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International Conference on Sustainable Energy and Future Electric Transportation (SeFeT)

作者： Kalyan, Ch Naga Sai Suresh, Chintalapudi, V Vasireddy Venkatadri Inst Technol EEE Dept Guntur Andhra Pradesh India

ISBN: (纸本)9781728156811

This paper investigates, load frequency control (LFC) of nonlinear multi area system with hydro thermal units. Secondary controller adopted for test system model is double derivative (DD) with proportional (P) plus integral (I) (pidd) controller, whose gains are optimized with grey wolf optimization (GWO) subjected to performance index minimization of error squared over integral (ISE). However, functioning of pidd is compared with other classical controllers to reveal the superiority. Test system is investigated by subjugating area-1 with a load change of ***. Later, the system is incorporated with plug in electric vehicles (PEVs) to regulate the system frequency further. Finally, HVDC link is amalgamated with existing AC line to boost up the mitigation of system deviations. Investigation reveals the dominance of GWO based pidd controller with PEVs integration and AC-DC links in mitigating the system deviations effectively.

关键词： pidd controller non-linear system GWO optimization PEVs AC-DC lines

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Performance Evaluation of pidd controller for Automatic Generation Control in Interconnected Thermal System with Reheat Turbine in Deregulated Environment 2

Performance Evaluation of PIDD Controller for Automatic Gene...

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2nd International Conference on Knowledge Based Engineering and Innovation (KBEI)

作者： Khakpour, Samira Mirabbasi, Davar Islamic Azad Univ Ardabil Branch Dept Elect Engn Ardebil Iran

ISBN: (纸本)9781467365062

This paper present automatic generation control (AGC) of interconnected two equal area thermal system with reheat turbine in deregulated environment and using pidd controller that compared with other classical controllers. With existence of Electrical industry deregulation, the AGC system has been considered by taking the effect of bilateral contracts into account;it means that any distribution companies (DISCO) may have contracts with any generation companies (GENCO) in other areas. The goal is to improve system parameters such as frequency deviation error, area control error and line transmitted power using above mentioned controllers. The simulation in MATLAB/Simulink shows that the AGC with pidd controller results in increased dynamic efficiency and improvement in responses.

关键词： Automtic Generation Control Therml system with reheat turbine Deregulated environment pidd controller

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Performance Evaluation of pidd controller for Automatic Generation Control in Interconnected Thermal System with Reheat Turbine in Deregulated Environment

Performance Evaluation of PIDD Controller for Automatic Gene...

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International Conference on Knowledge-Based Engineering and Innovation

作者： Samira Khakpour Davar Mirabbasi Department of Electrical Engineering Ardabil branch Islamic Azad University Ardabil Iran

ISBN: (纸本)9781467365079

This paper present automatic generation control (AGC) of interconnected two equal area thermal system with reheat turbine in deregulated environment and using pidd controller that compared with other classical controllers. With existence of Electrical industry deregulation, the AGC system has been considered by taking the effect of bilateral contracts into account;it means that any distribution companies (DISCO) may have contracts with any generation companies (GENCO) in other areas. The goal is to improve system parameters such as frequency deviation error, area control error and line transmitted power using above - mentioned controllers. The simulation in MATLAB/Simulink shows that the AGC with pidd controller results in increased dynamic efficiency and improvement in responses.

关键词： Automtic Generation Control Therml system with reheat turbine Deregulated environment pidd controller

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A Novel Control Methodology Based on the Combination of TIDF and PID^μD controllers Enhanced by the Orca Predation Algorithm for a Hybrid Microgrid System Involving Electric Vehicles

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IEEE ACCESS 2023年 11卷 111525-111544页

作者： Alqahtani, Mohammed H. Aljumah, Ali S. Almutairi, Sulaiman Z. Adem, Seada Hussen Oubelaid, Adel Aboras, Kareem M. Prince Sattam Bin Abdulaziz Univ Coll Engn Elect Engn Dept Alkharj 11942 Saudi Arabia Haramaya Inst Technol Sch Elect & Comp Engn Diredawa 202001 Ethiopia Univ Bejaia Fac Technol Lab Technol Ind & Informat Bejaia 06000 Algeria Alexandria Univ Fac Engn Dept Elect Power & Machines Alexandria 21544 Egypt

