Performance Improved Active Power Filter Using Fuzzy Based Adaptive Controller for Renewable Power Generation Systems

An Active power filter implemented with a four-leg voltage-source inverter utilizing a predictive control scheme is introduced. The utilization of a four-leg voltage-source inverter permits the pay of current consonant parts, and in addition lopsided current created by single-stage nonlinear burdens. A point by point yet straightforward numerical model of the dynamic power channel, including the impact of the identical power framework impedance, is determined and used to plan the prescient control calculation. The pay execution of the proposed dynamic power channel and the related control plan under enduring state and transient working conditions is shown through reproductions results. As of late, fuzzy logic controller was connected for active power filter (APF) control application, as the APF is only a current controlled VSI. In this paper, a fuzzy logic based shunt APF is displayed in light of the compelling time idea. The viable time idea disposes of the trigonometric counts and part ID, along these lines it lessens the computational exertion. Reenactment results show the viability of the APF with the fuzzy logic based control procedure. Reproduction results are acquired for both PI controller and fuzzy logic controller and the outcomes are thought about. In the fuzzy controlled four leg inverter APF is utilized for power quality change

Execution Investigation of Distribution Generation Scheme Fed PMSM Drive through Fuel Cell Energy Source

Distributed Generation (DG) is rising as a reasonable option when renewable or nonconventional vitality assets are accessible, for example, wind turbines, photovoltaic clusters, power devices, small scale turbines. A large portion of these assets are joined with the utility through force electronic interfacing converters, i.e., three-stage inverter. DG is a suitable structure to offer high dependable electrical power supply, as it can work either in the grid tied mode or in the islanded mode. In the framework tied operation, DG conveyances energy to the utility and the neighborhood basic burden. The proposed control system makes out of an inward inductor current circle, and a novel voltage circle in the synchronous reference outline. The inverter is managed as a present source just by the inward inductor current circle in lattice tied operation, and the voltage controller is consequently initiated to direct the heap voltage upon the event of islanding. Moreover, the waveforms of the framework current in the lattice tied mode and the heap voltage in the islanding mode are mutilated under nonlinear neighborhood load with the customary procedure. his paper shows a bound together control methodology that empowers both islanded and framework tied operations of three-stage inverter in distributed generation, with no requirement for exchanging between two relating controllers or basic islanding identification utilizing mat lab/Simulink stage

MULTILEVEL INVERTER BASED GRID CONNECTED STATCOM

Modern day power systems, power electronic devices are playing vital role in every aspect of the power system network. Among various devices multi-level inverters are the most efficient devices due to their Simple circuit configuration, reliability and cost effective implementation. Application of multi-level inverters along with STATCOM using SPWM (Sinusoidal Pulse Width Modulation) technique improves the operation & utilization of power system. Because STATCOM injects reactive component into the power system during large disturbances. This paper deals with multilevel converter based STATCOM and the results are studied through MATLAB Simulink

SPEED CONTROL OF INDUCTION MOTOR USING ADR CONTROLLER

The control of induction motors has been a primary concern of researchers. Proportional-integral- derivative (PID) control and direct torque control (DTC) have been proposed for induction motors [1-6]. However, the control of induction motors is still a challenging problem due to the following issues: 1) the dynamic system of an induction motor is highly nonlinear; 2) the rotor resistance varies because of heating. In this paper, a reduced-order active disturbance rejection control (ADRC) with reduced order extended state observer (RESO) is applied for induction motor control. The ADRC is employed for controlling a sli