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power quality enhancement in smart microgrid system using convolutional neural network integrated with interline power flow controller

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ELECTRICAL ENGINEERING 2024年第6期106卷 6773-6796页

作者： Srividhya, J. P. Prabha, K. E. Lakshmi Jaisiva, S. Rajan, C. Sakthi Gokul Arunai Engn Coll Dept Elect & Elect Engn Tiruvannamalai Tamil Nadu India KarpagaVinayaga Coll Engn & Technol Dept Elect & Elect Engn Chengalpattu Tamil Nadu India Sri Krishna Coll Technol Dept Elect & Elect Engn Coimbatore Tamil Nadu India

Owing to address the issue of sustainable growth, the incorporation of environmentally friendly energy sources with power generation systems is paramount due to the increasing popularity. The main challenge lies in mitigating the decay of power quality in electrical distribution systems, which arises from the utilization of nonlinear devices such as switching devices and power electronics converters. These nonlinearities adversely affect the system efficiency and result in reduction in power factor. The compensation of VAR results in improved power quality across the system resulting in stable operation of the grid network. This research proposes employing a novel artificial intelligence technique named as Convolutional Neural Network (CNN). The primary objective is to minimize the harmonics present in the waveforms, which can be effectively achieved by leveraging CNN algorithm. interline power flow controller (IPFC) strategy is implemented along with the AI techniques in this proposed system for significant enhancement of power quality during disturbances. This approach effectively addresses reactive power compensation and other current-related power quality issues, including harmonics. To demonstrate the effectiveness of proposed model, the simulation and analysis done on MATLAB environment and SIMULINK toolbox. The simulation results confirm the superior performance of the proposed CNN-based model, showcasing significantly reduced distortion in source current waveforms compared to ANN. This approach marks a promising advancement in sustainable power generation and grid stability, thereby promoting for a greener and more resilient power system.

关键词： power quality Microgrid Convolutional neural network interline power flow controller

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interline power flow controller Allocation for Active power Losses Enhancement Using Whale Optimization Algorithm

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ENERGIES 2024年第24期17卷 6318-6318页

作者： Alshannaq, Ahmed M. Haj-ahmed, Mohammed A. Aldwaik, Mais Abualnadi, Dia Univ Jordan Elect Engn Dept Amman 11942 Jordan Philadelphia Univ Civil Engn Dept Jarash 19392 Jordan

Transmission networks face continuous electrical and mechanical stresses due to increasing system challenges and power losses. Transmission networks require special focus and detailed studies each time a load or a generator emerges to the grid. The interline power flow controller (IPFC) is a relatively new scheme that is implemented in the transmission network to improve transmission efficiency, decrease transmission losses, and enhance voltage profile. In this paper, the interline power flow controller's impact on transmission network performance is investigated as it is implemented within the IEEE 5-bus, 14-bus, and IEEE 57-bus systems. In addition, the whale optimization algorithm (WOA) is used to optimize the interline power flow controller locations within the system to achieve optimal transmission system performance. WOA performance is also compared to genetic algorithm (GA) and particle swarm optimization (PSO) algorithms, and the superiority of the proposed WOA-based control is proved. The robustness of the optimized system against load variations is investigated and the results introduced affirm the capability of the interline power flow controller to enhance transmission network efficiency.

关键词： interline power flow controller transmission network whale optimization algorithm

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Novel load frequency control scheme for hybrid power systems employing interline power flow controller and redox flow battery

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ENERGY SOURCES PART A-RECOVERY UTILIZATION AND ENVIRONMENTAL EFFECTS 2021年第1期47卷 11787-11805页

作者： Mishra, Sonalika Prusty, Umesh Chandra Prusty, Ramesh Chandra Panda, Sidhartha VSSUT Dept Elect Engn Burla 768018 India