In this study, an innovative mixed regulator based on integer and fractional order control is suggested for load frequency management. Tilt Integral Derivative with Filter (TIDF) and Proportional Integral Derivative Fractional Derivative with Filter ((pidd)-D-mu) are the two components of the suggested hybrid, which is called TIDF-(pidd)-D-mu. The advantages of the TIDF, the pidd, and the fractional derivative regulators are combined in the proposed TIDF-(pidd)-D-mu regulator. In order to enhance the suggested TIDF-(pidd)-D-mu parameters in the investigated dual-area power grids, an innovative technique is used that is based on the newly reported Orca Predation Algorithm (OPA). The suggested TIDF-(pidd)-D-mu regulator is part of a centralized control plan that takes into account the role of electric vehicles (EVs). Comparing the performance of the proposed TIDF-(pidd)-D-mu regulator against that of previously published FOI-TD and pidd2-PD associated with filters provides promising outcomes. In addition, the OPA optimizer's outcomes are contrasted to those of newly published optimization techniques such as the Gorilla Troops Optimizer (GTO), Gradient Based Optimizer (GBO), Battle Royale Optimizer (BRO), and Remora Optimization Algorithm (ROA), and the OPA optimizer has been shown to achieve better results. Taking into account non-linear limitations and the existence of renewable energy sources (RES) such as solar farms, wind farms, and EVs, this study examines the issue of frequency stability in a hybrid dual-area power system with thermal and hydraulic turbines. In ending, a sensitivity analysis has been carried out to prove the robustness and reliability of the proposed control structure. The results of this study are presented in the form of time-domain simulations that have been done with the assistance of MATLAB/SIMULINK (R2022a).

关键词： Regulators Frequency control Renewable energy sources Power system stability Optimization Filtering algorithms Hybrid power systems Orca predation algorithm (OPA) frequency stability electric vehicle modeling fractional order control hybrid two-are power system renewable sources pidd controller

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Application of Centralized Cascade controller Schemes for Interconnected Power System Frequency Control

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IRANIAN JOURNAL OF SCIENCE AND TECHNOLOGY-TRANSACTIONS OF ELECTRICAL ENGINEERING 2023年第2期47卷 753-770页

作者： Raja, K. Azaharahmed, Md. Patan, Muzeeb Khan Prasad, Ch. Durga Univ Coll Engn Dindigul Dindigul 624622 Tamilnadu India Sagi Rama Krishnam Raju Engn Coll Bhimavaram 534204 Andhra Pradesh India

Selection of an appropriate secondary frequency controller regulates system frequency effectively during load perturbations and system uncertainties. In this paper, proportional-integral-proportional-derivative (PI-PD), PD-PID, and I-PD controllers are applied in the secondary regulatory framework for multi-area interconnected hydrothermal power system, and investigations are carried out during random load disturbances, plant generation participation changes, and parameter variations. Further, the superiorities of these cascade controller performances are compared with traditional integral, PI, PID, 2-degree-of freedom PID, pidd, and pidd2 versions in stabilizing the frequency and tie-line power disturbances. The impact of load perturbations-parameter tuning mismatch conditions is investigated with cascade controllers, and comparisons are provided with PID controllers to show the merits. In all case studies, the optimal values of controller gain parameters are identified using the invasive weed optimization algorithm.

关键词： Cascade controller IWO pidd controller Frequency control

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Performance Comparison of Various Classical controllers in LFC of Hydro-Thermal Power System with Time Delays 10

Performance Comparison of Various Classical Controllers in L...

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10th International Conference on Smart Grid (icSmartGrid)

作者： Gambhire, Shankar J. Kumar, Malligunta Kiran Mallikarjuna, Kurva Venkateswarlu, A. N. Kalyan, Ch. Naga Sai Goud, B. Srikanth Koneru Lakshmaiah Educ Fdn Elect & Elect Engn Guntur 522302 India Vignana Bharathi Inst Technol Elect & Elect Engn Hyderabad India Vignans Lara Inst Technol & Sci Elect & Elect Engn Guntur 522213 India Vasireddy Venkatadri Inst Technol Elect & Elect Engn Guntur 522508 India Anurag Univ Elect & Elect Engn Medchal 500088 Telangana India

