power factor correction IEEE PAPERS-2020
Efficient Resonant Converters for Power Factor Correction in Solid State Lighting Applications
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With the increasing demand and popularity of LED-based lighting systems, research interest in power electronics has turned towards the drivers in these systems and, in particular, how to combine high conversion efficiency with a compact design. In order to satisfy the
Dual Boost High Performances control strategy on a Power Factor Correction (PFC) implementation by using a 24 bit custom floating point library
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This work explores the feasibility of implementing IEEE 754 standard compliant, 24 bit floating point unit on reconfigurable computing systems. The floating point unit generation approach outlined in this paper allows the creation of a vast collection of floating point New advancements in light-emitting diode (LED) have attracted many to use LEDs in commercial and industrial applications. In the recent years, new family of DC-to-DC converters, namely super-lift Luo converters, has evolved in the power electronics terrain
DYNAMIC COMPENSATION OF REACTIVE POWER : COMPARITIVE ANALYSIS OF POWER FACTOR CORRECTION TECHNIQUES
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This study explores the various power factor correction techniques used in industrial loads and a new topology is proposed to automatically improve the power factor by injecting the reactive power generated by the capacitor bank connected with a load. It consists of a relay
Performance Investigation of Single Stage Luo AC-DC Power Factor Correction Converter
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This paper is proposed with the design, simulation, analysis of bridgeless negative output Luo converter with resistive load for open loop and closed loop with PI controller with the aim of improving the power factor and reducing the THD at the AC main side. To eliminate
Single Phase AC to DC Isolated ZETA Power Factor Correction Converter fed LED drives
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This paper deals with PFC-isolated Zeta converter fed LED drive to overcome the power factor problems. The proposed circuit topology consists of diode bridge rectifier and isolated Zeta converter with high frequency transformer. A single phase supply is used to feed a In current Scenario, efficiency and economic are the major concerns in designing and developing low- power applications. The aim of the paper is to design a Bridge Less Power Factor Corrected (BLPFC) buck boost converter for low power applications. The diode
Power Factor Correction for Non-Linear Loads
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Power factor decides the quality of power for linear and nonlinear loads, due to increased usage of devices which consist of dc supplies nonlinear loads are the major contributor in deteriorating the power factor so there is an increasing concern over nonlinear loads
Designing and Analyzing a Single-stage Soft-switching Power Factor Correction Converter for Dual-string LED Driver with Auto Current Sharing and Low DC
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In this paper, a single-stage soft-switching power factor correction (PFC) converter is proposed for driving two strings of LEDs. In the proposed driver, a transformer is added to an asymmetric series resonant half bridge converter to shape the input current. Also, zero
Identification and Sensorless Control Using Embedded System of PMSM Based on FOC Strategy and Power Factor Correction
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This article presents the procedure for identifying the electrical and mechanical parameters of the PMSM (Permanent Magnet Synchronous Motor). The parameter identification procedure is required in the event that the motors electrical and mechanical parameters are
Microcontroller Based Automatic Power Factor Improvement
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1. Introduction Automatic power factor correction techniques can be applied to industrial units, power systems and also households to make them stable Capacitors connected at each starter and controlled by each starter are known as Static Power Factor CorrectionThe detailed modeling for this project will be simulated using MATLAB. Keywords: Power factor correction STATCOM, Voltage Source Converter (VSC). I. INTRODUCTION The Power factor correction is very essential in transmission system due to presence of electrical loads
A TECHNIQUE TO IMPROVE POWER FACTOR BY USING MODIFIED FILTER
