In an interconnected multi area power system, as a power load demand varies randomly, in the case of any small sudden load change in any of the areas, both area frequency and tieline power flow interchange also vary. Load frequency control using fuzzy logic based controller. The performance of the pi controller and fuzzy logic controller is compared on single area and two area system. Load frequency control in single area system using model. In the proposed scheme, control methodology is fuzzy logic control for three area interconnected thermal power system. Simple block diagram of a single area power system is shown in fig. Using fuzzy logic controller the gain of pi controller was adjusted. Load frequency control an overview sciencedirect topics.
Frequency error and voltage control by using pi and fuzzy. A genetic algorithm optimised fuzzy logic controller for. Fuzzy proportional integral controller based automatic load. Fuzzy logic based automatic load frequency control of. Aug 19, 2015 load frequency control in multi area power system based on fuzzy logic pid controller abstract.
The performances of type 1 fuzzy controller have been demonstrated for comparing the performances of other published paper pid controller such as ziegler nichols method. Fuzzy logic based automatic load frequency control of multi. Load frequency control of multi area hydro thermal power system using elephant herding optimization technique. The study has been designed for a single area interconnected power system. The load frequency power system dynamics are represented by selecting deviation in frequency and its derivatives as variables. 233243 january 2005 with 929 reads how we measure reads. Load frequency control in three areas system by using fuzzy. Interconnected system, automatic generation control, tieline, pid controller and fuzzy controller i introduction. Analysis of agc and avr for single area and double area power system using fuzzy logic control article pdf available july 2015 with 1,709 reads how we measure reads. Aug 27, 2014 this paper presents a genetic algorithm gabased design and optimization of fuzzy logic controller flc for automatic generation control agc for a single area.
Request pdf on jan 1, 2017, rajendra fagna and others published load frequency control of single area thermal power plant using type 1 fuzzy logic controller find, read and cite all the. Pdf load frequency control using fuzzy logic based. In this proposed scheme three fuzzy logic controllers for each area. Load frequency control using fuzzy logic based controller for multiarea power system article pdf available in international journal of mathematics and computer science 5. In this study, an artificial neural network ann application of load frequency control lfc of a single area power system by using a neural network controller is presented. Load frequency control of single area thermal power system. Mamur, use of the genetic algorithmbased fuzzy logic controller for load frequency control in a two area interconnected power system, applied. Load frequency control file exchange matlab central. Flcs are characterized by a set of parameters, which are optimized using ga to improve their performance. This is to certify that the thesis entitled load frequency control in a single area system, submitted by pranab patnaik roll no.
R engineering college abstract this paper deals with load frequency control of two area thermalthermal system with. R engineering college 2department of eee, professor, s. Load frequency control in power system analysis ni. Stabilizing load frequency of a single area power system with uncertain parameters through a genetically tuned pid controller alwadie, a. This paper deals with a new method of quenching transients of load frequency of a single area power system. Load frequency control of single area thermal power plant. Load frequency control in single area system using model predictive control and linear quadratic gaussian techniques.
Abstractthis paper proposes a design and simulation of linear quadratic gaussian method lqg and model predictive controller mpc for load frequency control in single area power system to improve system performance. Load frequency control in two area power systems using. Pdf analysis of agc and avr for single area and double. Load frequency control using fuzzy logic amit kumar 1, aziz ahmad 2, ashwani grover 3. Abstract this paper presents the use of fuzzy logic controller along with proportionalintegral pi controller to regulate the frequency. Load frequency control of power system a dissertation submitted in partial fulfilment of the requirement for the degree of master of technology in control and automation by niranjan behera roll no. This study describes the load frequency control lfc of isolated and interconnected power systems using i, pid and fuzzy logiccontrollers. Agc of single area system with the primary load frequency control lfc loop a. The validity of this model was compared in terms of its uncontrolled response obtained in the earlier work 1. Load frequency control in four area power systems using fuzzy logic pi controller emre ozkop 1, ismail h. The paper in 14 studied the control of load frequency in single and two area power systems with a fuzzy like proportionalintegralderivative pid controller. Sambariya 1 and vivek nath 1 1 department of electrical engineering, rajasthan technical university, kota 324010, india. Load frequency control of three area system using fuzzy tunned pi controller.