ISBN: (数字)9781665486040

ISBN: (纸本)9781665486057;9781665486040

This paper presents the application of an artificial electric field algorithm (AEFA) optimized classical PID plus double derivative (DD) gain (pidd) for load frequency control (LFC). Two-area realistic hydro thermal (TARHT) power system is considered and an investigation is carried out by subjugating the disturbance of 10% step load on area-1 (10%SLD). Efficacy of AEFA tuned pidd is revealed with other classical PI and PID regulator performances. TARHT is analyzed for the conditions with and without deliberating the constraint of time delays (TDs). Simulation results reveal the predominance of TDs on TARHT system performance and the importance of its consideration is accentuated.

关键词： TARHT system pidd controller AEFA algorithm 10%SLD time delays

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Comparative performance analysis of fruit fly optimisation algorithm for multi-area multi-source automatic generation control under deregulated environment

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IET GENERATION TRANSMISSION & DISTRIBUTION 2015年第14期9卷 1845-1855页

作者： Mohanty, Banaja Hota, Prakash Kumar Veer Surendra Sai Univ Technol Dept Elect Engn Burla 768018 Odisha India

A new swarm optimisation algorithm, that is, fruit fly optimisation algorithm is proposed to tuned several classical controllers for multi-area multi-source interconnected power system under deregulated environment. In deregulated environment, for multi-source combination of reheat thermal, hydro and nuclear generating units in each control area with appropriate generation rate constraint and AC/DC link. The performance of several controller such as integral (I), proportional-integral, proportional-integral-derivative, integral-double derivative (IDD) and proportional-integral-double derivative (pidd) are compared under different power system scenario and it is found that pidd controller performs better than other controllers. Then sensitivity analysis is performed with system parameter variation from their nominal values. Sensitivity analysis reveals that optimum gains of pidd controller need not be reset for wide variation in system parameters.

关键词： power system interconnection hydrothermal power systems nuclear power stations power generation control electricity supply industry deregulation optimisation three-term control PI control sensitivity analysis thermal power stations comparative performance analysis fruit fly optimisation algorithm multiarea multisource automatic generation control deregulated environment swarm optimisation algorithm multiarea multisource interconnected power system reheat thermal generating unit hydro generating unit nuclear generating unit generation rate constraint AC-DC link proportional-integral controller integral controller proportional-integral-derivative controller integral-double derivative controller proportional-integral-double derivative controller pidd controller IDD controller sensitivity analysis system parameter variation

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Robust two-degree-of-freedom controller for automatic generation control of multi-area system

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INTERNATIONAL JOURNAL OF ELECTRICAL POWER & ENERGY SYSTEMS 2014年第Dec.期63卷 878-886页

作者： Debbarma, Sanjoy Saikia, Lalit Chandra Sinha, Nidul Natl Inst Technol Meghalaya Dept Elect & Elect Engn Shillong Meghalaya India Natl Inst Technol Silchar Dept Elect Engn Silchar Assam India

This paper proposes a novel, integer-order based, two-degree-of-freedom Proportional plus Integral plus Double Derivative (2-DOF-pidd) controller for automatic generation control of a three unequal area thermal system considering reheat turbines and appropriate generation rate constraints. The performance of proposed 2-DOF-pidd controller is studied and compared with conventional integral (I) controller and recently reported single degree of freedom based Proportional plus Integral plus Double Derivative (pidd) controller. Nature-inspired firefly algorithm (FA) based optimization is employed to search for optimal controller parameters and governor speed regulation parameters simultaneously. Critical examination clearly reveals that proposed 2-DOF-pidd controller gives better dynamic responses than I and pidd controller in terms of settling time and reduced oscillations. Analysis also explored the superiority of FA over bacterial foraging optimization and artificial bee colony techniques. Furthermore, proposed controller is tested against several uncertain circumstances such as different loading condition, wide variation in inertia constant (H), different position of step load perturbation (SLP) to check the robustness. Proposed controller is also found to have performed well when the system is subjected to a higher degree of SLP and simultaneous occurrence of SLPs. (C) 2014 Elsevier Ltd. All rights reserved.

关键词： Automatic generation control Firefly algorithm pidd controller 2-DOF-pidd controller

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