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Abstract- The present paper relates to power factor correction systems. In particular the paper is related to power factor correction of an induction motor using a modifier filter technique compensation for correction of power factor . CONCLUSION PAIDEUMA JOURNALPower Factor correction is done using PI controllers. Speed of the Brushless Direct Current motor is regulated by adjusting the output voltage of the converter Fig. 3 AC mains without power factor correction Fig.4 displays the total schematic diagram of PFC controller system
Improvement of Power Quality in an Adaptive Boost PFC Converter with Generation of PWM Control Signal by Cascading Power Factor and Chaos Controller
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It is shown that, the proposed controller technique is able to suppress the chaos at variable load condition of a boost power factor correction (BPFC) converter 1438 1445. 2. Rossetto, L., Spiazzi, G., Tenti, P.: Control techniques for power factor correction converters, ProcIn This work presents two stage AC-DC and DC-DC power converter using single-phase isolated Full bridge converter with inherent power factor correction (PFC) method for switched mode power supply (SMPS).The advantages of the proposed methodology are its simple
High- Power Factor Flyback Converter for an LED Driver with Ultra-Wide Output Voltage
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However, the number of components increase. On the other hand, some of the conventional power factor correction circuit increase the number of stages in power conversion Therefore, for each LED driver required an AC-DC converter with Power Factor Correction (PFC)bar, and the contact surface of the switchgears must be enlarged for the same power to be delivered at low power factors Power factor correction : Capacitive power factor correction is applied to the circuits that include induction motors for reducing the inductive component of
A Review of Power Factor Compensation in UPQC System
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A poor power factor resulting from inductive loads can be improved by power factor correction method Decreasing the power factor : Lagging and leading power factors : There is also a difference between a lagging and leading power factor
Bridgeless Single-stage Step-down Power Factor Corrector under Synchronous Switching Control Scheme
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The frond-end of the BSSPFC can be regarded as a modified bridgeless SEPIC in charge of performing power factor correction and the downstream is a flyback-based configuration for achieving a higher step-down voltage ratio and galvanic isolationIn recent years, the field of power electronics experienced a large growth due to confluence of several factors nput power factor correction a boost converter is used at the outp efficiency is reduced as this DC-to-DC converter needs heavy f ventional three-phase bridge rectifier
Practical Case Study of Electrical Safety Issues within an Imbalanced Three-Phase Power System
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BY power factor correction units shall be sequentially switched ON and OFF while observing the system performance. Common tools will be mainly used during this exercise Figure 3: Power factor correction units isolated This
A novel DC-AC solar power conversion system for PV-plant applications
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Page 2. resonances caused by adding power factor correction capacitor banks. To alleviate windings. This arrangement enables capabilities such as power factor correction voltage magnitude control and harmonics attenuation. If aand capacitor voltages, as well as not using any controller and voltage feedback, proposed control strategy generates accurate switching angles, capable of balancing flying capacitor voltage and eliminates lower order harmonics while considering load power factor variation
Improved Dynamic Performance of Power Quality Using 9-level DSTATCOM with DG Application
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improvement. The situations like harmonic, reactive power exchanging, power factor correction balancing the load so on, due to greater effect on highly susceptible loads are to be encouraged in power distribution system. To Keywords: Harmonic Hybrid active filter Pi controller Power factor correction Pq theory This is an open access article under the CC BY-SA license. Corresponding Author This filter also provides reactive power for power factor correction . The type Page 3. ISSN: 1693-6930
Design and Performance Analysis of a High- PowerDensity PFC Converter
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increase. Power factor correction boost converter is pre- dominating among all AC-DC power supplies. However, the applications in which is implemented, demand for high- power density, mainly due to available space and cost
Transformerless H-bridge inverter based PV system for harmonic current compensation.
