Handling input voltage frequency variations in power factor correctors with precalculated duty cycles

The use of precalculated duty cycles for power factor correction leads to a significant simplification of the design and a reduction of the final cost. There are previous proposals for handling non-nominal conditions such as input voltage or load variations. However, there are no proposals for handling input frequency variations, which have an important impact in the power factor. This paper measures this impact and includes a simple loop to handle the variations of the input frequency. The results show that the introduction of this loop keeps the power factor values around those obtained in nominal conditions.

[1]  I. W. Merfert.  Stored-duty-ratio control for power factor correction , 1999, APEC '99. Fourteenth Annual Applied Power Electronics Conference and Exposition. 1999 Conference Proceedings (Cat. No.99CH36285).

[2]  J. Sebastian,et al.  Single-switch three-phase power factor preregulator under variable switching frequency and discontinuous input current , 1993, Proceedings of IEEE Power Electronics Specialist Conference - PESC '93.

[3]  Ying Qiu,et al.  Digital Average Current-Mode Control Using Current Estimation and Capacitor Charge Balance Principle for DC–DC Converters Operating in DCM , 2010, IEEE Transactions on Power Electronics.

[4]  Seth R. Sanders,et al.  Quantization resolution and limit cycling in digitally controlled PWM converters , 2003 .

[5]  Renato Santiago Maciel,et al.  Front-End Converter With Integrated PFC and DC–DC Functions for a Fuel Cell UPS With DSP-Based Control , 2015, IEEE Transactions on Power Electronics.

[6]  Hung-Chi Chen.  Single-Loop Current Sensorless Control for Single-Phase Boost-Type SMR , 2009 .

[7]  Bin Wu,et al.  A digital power factor correction (PFC) control strategy optimized for DSP , 2004 .

[8]  Javier Garrido,et al.  Single ADC Digital PFC Controller Using Precalculated Duty Cycles , 2014, IEEE Transactions on Power Electronics.

[9]  Changsik Yoo,et al.  Active Power Factor Correction (PFC) Circuit With Resistor-Free Zero-Current Detection , 2011, IEEE Transactions on Power Electronics.

[10]  Javier Garrido,et al.  Comparison of AC mains synchronization methods when using precalculated duty cycles in Power Factor Correction , 2014, 2014 IEEE 15th Workshop on Control and Modeling for Power Electronics (COMPEL).

[11]  K. I. Hwu,et al.  Fully-digitalized implementation of PFC rectifier in CCM without ADC , 2012, 2011 Twenty-Sixth Annual IEEE Applied Power Electronics Conference and Exposition (APEC).

[12]  Oscar Garcia,et al.  Concurrent and simple digital controller of an AC/DC converter with power factor correction based on an FPGA , 2003 .

[13]  Robert W. Erickson,et al.  Self-tuning digitally controlled low-harmonic rectifier having fast dynamic response , 2003 .

[14]  D Maksimović,et al.  A Simple Digital Power-Factor Correction Rectifier Controller , 2011, IEEE Transactions on Power Electronics.

[15]  I. Merfert.  Analysis and application of a new control method for continuous-mode boost converters in power factor correction circuits , 1997, PESC97. Record 28th Annual IEEE Power Electronics Specialists Conference. Formerly Power Conditioning Specialists Conference 1970-71. Power Processing and Electronic Specialists Conference 1972.

[16]  Oscar Garcia,et al.  Power Factor Correction Without Current Sensor Based on Digital Current Rebuilding , 2010, IEEE Transactions on Power Electronics.

[17]  Mutsuo Nakaoka,et al.  Simulation method for DSP-controlled active PFC high-frequency power converters , 2000 .

[18]  Hung-Chi Chen,et al.  Modified Single-Loop Current Sensorless Control for Single-Phase Boost-Type SMR With Distorted Input Voltage , 2011, IEEE Transactions on Power Electronics.

[19]  Shin-Ju Chen,et al.  FPGA-based digital control for boost converters with power factor correction , 2012, 2012 7th IEEE Conference on Industrial Electronics and Applications (ICIEA).

[20]  Y. T. Yau,et al.  Full-Digital AC-DC Converter With PFC Based on Counting , 2015, IEEE Transactions on Industrial Informatics.

[21]  Bo-Hyung Cho,et al.  Digitally Implemented Average Current-Mode Control in Discontinuous Conduction Mode PFC Rectifier , 2012, IEEE Transactions on Power Electronics.

[22]  Bin Wu,et al.  A New Duty Cycle Control Strategy for Power Factor Correction and FPGA Implementation , 2006, IEEE Transactions on Power Electronics.

[23]  Regan Zane,et al.  Universal Digital Controller for Boost CCM Power Factor Correction Stages Based on Current Rebuilding Concept , 2014, IEEE Transactions on Power Electronics.

[24]  Pallab Midya,et al.  Sensorless current mode control-an observer-based technique for DC-DC converters , 1997 .

[25]  Modeling and Small-Signal Analysis of a Switch-Mode Rectifier With Single-Loop Current Sensorless Control , 2010, IEEE Transactions on Power Electronics.

[26]  Dragan Maksimovic,et al.  Average Inductor Current Sensor for Digitally Controlled Switched-Mode Power Supplies , 2012, IEEE Transactions on Power Electronics.

[27]  G. Feng,et al.  DSP implementation of predictive control strategy for power factor correction (PFC) , 2004, Nineteenth Annual IEEE Applied Power Electronics Conference and Exposition, 2004. APEC '04..

[28]  Frederik De Belie,et al.  Digitally Controlled Boost PFC Converter with Improved Output Voltage Controller , 2007 .

[29]  Shammya Shananda Saha,et al.  Modeling and simulation of a Microcontroller based power factor correction converter , 2013, 2013 International Conference on Informatics, Electronics and Vision (ICIEV).