Reduced size rule set based fuzzy logic dual input power. Fuzzy inference systemanfis based power system stabilizerpss for a two area two machine system and investigate its performance in low frequency power system oscillations. Power system stabilizer cpss, fuzzy power system stabilizer fpss, sliding mode. So, an innovative optimized type ii fuzzy power system stabilizer pss is proposed to decrease uncertainties and increase the power system dynamic stability margin. Fuzzy logic based wind energy power system stabilizer. The stabilizing signal is determined from certain rules for a rule based power system stabilizer. Comparison of fuzzy logic based and conventional power. Power system dynamic stability enhancement based on. An intelligent power system stabilizer based hybrid fuzzy learning algorithm abstract this work aims to develop two adaptive fuzzy control techniques applied on excitation control system for turbo alternators, to simulate an automatic voltage regulator and power systems stabilizer avrpss in transient stability power system analysis.
This paper introduces a fuzzy controller as a power system stabilizer used to damp interarea modes of oscillation following disturbances in power system. The flc rule base is generally based on empirical control rules. Sambariya and others published fuzzy logic based power system stabilizer for multimachine system find, read. In this regard, it is useful to apply fuzzy controllers in electric power systems. Dynamic stability enhancement of power system using fuzzy. Power system stabilizer, dynamic stability, single machine system, multi machine system. The parameters of the fuzzylogicbased pss are tuned by neural networks online. An advanced fuzzy logic control scheme has been proposed for a micro computer based power system stabilizer to enhance the overall stability of. The simulation result shows that the proposed fuzzy logic based power system stabilizer is superior to rule based stabilizer due. The paper presents a study of power system stabilizerusing fuzzy logic to enhance stability of single machine infinite bus system. To study the dynamic performance of the system with the proposed ga based fuzzy logic power system stabilizer gflpss over a wide range of operating conditions. Pdf in this paper a fuzzy logic controller as power system stabilizer for stability enhancement of a multimachine power system is presented. Performance of power system stabiliser based on fuzzy logic.
Results presented in the thesis demonstrate that the fuzzy logic based power system stabilizer design gives better performance than the conventional power system stabilizer. Fuzzy controller is a flexible and somewhat robust control and can successfully deal with system uncertainties. Power system stabilizer fsmcpss is compared to the performance of a conventional. The stabilizer uses a takagisugeno type fuzzy logic signal synthesizer to blend the stabilizing signals obtained from predesigned linear stabilizers based on the system operating condition. Result presented in the paper clearly demonstrates. The performance of fpss, which is tuned automatically as the operating conditions of. This paper presents a study of fuzzy logic power system stabilizer pss for stability.
This paper introduces a fuzzy controller as a power system stabilizer pss. To have good damping characteristics over a wide range of operating conditions, speed deviation and it is derivative of a machine are ch osen as the input signals to the fuzzy stabilizer. Power system dynamic stability enhancement based on facts device and fuzzy logic controller based stabilizer wagnew moges kassie 1, dr. To enhance the performance of power system stabilizer, robust fuzzy power system stabilizer rfpss has been proposed.
Kesavan nair abstract in the interconnected power system network, instability problems are caused mainly by the low frequency oscillations of. This research is started by electric power system mathematic modelling state variable equation and block diagram then set membership function of fuzzy logic power system stabilizer flpss. To analyze the dynamic performance of the system with fldipss and hence to compare it with that obtained. A fuzzylogicbased adaptive power system stabilizer pss is proposed in this paper. For the case a as the variation of rotor angle is very important, it is given in fig 2 a. Dynamic stability enhancement using fuzzy pid control. Fuzzy logic controller as a power system stabilizer. Abstract the paper presents an efficient and simple fuzzy logic power system stabilizer flpss for damping electromechanical modes of oscillations and enhancing power system synchronous stability.