This article proposes a novel load frequency control (LFC) scheme for hybrid power systems (HPS) in the presence of interline power flow controller (IPFC) and redox flow battery (RFB). Due to the vagueness nature of solar energy and wind energy sources present in the HPS, the LFC problem is a critical task in HPS. For this study, a fuzzy proportional integral derivative (FPID) controller with hybrid salp swarm algorithm and pattern search algorithm (hSSA-PS) is used to optimize the controller parameter of the HPS system under random and stochastic environments. The usefulness of the proposed hSSA-PS algorithm is established over salp swarm algorithm (SSA), genetic algorithm (GA) and Particle swarm optimization (PSO) algorithms. The performance of the system under study is evaluated with/without the presence of IPFC and RFB. It is observed that system performance is improved with the presence of an IPFC controller and RFB. The robustness of the proposed controller is justified by conducting sensitivity analysis. It is noticed that in presence of the proposed FPID controller the reduction in ITAE/IAE/ISE values is 92.18%, 90.84 and 98.52% as compared to PID controller and 31.42%, 86.90% and 90% as compared to PID controller in the occurrence of IPFC and RFB under stochastic environment. The robustness of the proposed controller is justified by conducting a sensitivity analysis. Also, the outperformance of the suggested controller is contrasted with some advanced controllers reported in some recent papers.

关键词： Frequency regulation Fuzzy logic controller Hybrid power system interline power flow controller Pattern search algorithm Redox flow battery Salp swarm algorithm

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Analysis and Comparison of Performance of interline power flow controller with Various Control Algorithms under Various power Stability Problems

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TRAITEMENT DU SIGNAL 2022年第5期39卷 1605-1613页

作者： Kanchanapalli, Bhavya Vekata, Rama Rao Pokanati Veera Lanka, Ravi Srinivas JNTUK Dept Elect Elect Engn Kakinada 533003 India Maturi Venkata Subba Rao M V S R Engn Coll Dept Elect Elect Engn Hyderabad 501510 India Gudlavalleru Engn Coll Dept Elect Elect Engn Gudlavalleru 521356 India

The interline power flow controller (IPFC) is a voltage source converter based Flexible AC Transmission System (FACTS) controller for series compensation and power flow management among a substation's multiline transmission systems. Individual Voltage Source Converters (VSC) can inject reactive voltage that can be adjusted to manage active power flow in a line. This VSC is used to convert DC voltage to AC voltage and the voltage is kept constant in the entire process. In this article, a circuit model for IPFC is constructed, and a simulation of an interline power flow controller is performed, with control performed utilizing a variety of algorithms, including adaptive weighted feedback, gravitational search, BAT, and ANT colony optimization. The system's performance was evaluated in a variety of scenarios, including fault incidence, synchronous load connection, and asynchronous load connection. The design of system and analysis of system has been carried out using MATLAB Simulink in terms of various parameters at point of common coupling like voltage, current, power and power factor.

关键词： interline power flow controller adaptive weighted feedback algorithm gravitational search BAT and ANT colony optimization

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Optimized utilization of interline power flow controller in an integrated power system

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WORLD JOURNAL OF ENGINEERING 2020年第2期17卷 261-266页

作者： Mishra, Akanksha Kumar, G. V. Nagesh Bali, Sravana Kumar Vignans Inst Engn Women Dept Elect & Elect Engn Visakhapatnam Andhra Pradesh India JNTUA Coll Engn Dept EEE Pulivendula India GITAM Univ Dept EEE Visakhapatnam Andhra Pradesh India

Purpose There is a worldwide need to amplify the usage of renewable energy in the manufacture of electrical energy. Thus, the integrated energy systems (IESs) have become a major part of today's power systems. Wind and solar energies are intermittent power sources and may lead to voltage and power flow instabilities. The purpose of this paper is to use the interline power flow controller (IPFC) for limiting the overloading of the transmission lines and improving the voltage stability of the IES. Design/methodology/approach This paper deals with an integrated system consisting of wind and solar energies and conventional systems. An appropriate position for the IPFC in the IES is proposed based on the disparity line utilization factor. The IPFC is then tuned for decreasing the loss of power and lessening the voltage deviation using the grey wolf algorithm. Findings The method is implemented on a modified IEEE 30-bus system. Results from the study show that the mega volt ampere (MVA) loading of the overloaded lines is reduced for the IES. Also, the voltage stability and the voltage profile of the system are improved to a major extent. The real and reactive power loss of the system is also brought down. Originality/value The use of renewable energy sources is a need of the present world to overcome environmental problems. This research focuses on the use of flexible AC transmission system (FACTS) devices with renewable sources incorporated in the power system. Very limited research has been done in this field. The IPFC, which is one of the most advanced FACTS device, is used for the study.

