load control system
IEEE PROJECT
Computation of time delay margins for stability of a single-area load frequency 5 control system with communication delays
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Time delays have become unavoidable in power systems since communication links are extensively used for sending and receiving control signals. This paper investigates the effect of time delays on the stability of a single-area load Frequency Control (LFC) system . A direct
A robust decentralized power system load frequency control
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This paper presents a new robust decentralized controller based on mixed H2/H∞ control technique for the solution of Load Frequency Control (LFC) in a deregulated electricity environment. To achieve decentralization in each control area, the connections between this
Power system dynamics as primal-dual algorithm for optimal load control
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We formulate an optimal load control (OLC) problem in power networks where the objective is to minimize the aggregate cost of tracking an operating point subject to power balance over the network. We prove that the swing dynamics and the branch power flows, coupled
Fuzzy logic based load frequency control of hydro-thermal system with non-linearities
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This study presents, a solution procedure using Fuzzy Logic Controller (FLC) to load frequency control of an interconnected hydro-thermal system . Thermal system comprises of governor dead band and generation rate constraint non-linearities and boiler dynamics
Load frequency control for a two area interconnected power system using robust genetic algorithm controller
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In this paper a new robust load frequency controller for two area interconnected power system is presented to quench the deviations in frequency and tie line power due to different load disturbances. The dynamic model of the interconnected power system is developed
System ID modern control algorithms for active aerodynamic load control and impact on gearbox loading
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† Prior work on active aerodynamic load control (AALC) of wind turbine blades has demonstrated that appropriate use of this technology has the potential to yield significant reductions in blade loads, leading to a decrease in wind cost of energy. While the general
A new load frequency control method in power system using vehicle-to-grid system considering users convenience
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A large penetration of photovoltaic and wind power generation causes the imbalance between supply and demand in power systems because their output is intermittent. To alleviate the mentioned problem, many researches on Load Frequency Control (LFC) using
Load frequency control adaptation using artificial intelligent techniques for one and two different areas power system
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(LFC) is to regulate the power output of the electric generator within an area in response to changes in system frequency and tie-line loading. Thus the LFC helps in maintaining the scheduled system frequency and tie-line power interchange with the other areas within the
Speed control DC motor under varying load using phase-locked loop system
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This paper considers controlling motor terminal voltages using chopper method. The input DC voltage is chopped by IGBT (Insulated Gate Bipolar Transistor). PLL (Phase Locked Loop) offer a stable frequency controller system . It has been widely used in communications
Optimal decentralized load frequency control in a parallel AC-DC interconnected power system through HVDC link using PSO algorithm
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A new design of decentralized load -frequency controller for interconnected power systems with ac-dc parallel using Particle Swarm Optimization (PSO) algorithm is proposed in this paper. A HVDC link is connected in parallel with an existing ac tie-line to stabilize the
Performance analysis of load frequency control in single area power system using ga and pso based pid controller
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This Paper presents a comparative study of Genetic Algorithm method (GA) and Particle swarm optimization (PSO) method to determine the optimal proportional-integral-derivative (PID) controller parameters, for load frequency control in a single area power system
Particle swarm optimization based load frequency control in a single area power system
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In this study, a particle swarm optimization (PSO) based on load frequency control (LFC) of a single area power system is presented. The study has been realized to control of a single area interconnected power system with PSO optimized self-tuning PID controller. The
Load frequency control in multi area electric power system using genetic scaled fuzzy logic
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In multi area electric power systems, if a large load is suddenly connected (or disconnected) to the system , or if a generating unit is suddenly disconnected by the protection equipment, there will be a long-term distortion in the power balance between that delivered by the
Energy-shaping optimal load control of PMSG in a stand-alone wind turbine as a port-controlled Hamiltonian system
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This paper presents energy-based control system of the stand-alone wind turbine. The procedure of the control system synthesis is performed at first separately for a mechanical part considered as two-mass and an electromagnetic part PMSG with active rectifier. Then
Load characteristics and control system behavioural modelling under optimal trajectory control of series resonant DC/DC converters
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The paper presents behavioural modelling of the control system of series resonant DC/DC converters operated above the resonant frequency under optimal trajectory control technique. This method predicts the fastest response possible with minimum energy surge in
Artificial intelligent PI in load frequency control of interconnected power system
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This paper present the use of Artificial Intelligent and conventional PI controller to study the load frequency control of interconnected power system . In the proposed scheme, control methodology developed using Artificial Neural Network (ANN), Fuzzy Logic controller (FLC)
On the optimal load frequency control of an interconnected hydro electric power system using genetic algorithms
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This paper deals with the application of genetic algorithms for optimizing the parameters needed for conventional automatic generation control (AGC) applied to interconnected hydro power systems. A two-area hydro power system is considered to exemplify the
Load frequency control for three area system with time delays using fuzzy logic controller
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The load -frequency control (LFC) is used to restore the balance between load and generation in each control area by means of speed control . The objective of LFC is to minimize the transient deviations and steady state error to zero in advance. This paper
Load frequency control using classical controller in an isolated single area and two area reheat thermal power system
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In this paper, Load Frequency Control (LFC) of isolated single area and two-area re-heat inter-connected thermal power system has been carried out by the classical controllers ie I, PI and PID; and implemented on the system at 1% step load perturbation under nominal
PSO based tuning of PID controller for a Load frequency control in two area power system
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The paper deals with optimal tuning of a PID controller for a load frequency control of two area Power system using particle swarm optimization (PSO) algorithm. The proposed approach has superior feature, including easy implementation, stable convergence