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This is based on the Power Factor Correction (PFC) conversion with harmonic modulation technique that will give betterment of power factor in PFC operation Keywords Power factor correction (PFC), Dynamic voltage restore(DVR), Transformerless hybrid series active
PERFORMANCE IMPROVEMENT OF SECONDARY DISTTRIBBUTION SYSTTEM THROUGGH EFFECTIVE TREATMENT OF REACTIVE POWER
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2 Figure 1:1 Losses of the currently operating power system of Ethiopia The problem with implementing power factor correction at the substations is that the reactive power under estimated are becoming one of the factors for overloading of distribution transformers and
A Novel Analysis of brushless drive system with energy saving mechanism
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The power factor is obtained as 0.98 On Power Apparatus and Systems, vol PAS-10 no. pp.867-87 9. GILSU CHOI THOMAS M. JAHNS Investigation of key factors influencing the response of permanent magnet synchronous machines to three phase symmetrical
A Novel Single Stage AC/DC PFC Converter for Renewable Energy Sources
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The power factor correction in the solar panel is achieved by using two stages of conversion where all the switching operation is shared through a control scheme. A flexible dc link voltage helps to shape the current and voltage waveform, resulting in power factor correction
Reactive Power Cost Calculation and Allocation in Regulated Electricity Market
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power factors and reactive power costs and partly because of the inconsistent ways that different utilities use power factors to develop significant attractions in terms of sending accurate signals to those companies which need to invest in power factor correction most urgently[4
Performance evaluation of ZVS/ZCS high efficiency AC/DC converter for high power applications
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electronic devices [34]. However, high input current harmonics, low power factor heavy weight, large volume and high maintenance cost are the main factors that limit their use as front-end converters [35]. The active three levelwhich is dictated by the power factor correction element k angle which should be ≥ 2 with a rise-time 20ms as follow: k = tan = Iq / (Vg Vpcc) (5) Fig. 11. Power factor correction with reference to 0.8 pu voltage sag. IV
Electric Vehicle Battery Charger Using Bridgeless Landsman Converter
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the existing model, there is a conventional diode bridge converter at the source end of existing electric vehicle battery charger, which is considered to be a controllable one in the existing technique and the losses occur in the diode bridge rectifier with the power factor correction
POWER QUALITY IMPROVEMENT USING DSTATCOM ON PV BASED DISTRIBUTION SYSTEM
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Advantages of DSTATCOM are It can provide power factor correction harmonic compensation and load balancing. Ability to generate the rated current at virtually any network voltage. Better dynamic response and the use of a relatively small capacitor on the DC bus
POWER QUALITY IMPROVEMENT IN WIND ENERGY SYSTEM USING HEX-STATCOM
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IASTED conf. on power and energy systems. 200 pp. 109-113. 4. D. Detjen, J., Jacobs., RW, Doncker.: A new hybrid filters to damped resonances and compensate harmonic currents in industrial power systems with power factor correction equipment, APEC, AnaheimThis proposed work has been improved single stage power factor correction (PFC) converter based on phase-shifted controller for wireless Power applica- tions New power factor correction AC DC converter with reduced storage capacitor voltage. IEEE Trans
Comprehensive Modelling of an Optimized Energy Management System for Photovoltaic Standalone Building
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Keywords: Automatic power factor correction (APFC); PV stand-alone building limitations; Internet of Things (IoT); Renewable energy uncertainty; Smart embedded system. 1 1.2 Automatic Power Factor Correction (APFC) Therehigh-level applications than the traditional boost converter, along with power factor correction photovoltaic and have been introduced to identify faults throughout dc-dc power converters, in factors including incompatible gate drive signals, finite time delays in switching devices
PERFORMANCE ANALYSIS OF BOOST RECTIFIER CIRCUIT WITH FULL-BRIDGE CONFIGURATION FOR AUTOMATIC SLIDING CONTROLLER
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Many schemes and solutions that are available in the field of power factor correction (PFC) are presented in the work. The thesis shows a power factor correction for a class of three-phase boost ac/dc power converters. HereThe ZSN in the proposed ZSRI provides the unique feature of inherent power factor correction (PFC) without adding extra switching devices In other words, because of the ZSN, the ZSRI can perform power factor correction as well as dc/ac conversion in single stage. II
ANALYSIS OF HARMONIC GENERATION OF SVC IN VFD LOAD SYSTEM
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In induction motor applications, the use of power factor correction and variable frequency drives (VFDs) are two methods to maximize the efficiency of the system In general, it is not practical to apply conventional capacitive power factor correction to a VFD load