关键词： Integrated power system interline power flow controller Optimization Grey wolf algorithm Integrated energy sources

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Performance of coordinated interline power flow controller and power system stabilizer in combined multiarea restructured ALFC and AVR system

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INTERNATIONAL TRANSACTIONS ON ELECTRICAL ENERGY SYSTEMS 2019年第5期29卷 e2822.1-e2822.22页

作者： Rajbongshi, Rumi Saikia, Lalit Chandra Natl Inst Technol Dept Elect Engn Silchar India

This article analyzed the performance of coordinated interline power flow controller (IPFC) and power system stabilizer (PSS) in the combined two-area restructured automatic load frequency control (ALFC) and automatic voltage regulator (AVR) system. Each area of the system has three generating companies as reheat thermal, wind, and diesel and three distribution companies (DISCOs). Appropriate physical constraints are included in thermal plant. Proportional plus fractional integral plus derivative with filter ((PIDF)-D-lambda) controller is introduced as secondary controller for both ALFC and AVR loop. Lightning search algorithm is employed for optimization of the parameters of controller as well as PSS. The control performance of the proposed controller is compared with some classical integer-order controllers and reflects the dominance of the former over others with less peak deviation, settling time, and figure of demerit in all three transactions of restructured power system. The investigation of the impact of combined controlling action of IPFC and PSS reveals that the integration of the same improves the system dynamics effectively than the individual inclusion of IPFC and PSS. The coordinated IPFC-PSS provides less peak deviation, oscillation, as well as faster settling time and enhances the system performance. The sensitivity analysis of (PIDF)-D-lambda controller and PSS parameters for different DISCO participation matrix and amount of contract violation derived the robustness of the same.

关键词： automatic load frequency control automatic voltage regulator interline power flow controller lightning search algorithm power system stabilizer proportional plus fractional integral plus derivative with filter controller

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Optimal Utilization of an Integrated Energy Systems with Renewable Sources Using interline power flow controller

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JOURNAL OF ELECTRICAL ENGINEERING & TECHNOLOGY 2019年第4期14卷 1537-1542页

作者： Paruchuri, Chandra Babu Naidu Velagapudi Ramakrishna Siddhartha Engn Coll Dept Elect & Elect Engn Vijayawada Andhra Pradesh India

One of the major leaps in power systems is the increased use of renewable sources in the production of electricity. These integrated energy systems are increasingly replacing the conventional power plants in various sections around the globe. In this paper, an optimal utilization of the integrated solar, wind and conventional power energy systems has been proposed in the presence of an interline power flow controller (IPFC). A suitable location has been chosen for the placement of the renewable sources and IPFC based on suitable indexes. The IPFC has been further tuned for reduction of power loss in electrical network and reduction of voltage deviation. The proposed methodology is executed on a modified IEEE 30 bus system.

关键词： Integrated energy sources interline power flow controller Optimal utilization

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Congestion management of deregulated power systems by optimal setting of interline power flow controller using Gravitational Search algorithm

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Journal of Electrical Systems and Information Technology 2017年第1期4卷 198-212页

作者： Akanksha Mishra Venkata Nagesh Kumar G. Department of EEE Vignan’s Institute of Engineering for Women Visakhapatnam Andhra Pradesh India Department of EEE Vignan’s Institute of Information Technology Visakhapatnam Andhra Pradesh India