Tradit fuzzy logic based power system stabilizer ieee conference publication. A fuzzy logicbased adaptive power system stabilizer for. Pg scholar, 2associate professor in electrical engineering department, b. Power system stabilizers psss are often used as effective and economic means for damping the generators electromechanical oscillations and enhance the. To assess the performance of the proposed technique, benghazi. For fuzzy logic based power system stabilizer, the supplementary stabilizing signal is determined according to the fuzzy membership function depending on the speed and acceleration states of the. S department of instrumentation and control systems engineering, psg college of technology. Power system stability enhancement using fuzzy logic based. The performance of the proposed model is tested and performed on single machine infinite bus system smib.
Comparison of fuzzy logic based and conventional power system. The fuzzy controller has been designed to provide a supplementary signal to the excitation system of the synchronous generator. Power system stability enhancement using fuzzy based power. Robust adaptive fuzzy logic power system stabilizer. Performance analysis of transient stability and its improvement using fuzzy logic based power system stabilizer dilip parmar1, amit ved2 1m.
Pdf fuzzy based power system stabilizer for multimachine. Gardi college of engineering and technology, rajkot, gujarat, india. R department of instrumentation and control systems engineering, psg college of technology, coimbatore, 641004, india. The stabilizing signal is determined from certain rules for a rulebased power system stabilizer. A new type of fuzzy logic power system stabilizer is proposed in this paper. In this paper, the design of fuzzy logic power system stabilizer fpss is carried out using a harmony search algorithm hsa to optimize the inputoutput scaling. Pdf comparative study of conventional and fuzzy based power.
Machine infinite bus power system with a fuzzy logic power system stablizer pss is developed. In this method, the fuzzy system with a large number of fuzzy rules is compressed to a fuzzy system with a reduced number of rules by removing the redundant and inconsistent rules from the rule base. Power system stabilizer design using compressed rule base of. Comparative analysis of fuzzy power system stabilizer. The application of the fuzzy logic controller as a power system stabilizer is investigated by means of simulation studies on a single machine infinite bus system. Pdf a fuzzy logic based adaptive power system stabilizer. By adding power system stabilizer for tuning of fuzzy logic stabilizing controller there is no need for exact knowledge of power system mathematical model. The workability of this neural fuzzy power system stabilizer is first demonstrated using regularly spaced and triangular fuzzy sets. Nevertheless, with a fast growth in the size and complication of power system, it is essential to design an active controller so as to continue power system stability 6. Pdf power system stability enhancement using fuzzy logic. This article presents a new strategy based on multistage fuzzy pid controller for damping power system stabilizer in multimachine environment using honey bee mating optimization hbmo. Digital simulation of reduced rule fuzzy logic power system. Chaotic ant swarm optimization for fuzzybased tuning of power system stabilizer author links open overlay panel a. The active power, reactive power and bus voltages used as inputs to the fuzzy logic network based power system stabilizer and the parameters of the optimum stabilizer, i.
Power system dynamic stability enhancement based on facts. Fuzzy logic based power system stabilizer ieee conference. The proposed technique is a new metaheuristic algorithm which is inspired by mating procedure of the honey bee. Comparative study of conventional and fuzzy based power system stabilizer abstract power system stabilizers psss are used to enhance the damping during low frequency oscillations. Generally this project is to improve the dynamic power system stability using fuzzy logic power system stabilizer flpss which applied to the excitation system. The fuzzy logic based power system stabilizer model i s evaluated on single machine infinite bus power system and then performed between the conventional power system stabilizer cpss and fuzzy logic based power system stabilizer flpss. An adaptive fuzzy logic power system stabilizer sciencedirect. Power system stability enhancement using fuzzy based.