Passive Lossless Snubber for PFC AC DC Converters
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His research has been concentrated on the areas of motor drives, power factor correction uninterruptable and switching power supplies, high frequency power conversion, and active and passive snubber cells in power electronics light-emitting diode (LED) applications. An ac dc boost converter operating in continuous conduction mode is employed to provide input power factor correction and regulated dc-link voltage. Considering that EHC COB LEDs estimate the reference currents of grid. This proposed control algorithm addresses various power quality concerns such as harmonics reduction, power factor correction and load unbalancing. The VSC of PV array-interfacedShunt active filters allows the compensation of current harmonics and balanced phases, together with power factor correction and can be a much better solution than the conventional approach (capacitors for power factor correction and passive filters to compensate for current
Renewable Power System Improvement by Modified Topology in Boost Power Converter
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the proposed circuit. Index Terms Auxiliary resonant circuit, intelligent multi-chip power module, power factor correction (PFC), pulse width- modulated (PWM) boost converter, zero-voltage transition (ZVT). I. INTRODUCTION At the same time, increase in usage of nonlinear loads leads to electronic pollutions like harmonics and power factor issues 2000; Montero et al. 2007; Chang and Shee 2004) such as (1) source currents without harmonics and (2) source currents at unity power factor (UPF)
FUZZY LOGIC CONTROL OF FIVE LEVEL DSTATCOM
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In this work, DSTATCOM has been used for power factor correction and reactive power compensation compensate the totality of the reactive power and consequently obtaining a unit power factor side source Where Ge, G e are input scaling factors and Gu is output scaling factor 53.08 Apparent Power (KVA) 70.77 Reactive power (kVAR) 46.81 After Power Factor Correction Capacitor Cost /kVAR per anum 127.385 kVA demand charges per anum (Nrs/kVA) 3000.000 Most Economical Power Factor 0.999 Total Active Power ( KW) 53.080
Three Phase Enhanced Electrical Energy Metering System
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Unnikrishnan L An Overview of Power Factor Improvement Techniques in Domestic and Industrial Loads IJSRSET Volume Issue 1 Print ISSN: 2395-1990 | Online ISSN : 2394-4099 Bilal Naji Alhasnawi, Basil H.Jasim Automated Power Factor Correction for Smart
How to improve PFC light-load efficiency
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Each power supply works at a light load most of the time; therefore, light-load efficiency is more meaningful than heavy-load efficiency. This article describes how to improve the light-load effi- ciency of an AC/DC power supply with a power factor correction (PFC) front end
ANALYSIS OF REDUCTION IN SWITCHING LOSS WITH FEEDFORWARD CONTROL IN GRID-TIED MICRO GRID SYSTEM
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Some of the requirements of single-phase AC/DC PWM converters are to provide the power factor correction function , low distortion line currents , highquality dc output voltage bidirectional power flow capability , etc
A MULTI-FUNCTION CONVERSION TECHNIQUE USING ACTIVE POWER FILTER FOR VEHICLE-TO-GRID APPLICATIONS WITH REGENERATIVE
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On the opposite hand, the on-board chargers can also deliver energy storage system operations such as reactive power compensation, voltage regulation, and power factor correction without the need of employing the battery with the grid and thereby securing its lifetime
A new topology single-phase single switch non-isolated Buck-Boost converter with improved performance
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modes. Another form of single stage AC-DC Buck- Boost converter was introduced in wherein the converter works in Continuous conduction mode (CCM).It requires a dedicated controller for power factor correction . Due to
Design and Development of an Automatic Three-phase Sequence Reversal Detection and Correction
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Figure 4: Block Diagram of an Automatic Phase Reversal Correction System The design involves monitoring the three-phase power The 5.5 kW three- stage squirrel-cage motor with 400 volts, 50-Hz power with a 0.8 lac power factor . To determine the amount of contact used
Power Quality Improvement Using UPQC with variable DC Link Voltage Control
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Sustain. Energy, vol. no. pp. 313-32 Jan. 2014. [16] A. Ghosh, A. Joshi, A New Approach to Load Balancing and Power Factor Correction in Power Distribution System, IEEE Trans. Power Del., vol. 1 no. pp. 417-42 Jan. current are described well in IEEE 519 and IEC 1000-3-2 standards [ 4]. So power factor correction is imperative for converter system where the field has been witnessing increasingly prominent usage of power electronic prod- ucts day by day
Magnetic Saturation Impact on Three-Phase Shunt Active Power Filters
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Page 1. 18th International Conference on Renewable Energies and Power Quality (ICREPQ20) Granada (Spain), 1st to 3nd April Renewable Energy and Power Quality Journal (REPQJ) ISSN 2172-038 X, Volume No.1 June Shunt Active Power Filters
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