In a deregulated electricity market it may at times become difficult to dispatch all the required power that is scheduled to flow due to congestion in transmission lines. An interline power flow controller (IPFC) can be used to reduce the system loss and power flow in the heavily loaded line, improve stability and loadability of the system. This paper proposes a Disparity Line Utilization Factor for the optimal placement and Gravitational Search algorithm based optimal tuning of IPFC to control the congestion in transmission lines. DLUF ranks the transmission lines in terms of relative line congestion. The IPFC is accordingly placed in the most congested and the least congested line connected to the same bus. Optimal sizing of IPFC is carried using Gravitational Search algorithm. A multi-objective function has been chosen for tuning the parameters of the IPFC. The proposed method is implemented on an IEEE-30 bus test system. Graphical representations have been included in the paper showing reduction in LUF of the transmission lines after the placement of an IPFC. A reduction in active power and reactive power loss of the system by about 6% is observed after an optimally tuned IPFC has been included in the power system. The effectiveness of the proposed tuning method has also been shown in the paper through the reduction in the values of the objective functions.

关键词： IPFC interline power flow controller SSSC Static Synchronous Series Compensator TCSC thyristor controlled series compensator LUF Line Utilization Factor PSO particle swarm optimization GSA Gravitational Search algorithm VSC voltage source converter VD voltage deviation SM security margin Congestion interline power flow controller Line Utilization Factor IPFC placement IPFC tuning Gravitational Search algorithm

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A Fast Contingency Management Approach with Optimal Placement and Tuning of interline power flow controller Using Differential Evolution Algorithm

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ELECTRIC power COMPONENTS AND SYSTEMS 2016年第10期44卷 1188-1202页

作者： Mishra, Akanksha Kumar, Gundavarapu Venkata Nagesh Gandhi Inst Technol & Management GITAM Univ Dept Elect & Elect Engn Visakhapatnam Andhra Pradesh India

In the traditional approach of steady-state contingency screening, each line is removed sequentially and its effect on the system is studied, while only some contingencies may cause certain lines to become severe. This article presents an approach for fast contingency ranking in steady-state, based on the selection of a limited number of important buses. A composite severity index based placement of interline power flow controller and tuning using differential evolution for IEEE 14- and 30-bus systems has also been proposed. The composite severity index is a combination of line utilization factor and fast voltage stability index. All the lines connected to the important buses only are sequentially considered for line outage and the most severe line corresponding to each outage is ranked on the basis of composite severity index. An interline power flow controller is optimally placed and tuned to improve the system post-contingency condition. Differential evolution has been used to tune the device for a multi-objective function. The load on the system is increased to test the performance of the interline power flow controller under highly stressed conditions.

关键词： differential evolution fast voltage stability index line utilization factor composite severity index interline power flow controller optimal placement optimal tuning contingency

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Security constrained economic load dispatch in the presence of interline power flow controller using modified BAT algorithm

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AIN SHAMS ENGINEERING JOURNAL 2016年第4期7卷 1029-1043页

作者： Kumar, Y. N. Vijay Sivanagaraju, S. Suresh, Chintalapudi V. SVCET EEE Dept Chittoor 517501 Andhra Pradesh India JNTUK UCEK EEE Dept Kakinada 533003 AP India Vasireddy Venkatadri Inst Technol EEE Dept Guntur 522508 AP India

The utilization of electrical energy due to urbanization and industrialization is increasing day by day, and due to this, there is chance of increasing the uncertainties in a given power system and that affects the economy of the country. The conventional power system in the presence of flexible AC transmission system (FACTS) controllers is an alternative to solve this problem and can increase the power system capability to handle rapid changes in operating conditions of the system. In general, multi-line FACTS controllers are effective than single line FACTS controllers. In this paper, a detailed mathematical modeling of IPFC is presented and the effect of an optimal location is also analyzed. A novel optimization algorithm i.e. modified BAT algorithm is proposed to solve optimal power flow problem in the presence of IPFC including system constraints and device limits. The proposed methodology has been tested on standard test systems. (C) 2015 Ain Shams University. Production and hosting by Elsevier B.V. This is an open access article under the CC BY-NC-ND license (http://***/licenses/by-nc-nd/4.0/).

关键词： Optimal power flow Modified BAT algorithm interline power flow controller power injection model Ramp-rate limits Line stability index

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