The last section is devoted to fuzzy power system stabilizer. Mansour abstract toenhance the performance and widen the operating range, the design ofafuzzy observerbased power system stabilizer pss is presented inthis paper. The paper presents an adaptive fuzzy logic power system stabilizer pss design for damping oscillatory electromechanical modes of oscillations and. Design of genetic algorithms based fuzzy logic power. Fuzzy logic based power system stabilizer has been applied successfully for the enhancement of dynamic stability of power system 1112. Pdf fuzzy logic based power system stabilizer for multimachine. Optimal tuning of fuzzy logic power system stabilizer using. Chaotic ant swarm optimization for fuzzy based tuning of power system stabilizer author links open overlay panel a. Enhancement of power system stability using fuzzy logic. The simulation result shows that the proposed fuzzy logic based power system stabilizer is superior to rulebased stabilizer due. The essential feature of the proposed controller is that the pole placement approach is used to assign the openloop poles at certain specified locations at nominal operating point. Pdf a multimachine power system stabilizer using fuzzy logic. Performance of power system stabiliser based on fuzzy. A comparison is also made between the flpss and conventional power system stabilizer cpss.
The application of fuzzy logic power system stabilizer recent researches in circuits, systems, mechanics and transportation systems isbn. The main objectives of the work presented in this paper are. Multimachine power system stabilizer based on optimal. Siva krishna rao 2 1pg scholar,department of electrical engineering, andhra university visakhapatnam, india 2professor, department of electrical engineering, andhra university,visakhapatnam, india. The fuzzylogic power system stabilizer fpss has been designed to provide a supplementary signal to the excitation system of the synchronous generator.
Design of power system stabilizer national institute of technology, rourkela abstract a power system stabilizer pss installed in the excitation system of the synchronous generator improves the smallsignal power system stability by damping out low frequency oscillations in the power system. Self paper 5 power system stability for single machine. Dynamic stability enhancement of power system using fuzzy logic based power system stabilizer manish kushwaha, mrs. The superior performance of this compressed rule based fuzzy pss crfpss as compared to conventional pss and proves the better efficiency of this new crfpss. The simulation result shows that the proposed fuzzy logic based power system stabilizer is superior to rulebased stabilizer due to. Pdf power system stability enhancement using fuzzy based. The performance of fpss, which is tuned automatically as the operating conditions of power system change, is investigated by applying it to a single machine and multimachine including four. Machine, single machine infinite bus system, fuzzy logic. A novel fuzzy logic based power system stabilizer for a. Improvement of power system dynamic stability based on. In this paper a linearized heffronphilips model of a single machine infinite bus smib power system with a fuzzy logic power system stabilizer fpss is developed for different membership functions. For the fuzzy logic based power system stabilizer, the supplementary stabilizing signal is. In this paper, simulation results using matlab simulink of conventional and fuzzy type both power system stabilizers are shown. Chaotic ant swarm optimization for fuzzybased tuning of.
Fpssfuzzy based power system stabilizer when a logical mathematical model of the plant is unavailable then flcs can be used. An adaptive fuzzylogic stabilizer for single and multi. Fuzzy logic design has been implemented online to tune the power system stabilizer gain. Power system stability enhancement using fuzzy logic based power system stabilizer. Optimal tuning of fuzzy logic power system stabilizer.
For fuzzy logic based power system stabilizer, the supplementary stabilizing signal is determined according to the fuzzy membership function depending on the speed and acceleration states of the generator. Mitra proposed the application of a new input the most effective way of damping the lfo is the signal based fuzzy power system stabilizer in multiinstallation of power system stabilizer pss. Performance analysis of transient stability and its. Power system stabilizers are often used as effective and economic means for damping the generators electromechanical oscillations and enhance the overall stability of power systems.
