may be disturbed by more uncertain factors, such as PVG, grid-tie inverter parameters, and resonance. These uncertain factors will exacerbate the frequency fluctuations of PVG integrated multi-area interconnected power systems. For such system, this paper proposes a load frequency control (LFC) strategy based on double equivalent-input-disturbance (EID) controllers. The PVG linear model and the multi-area interconnected power system linear model were established, respectively, and the disturbances were caused by grid voltage fluctuations in PVG subsystem and PV output power fluctuation and load change in multi-area interconnected power system. In PVG subsystems and multi-area interconnected power systems, two EID controllers add differently estimated equivalent system disturbances, which has the same effect as the actual disturbance, to the input channel to compensate for the impact of actual disturbances. The simulation results in MATLAB/Simulink show that the frequency deviation range of the proposed double EID method is 6% of FA-PI method and 7% of conventional PI method, respectively, when the grid voltage fluctuation and load disturbance exist. The double EID method can better compensate for the effects of external disturbances, suppress frequency fluctuations, and make the system more stable.

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31

Sharma, Deepesh, and Naresh Kumar Yadav. "Lion Algorithm with Levy Update: Load frequency controlling scheme for two-area interconnected multi-source power system." Transactions of the Institute of Measurement and Control 41, no. 14 (June 25, 2019): 4084–99. http://dx.doi.org/10.1177/0142331219848033.

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In an interconnected multi-area power system, Load Frequency Control (LFC) is a main challenging problem. This paper presents the Fractional Order Proportional Integral (FOPI) controller for an interconnected two-area power system, wherein each area has multi-source power systems. The gains of the proposed controller are being optimized by Lion Algorithm (LA), utilizing an integral square error (ISE) criterion, to develop the proposed Lion with Levy Update-based FOPI controller (LLUFOPI). The proposed LA schedules the gain of the LLUFOPI controller by achieving the least possible error. Hence, the LLUFOPI controller assures better LFC in the two-area interconnected power system. The performance of the proposed controller is assessed by considering the practical constraints in power system such as Generation Rate Constraints (GRC), communication delay, AC/DC link, step load variation and Capacitive Energy Storage (CES) device. Finally, the simulation results show that the LLUFOPI controller provides a well- optimized gain that is 89% higher than the other algorithms with better stability. The Integral Square Error (ISE) value of the proposed controller is 81.1% lesser than the other algorithms. Better LFC in the two-area multi-source-interconnected power system is hence achieved with minimum ISE.

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32

Ren, Fenghui, Minjie Zhang, Danny Soetanto, and XiaoDong Su. "Conceptual Design of A Multi-Agent System for Interconnected Power Systems Restoration." IEEE Transactions on Power Systems 27, no. 2 (May 2012): 732–40. http://dx.doi.org/10.1109/tpwrs.2011.2177866.

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33

Thaniyaphol, Arthit, and Itthisek Nilkhamhang. "Performance Evaluation and Impact Analysis of Distributed Generation on Radial Power Distribution System." Applied Mechanics and Materials 799-800 (October 2015): 1222–26. http://dx.doi.org/10.4028/www.scientific.net/amm.799-800.1222.

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This research focuses on evaluating and analyzing the behavior of smart grid power distribution system with multiple, interconnected distributed generations (DGs). This topic is especially relevant to Thailand, which employs a radial distribution topology and has insufficient use of energy storage system (ESS). Integration of DGs with distribution power systems is a necessity to achieve reliable and efficient performance. The characteristics of each category of DGs must be studied to improve the power system. The main task of the interconnected system is to control and maintain voltage of the power system in an acceptable range for high reliability, efficiency and quality. The proposed study consists of two critical objectives. Firstly, we will investigate the principle operation of DGs that uses renewable energy sources interconnected with the smart grid. The second and final goal is to evaluate and analyze the impact of DGs on the power distribution system. Power injection from DGs can reduce total power loss and improve system performance. In addition, the presence of DGs can increase the voltage level and robustness of the system more than traditional electrical network. However, high penetration of DGs may have an effect on voltage changes at the bus.

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34

Kyrylenko, O. V., V. V. Pavlovsky, А. О. Steliuk, O. V. Lenga, and M. V. Vyshnevsky. "SIMULATION OF THE NORMAL AND EMERGENCY OPERATION OF INTERCONNECTED POWER SYSTEM OF UKRAINE FOR FREQUENCY STABILITY STUDY." Tekhnichna Elektrodynamika 2017, no. 2 (March 15, 2017): 57–60. http://dx.doi.org/10.15407/techned2017.02.057.

