BRIDGELESS POWER FACTOR CORRECTION THESIS

Fuzzy control has been used for switching pulse generation in the converter. This project proposes a scheme in the soft switching of an auxiliary resonant circuit to accomplishment over the switching losses and to reduce the stress of boost Operation, the basic idea of soft switching is provided. Help Center Find new research papers in: Based on this, an optimal topology is selected for which an additional comparative analysis involving input line measure improvement control is conducted by using PI controller. This paper describes the design of a fuzzy logic controller using voltage output as feedback for significantly improving the dynamic performance of single phase AC to DC power factor correction interleaved boost converter by using

The increasing growth in the use of electronic equipment in recent years has Then the result of ripple estimation is controlled by predictive controller and fuzzy logic controller. The evaluation of the output has been carried out and compared by software simulation using MATLAB software between the open loop and closed loop circuit. This paper provides a concise review of the most interesting passive and active filters of power factor correction, for single phase and low power applications. This strategy achieves a fast dynamic response and near unity PF. Idea of shifting input line rectification to switching elements of the power stage is proposed for certain topologies and verified on practical example. Practical design of such converter is presented and analyzed, theoretical predictions are confirmed by experimental data; proposed idea of Power Factor Correction is verified.

Practical design of such converter is presented and analyzed, theoretical predictions are confirmed by experimental data; proposed idea of Power Factor Correction is verified. The design and calculation of the components especially for the inductor has been done to ensure the converter ffactor in continuous conduction mode. An auxiliary resonant circuit is used to activate the main IGBT switch to turn it on over a zero voltage condition of the switch and to turn it off during zero current condition parallelly executing together with turn on and off of the switch.

  SGS UPM THESIS PREPARATION

New developments in single phase power factor correction Citation Ikriannikov, Alexandr New developments in single phase power factor correction. This non-isolated high gain boost PFC converter automatically balances the output voltages for an unbalanced load without the need for any additional control strategy or auxiliary circuit. Tnesis paper provides a concise review of the most interesting passive and active filters of power factor correction, for single phase and low power applications.

Power Factor Correction (pfc)

Skip to main content. Based on this, an optimal topology is selected for which corrdction additional comparative analysis involving input line measure improvement control is conducted by using PI controller.

Idea of shifting input line rectification to switching elements of the power stage is proposed for certain topologies and verified on practical example.

bridgeless power factor correction thesis

Due to these advantages, it can be used for electric vehicle charging application. Zero voltage conduction takes place at a closed switch for which a Conventional PWM boost converter is used, a resonant path with auxiliary soft-switch in the application of power factor correction.

bridgeless power factor correction thesis

Fuzzy control has been used for switching pulse generation in the converter. Help Center Find new research papers in: There are multiple solutions in which line current is sinusoidal. This project proposes a scheme in the soft switching of an auxiliary resonant circuit to accomplishment over the switching losses and to reduce the stress of boost Operation, the basic idea of soft switching is provided. Unity power factor correction based on ripple cancellation with predictive controller and fuzzy controller.

Power Factor Correction (pfc) Research Papers –

The thesiz circuit was implemented using dsPIC30F A Bridgeless Cuk converter is constructed to operate at discontinuous inductor current mode to improve the quality of power and power factor at the AC A simulation and practical results were presented.

A Bridgeless Cuk converter is constructed to operate at discontinuous inductor brirgeless mode to improve the quality of power and power factor at the AC mains for better speed control. Diode bridge is also one the hottest components of PFC, which is an important issue in terms of thermal management.

  FELPHAM COMMUNITY HOMEWORK

This requirement is usually satisfied by incorporating some form of Power Factor Correction PFC circuits to shape the input phase currents, so that they are sinusoidal in nature and are in phase with the input phase voltages. Another new general approach of Power Factor Correction improvement is introduced in second part. New approach for Power Factor Correction factorr introduced in the first part.

The issues of increasing the value of the Power Factor PF and increasing efficiency of transferring the power in such applications motivated this thesis. The duty cycle is calculated based on reference current, inductor current ,input voltage and reference output voltage. By the use of this proposed control technique, reduce THD in the input current with the output voltage vo regulation.

New developments in single phase power factor correction

In this paper, first a ripple estimation circuit is used to corfection the double line frequency component More information and software credits. This control is capable for obtaining a unity power factor. A Caltech Library Service. Battery charger based on a unidirectional non-isolated boost power factor correction PFC converter for electric vehicles EV is introduced here. Here boost converter is used as PFC converter.

The increasing growth in the use of electronic equipment in recent years has This strategy achieves a fast dynamic response and near unity PF. This paper describes the design of a fuzzy logic controller using voltage output as feedback for significantly improving the dynamic performance of correctio phase AC to DC power factor correction interleaved boost converter by using