Feb 22, 2016 this scheme is known as automatic generation control. Chapter 3 load frequency control using pi, fuzzy and polar. Local feedback signal from the output to the input has been injected to the controller. Simulations are carried out to study the performance of the powersystems focusing on the assessment of the most efficient controller which can generate the best dynamic response following a step load change.
Chapter 3 load frequency control using pi, fuzzy and polar fuzzy controller 3. Comparative study based on integral and fuzzy logic controller. Hence, in this study, single area and two area hydroelectrical power systems and two different controllers, a conventional pi and a fgpi, were designed under the matlab 6. The results obtained show that the fuzzy logic controller gives better performance than the conventional pi method. The fat, t a, is defined as the time needed to transmit a setpoint signal from the tso or dso to the vpp and downstream to ders engaged in the procedure for a full activation of a particular load frequency control action. Automatic load frequency control single area power system iii. Therefore, following a load disturbance within a control area or an occurred mismatch power on tielines, the frequency of that control area experiences a transient change. Four of an interconnected electrical power system used as a testing the effectiveness of the proposed method compared to a conventional pi controller and. Load frequency control of multi area power system using fuzzy.
The trend of frequency measured in each control area is an indicator of the trend of mismatch power in the interconnection and not in the control area alone. Load frequency control in multiarea power system based on. Design of pi fuzzy logic gain scheduling load frequency. Load frequency control of single area thermal power plant using type 1 fuzzy logic controller logic pi and pid controller. Sambariya 1 and vivek nath 1 1 department of electrical engineering.
Department of electrical engineering national institute of technology, rourkela c e r t i f i c a t e this is to certify that the thesis entitled load frequency control of power system being. In this paper, a type 1 fuzzy controller is composed for solving change in load frequency problem of single area thermal power system. Application of fuzzy logic for load frequency control of. The comparative analysis of integral and fuzzy logic controller for load frequency control has been described in this paper. An investigation of scaledflc using pso for multiarea power. The output of the ga is then supplied as a control input to each area. Keywords frequency error, multi area inter connection, reliability, automatic generation control agc, fuzzy logic controller. Sep 02, 2017 a single area load frequency control lfc. Mar 20, 2017 frequency control of two area power system with conventional and fuzzy logic control. Dec 28, 2012 this paper presents the analysis of load frequency control lfc of a deregulated two area hydrothermal power system using fuzzy logic controller, with doubly fed induction generators dfigs integrated into both the control areas. Stabilizing load frequency of a single area power system with. Pi and fuzzy logic are proposed and compared on two area of power system.
Load frequency control of multi area power system using fuzzy and optimal control techniques p. Load frequency control using fuzzy logic based controller for multi area power system d. In an interconnected system consisting of several pools, the role of the agc is to divide the load among the system, stations and generators so as to achieve maximum economy and reasonably uniform frequency. The design of input and output membership functions mfs of an flc is carried out by automatically tuning offline the. The deregulation of power sector has led to the formation of new companies for generation, transmission and distribution of power. Load frequency control in four areas by using fuzzy logic. By using fuzzy logic controller the frequency error, settling time, peak overshoot, under overshoots are effectively reduced. Load frequency control using fuzzy logic based controller for. Impact of slider gain on load frequency control using fuzzy. Pdf load frequency control of two area interconnected. Fu area load frequency control using fuzzy gain scheduling of pi controllers, electrical power and energy systems, vol. This function is commonly referred to as load frequency control. Study of load frequency control in an interconnected system.
Load frequency control in two area power systems using fuzzy logic controller article in energy conversion and management 462. Application of fuzzy logic in load frequency control of two area power system suranjana bharadwaj. Load frequency control in multi area power system based on fuzzy logic pid controller abstract. Pso optimization method is used to tuning the fuzzy controller input and output gains. Department of electrical engineering najran university, p.
Load frequency control in four area power systems using fuzzy. Pdf on oct 1, 2018, mehmet rida tur and others published load frequency control of two area interconnected power system using fuzzy logic control and pid controller find, read and cite all the. Load frequency control of multiarea hydro thermal power. A comparative study on lfc of single area using fuzzy logic and optimal controllers has been proposed by samuel n 12.
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