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35

Vournas, C. D., and B. C. Papadias. "Power System Stabilization via Parameter Optimization???Application to the Hellenic Interconnected System." IEEE Power Engineering Review PER-7, no. 8 (August 1987): 39–40. http://dx.doi.org/10.1109/mper.1987.5527049.

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36

Kumar, Ashok, O. P. Malik, and G. S. Hope. "Variable-structure-system control applied to AGC of an interconnected power system." IEE Proceedings C Generation, Transmission and Distribution 132, no. 1 (1985): 23. http://dx.doi.org/10.1049/ip-c.1985.0005.

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Vournas, C. D., and B. C. Papadias. "Power System Stabilization via Parameter Optimization - Application to the Hellenic Interconnected System." IEEE Transactions on Power Systems 2, no. 3 (1987): 615–22. http://dx.doi.org/10.1109/tpwrs.1987.4335180.

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38

Yang, Shengchun, Chongxin Huang, Yijun Yu, Dong Yue, and Jun Xie. "Load Frequency Control of Interconnected Power System via Multi-Agent System Method." Electric Power Components and Systems 45, no. 8 (May 9, 2017): 839–51. http://dx.doi.org/10.1080/15325008.2015.1131764.

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39

Sabo, Aliyu, Noor Izzri Abdul Wahab, Mohammad Lutfi Othman, Mai Zurwatul Ahlam Mohd Jaffar, Hakan Acikgoz, and Hamzeh Beiranvand. "Application of Neuro-Fuzzy Controller to Replace SMIB and Interconnected Multi-Machine Power System Stabilizers." Sustainability 12, no. 22 (November 18, 2020): 9591. http://dx.doi.org/10.3390/su12229591.

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In this research, an effective application and performance assessment of the Neuro-Fuzzy Controller (NFC) damping controller is designed to replace a single machine infinite bus (SMIB) power system stabilizer (PSS), and coordinated multi PSSs in large interconnected power systems are presented. The limitation of the conventional PSSs on SMIB and interconnected multi-machine test power systems are exposed and disclosed by the proposed NFC stabilizer. The NFC is a nonlinear robust controller which does not require a mathematical model of the test power system to be controlled, unlike the conventional PSSs’ damping controller. The Proposed NFC is designed to improve the stability of SMIB, an interconnected IEEE 3-machine, 9-bus power system, and an interconnected two-area 10-machine system of 39-bus New England IEEE test power system under multiple operating conditions. The proposed NFC damping controller performance is compared with the conventional PSS damping controller to confirm the capability of the proposed stabilizer and realize an improved system stability enhancement. The conventional PSSs’ design problem is transformed into an optimization problem where an eigenvalue-based objective function is developed and applied to design the SMIB-PSS and the interconnected multi-machine PSSs. The time-domain phasor simulation was done in the SIMULINK domain, and the simulation results show that the transient responses of the system rise time, settling time, peak time, and peak magnitude were all impressively improved by an acceptable amount for all the test system with the proposed NFC stabilizer. Thus, the NFC was able to effectively control the LFOs and produce an enhanced performance compared to the conventional PSS damping controller. Similarly, the result validates the effectiveness of the proposed NFC damping controller for LFO control, which demonstrates more robustness and efficiency than the classical PSS damping controller. Therefore, the application and performance of the NFC has appeared as a promising method and can be considered as a remarkable method for the optimal design damping stabilizer for small and large power systems.

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40

Balachandar P, Ganesan S, Jayakumar N, and Subramanian S. "Multi-Fuel Power Dispatch in an Interconnected Power System using Ant Lion Optimizer." International Journal of Energy Optimization and Engineering 6, no. 3 (July 2017): 29–54. http://dx.doi.org/10.4018/ijeoe.2017070102.

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The electrical power generation from fossil fuel releases several contaminants into the air and this become excrescent if the generating unit is fed by Multiple Fuel Sources (MFS).The ever more stringent environmental regulations have forced the power producers to produce electricity not only at the cheapest price but also at the minimum level of pollutant emissions. Inclusion of this issue in the operational task is a welcome perspective. The cost effective and environmental responsive power system operations in the presence of MFS can be recognized as a multi-objective constrained optimization problem with conflicting operational objectives. The modern meta-heuristic algorithm namely, Ant Lion Optimizer (ALO) has been applied for the first time to obtain the feasible solution. The fuzzy decision-making mechanism has been integrated to determine the Best Compromise Solution (BCS) in the multi-objective framework. The intended algorithm is implemented on the standard test systems considering valve-point effects, CO2 emission and tie-line limits.

