[PDF] Top 20 Power Quality Improvement by using Fuzzy PI Controlled DPFC

... The UPFC consists of a shunt and a series transformer, which are connected via two voltage source converters with a common DC-capacitor. The DC-circuit allows the active power exchange between shunt and series ... See full document

... cannot be used for low power applications.[10] So the proposed PFC technique below is designed in such a way that is suited for low power applications.[11]-[14] The objective of the paper is to use zeta ... See full document

... of power equipment by creat ing excessive losses. In this paper, a fuzzy controlled shunt act ive p ower filter is described to maintain the (Total Harmonic Distortion) T HD within the allowable ... See full document

... active power filter consists of 8 switches in which 6 switches are used for the 3-phase line and the remaining 2 switches are used to compensate the neutral ...by using the gate to compensate the harmonics ... See full document

... reactive power between the converter and the ac system can be controlled by varying the amplitude of the 3-phase output voltage, Es, of the converter, as illustrated in ...capacitive-reactive power ... See full document

... The STATCOM system consists of MLI based converters, and each of PWM pulse technique control scheme. The block diagram of the STATCOM and its control is shown in Fig (2). The shunt converter is controlled to ... See full document

... active power filters gave an enhanced performance current source shunt active power filters offers an allowable choice in harmonic mitigation ...the PI and Fuzzy logic controller (FLC) with ... See full document

... The power quality problem is an occurrence manifest- ed as a nonstandard voltage, current or frequency that results in a failure of end user equipments ...[1]. Power quality problems comprise ... See full document

... are power- factor-correction (PFC) techniques, passive filters due to their easy design, simple structure, low cost and high ...the power and corrects the current to unity power ... See full document

... hybrid power filter (SHPF) and a thyristor controlled reactor (TCR) for compensating harmonic currents and reactive ...active power filter because the passive filter takes care of the major burden of ... See full document

... Power quality is defined as the index which both the de- livery and consumption of electric power affect on the performance of electrical apparatus ...a power quality problem can be ... See full document

... of power electronics based equipment and non-linear loads at PCC generate harmonic currents, which may deteriorate the quality of ...current controlled voltage source inverters are used to interface ... See full document

... a PI- controlled system is less responsive to real (non-noise) and relatively fast alterations in state and so the system will be slower to reach set point and slower to respond to ... See full document

... with pi controller and fuzzy controller is proposed to enhance the power quality in single-phase systems with critical ...and power quality issues related to electric ... See full document

... bulk power source or sources and the consumer service switches and is an inseparable part of electric ...voltage-related power- quality (PQ) problems via low power factor, distorted source ... See full document

... the power quality of a ...without DPFC. The voltage waveforms are obtained for DPFC with PI controller, Fuzzy logic controller and ANN ...that DPFC with artificial neural ... See full document

... of fuzzy set theory; the major features are the use of linguistic variables rather than numerical ...on quality control rules. Fuzzy Logic provides a simple way to arrive at a definite conclusion ... See full document

... It is a voltage-source converter connected in series with the AC line and acts as a voltage source to mitigate voltage distortions. It is used to eliminate supply voltage flickers or imbalance from the load terminal ... See full document

... DC power to AC power at desired output voltage and frequency Demerits of inverter are less efficiency, high cost, and high switching ...non-linear power system. The fuzzy control can overcome ... See full document

... with PI controller was modelled and simulated in ...with PI control system is connected through out to the system, to compensate the reduced power factor of ...incorporating Fuzzy logic ... See full document