Jun 17, 2015 in this paper, the design of fuzzy logic power system stabilizer fpss is carried out using a harmony search algorithm hsa to optimize the inputoutput scaling factors of the fuzzy logic controller. Introduction ower system stability is the ability of the system to remain in operating equilibrium condition and it is shown equilibrium between opposite forces. Fuzzy logic based power system stabilizer for multimachine system. Performance assessment of fuzzy logic power system stabilizer. Design and analysis of fuzzy power system stabilizer. Design of power system stabilizer national institute of technology, rourkela abstract a power system stabilizer pss installed in the excitation system of the synchronous. Conventional power system stabilizers provide effective damping only on a particular operating point. Improvement of power system dynamic stability based on fuzzy. This research was proposed a new type of power system stabilizer based o n fuzzy set theory, to improve the dynamic performance of a multimachine power system. Online tuning of power system stabilizers using fuzzy. Dynamic stability, fuzzy logic based power system stabilizer, genetic algorithms, genetic based power system stabilizer, power system stabilizer.
A conventional power system stabilizer can provide adequate damping for a limited range around its tuning point. Advanced pid type fuzzy logic power system stabilizer ieee xplore. Abstract this paper presents some interesting simulation results of a single machine infinitebus system, with fuzzy logic based power system stabilizer flpss. In this paper, the fuzzy logic controller flc based power system stabilizer pss with compressed reduced rule is presented. The robust power system stabilizer rpss is designed using enhanced artificial bcolony for designing the ee controllers for dynamical systems in electrical engineering. To present a systematic approach for designing a fuzzy logic dual input power system stabilizer fl dipss. To be successful in implementing fuzzy pid controllers in large applications we must also consider their operating principles. Power system stabilizer design using compressed rule base. This paper presents a fuzzy based stabilizer for upfc. Comparative study of conventional and fuzzy based power. In this work, a fuzzy logic controller as power system stabilizer in wind turbine for stability enhancement of a multimachine power system is proposed. Optimal design of fuzzy based power system stabilizer self. Result presented in the paper demonstrate that the fuzzy logic based power system stabilizer flpss design gives better performance than the conventional power system stabilizer. Pdf design of power system stabilizer using fuzzy based.
An intelligent power system stabilizer based hybrid fuzzy. The fuzzy logic power system stabilizer fpss has been designed to provide a supplementary signal to the excitation system of the synchronous generator. Control based power system stabilizer smcpss and with the system without power. Three proposed types of fuzzy control algorithms are inspected and tested in the case of single machine that connected to the network, for various types of disturbance. Power system stabilizers must be capable of providing appropriate stabilization signals over a broad range of operating conditions and disturbances. The uncertainties associated with generation units, transmission system and demands are considered as the most important sources of uncertainty. The design of a fuzzy logicbased adaptive power system stabilizer for multimachine power systems was presented in this paper. It is constructed using a fivelayered neural fuzzy network architecture based on. Though, a large number of performances have been working in power systems, intellectual fuzzy logic is a.
Performance of power system stabiliser based on fuzzy logic control m. The designed fuzzy based pss adjusts two inputs by appropriately processing of the input angular speed and angular acceleration signal, and provides an efficient damping. Design of fuzzy logic controller based power system. For the fuzzylogicbased power system stabilizer, the supplementary stabilizing signal is determined according to a fuzzy membership function depending on the speed and acceleration states of the. Fuzzy inference system anfis based power system stabilizer pss for a two area two machine system and investigate its performance in low frequency power system oscillations. Absrracftbis paper describes the design of a fuzzy logic based controller to counter. So, an innovative optimized type ii fuzzy power system stabilizer pss is proposed to decrease uncertainties and increase the. For the fuzzylogicbased power system stabilizer, the supplementary stabilizing signal is. The reduced cpu computational time and storage space as compared to the fuzzy power system stabilizer fpss, proves its applicability in control. Online tuning of power system stabilizers using fuzzy logic. Fuzzy logic is a method which is a basis of fuzzy logic control, and which is almost similar to human.
233 1337 862 1240 756 1382 1463 855 1073 197 1526 1223 801 1108 16 1154 827 302 116 887 1326 28 14 1281 566 174 1113 1367 325 206 178 1069 792 1211 320 1014 1090 1356 1030 608 127 99 95 1203