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41

Rtibi, Hosni, Salwa Elloumi, and Naceur Benhadj Braiek. "Development of a decentralized nonlinear controller for a class of uncertain polynomial interconnected systems: Application for a large scale power system." Transactions of the Institute of Measurement and Control 41, no. 8 (September 20, 2018): 2236–49. http://dx.doi.org/10.1177/0142331218796150.

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This paper presents a new robust decentralized control of nonlinear interconnected systems, which is applied and validated on a large scale power system. Our work is performed in three steps. Firstly, we have developed the polynomial description of the nonlinear uncertain and interconnected system using odd Kronecker power of state vectors, which is an easy-manipulation model for such complex systems. Then we applied Lyapunov’s direct method of stability analysis, associated with a quadratic function, in order to determine a sufficient condition for global asymptotic stability by applying a nonlinear, decentralized and optimal polynomial control. Finally, we carried out a simulation study on a nonlinear uncertain power system with three interconnected machines. We considered different cases of perturbations on its state variables as well as different cases of fault locations. We prove via advanced simulations, the effectiveness of the proposed control technique which is able to mitigate the successive amplitudes of the oscillations, to limit the control actions and to enhance the power system transient stability.

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42

García, Claudia Lorena, Jose Aquiles Baesso Grimoni, and Miguel Edgar Morales Udaeta. "Integrating Wind Power to the National Interconnected System in Brazil." International Journal of Electrical Energy 4, no. 1 (2016): 48–53. http://dx.doi.org/10.18178/ijoee.4.1.48-53.

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43

Chusovitin, Pavel V., Andrey V. Pazderin, Grigory S. Shabalin, and Valery A. Taschilin. "Low-Frequency Oscillations Identification in Interconnected Power System Using PMU." Advanced Materials Research 860-863 (December 2013): 2117–21. http://dx.doi.org/10.4028/www.scientific.net/amr.860-863.2117.

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This paper presents the result of identification of low-frequency oscillations in 9-bus test model of power system. The identification is achieved by novel technique developed by authors. The technique is described in detail in [1. It is based on treating synchronized phasor measurements. Applicability of identified state matrix for electromechanical oscillations monitoring is demonstrated in the paper.

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44

Wang, Wei, and Hiromitsu Ohmori. "Decentralized load frequency control for two-area interconnected power system." Control Theory and Technology 13, no. 2 (May 2015): 101–14. http://dx.doi.org/10.1007/s11768-015-4125-3.

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45

Ivanescu, D., A. F. Snyder, J. M. Dion, L. Dugard, D. Georges, and N. Hadjsaid. "Control of an Interconnected Power System: A Time Delay Approach." IFAC Proceedings Volumes 34, no. 13 (August 2001): 449–54. http://dx.doi.org/10.1016/s1474-6670(17)39032-8.

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Ivanescu, D. "Control of an interconnected power system: a time delay approach." IMA Journal of Mathematical Control and Information 19, no. 1 and 2 (March 1, 2002): 115–31. http://dx.doi.org/10.1093/imamci/19.1_and_2.115.

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An, Aimin, Jian Lin, Chi Cheng, and Wenpei Zhu. "Distributed Model Predictive Control for Two-area Interconnected Power System." IOP Conference Series: Earth and Environmental Science 186 (October 11, 2018): 012008. http://dx.doi.org/10.1088/1755-1315/186/4/012008.

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Ikhe, Atul. "Load Frequency Control for Interconnected Power System Using Different Controllers." Automation, Control and Intelligent Systems 1, no. 4 (2013): 85. http://dx.doi.org/10.11648/j.acis.20130104.11.

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El-Sayied, S., and H. Soliman. "PRACTICAL IMPLEMENTATION OF ll:AENTRALIZED STABILIZERS FOR AN INTERCONNECTED POWER SYSTEM." International Conference on Aerospace Sciences and Aviation Technology 1, CONFERENCE (May 1, 1985): 1–10. http://dx.doi.org/10.21608/asat.1985.26629.

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Lin, Wei, Zhifang Yang, and Juan Yu. "Flexibility of interconnected power system operation: Analysis, evaluation and prospection." Energy Conversion and Economics 1, no. 3 (October 27, 2020): 141–50. http://dx.doi.org/10.1049/enc2.12013.

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