A step-down isolated three-phase IGBT boost PFC rectifier using a novel control algorithm with a novel start-up method

For some industrial converter applications such as battery chargers, a DC/DC converter is needed to step down the high DC (direct current) voltages generated by PWM (pulse with modulated) rectifiers to lower voltage levels such as 110V/220V. These both complicate the design and decrease the eﬀiciency. In this paper, a novel topology that includes a step-down transformer and a novel control algorithm is proposed. The proposed current, which is synchronized, look-up table based, sinusoidal PWM control method (CS-LUT-SPWM method) using switching frequency-oriented synchronization (SWFOS) results in a very fast PWM generation and stable operation. Finally, a new thyristor-based start-up circuit providing safe operation when there is energy black out is proposed. A 32-kW converter has been designed, built, and tested to prove the concepts. The proposed converter has an eﬀiciency higher than 94%, an input current total harmonic distortion (THDi) less than 5%, and a power factor closer to 0.99. Theoretical calculations and experimented results show that proposed converter has better eﬀiciency (94%–96%) compared to classical PWM boost rectifiers with a series DC/DC converter topology (92%) in the literature. Fast PWM control algorithm, less complexity, low switching noises, one-stage conversion circuit, and novel start-up circuit are other advantages of the proposed converter.

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[1] IEEE Recommended Practices and Requirements for Harmonic Control in Electrical Power Systems. In: IEEE Std 519-2014 (Revision of IEEE Std 519-1992); 2014; 1-29.
[2] Blooming T, Carnovale D. Application of IEEE STD 519-1992 Harmonic Limits. In: 2006 Annual Pulp and Paper Industry Technical Conference; Appleton, WI, 2006; 1-9.
[3] Kolar JW, Friedli T. The Essence of Three-Phase PFC Rectifier Systems—Part I. IEEE Transactions on Power Electronics 2013; 28 (1): 176–198. doi: 10.1109/tpel.2012.2197867
[4] Friedli T, Hartmann M, and Kolar JW. The Essence of Three-Phase PFC Rectifier Systems—Part II. IEEE Transactions on Power Electronics 2014; 29 (2): 543-560. doi: 10.1109/tpel.2013.2258472
[5] Greff DS, Barbi I. A Single-Stage High-Frequency Isolated Three-Phase AC/DC Converter. In: IECON 2006 - 32nd Annual Conference on IEEE Industrial Electronics; Paris, 2006; 2648-2653.
[6] Badin A, Barbi I. Simplified Control Technique for Three-Phase Rectifier PFC Based on the Scott Transformer. In: 2006 IEEE International Symposium on Industrial Electronics; Montreal, Que., 2006; 931-936.
[7] Huber L, Kumar M, Jovanovic MM. Implementation and performance comparison of five DSP-based control methods for three-phase six-switch boost PFC rectifier. In: 2015 IEEE Applied Power Electronics Conference and Exposition (APEC); Charlotte, NC, 2015; 101-108.
[8] Huber L, Kumar M,Jovanovic MM. Performance comparison of three-step and six-step PWM in average-current- controlled three-phase six-switch boost PFC rectifier. In: 2015 IEEE Applied Power Electronics Conference and Exposition (APEC); Charlotte, NC, 2015; 1861-1868
9] Mallik A, Ding W, Shi C, Khaligh A. Input Voltage Sensorless Duty Compensation Control for a Three- Phase Boost PFC Converter. IEEE Transactions on Industry Applications 2017; 53 (2): 1527–1537. doi: 10.1109/tia.2016.2626247
[10] Bing Z, Du X,Sun J. Control of Three-Phase PWM Rectifiers Using A Single DC Current Sensor. IEEE Transactions on Power Electronics 2011; 26 (6): 1800–1808. doi: 10.1109/tpel.2010.2070809
[11] Yuan L, Peng-Peng J,Bin Z. The principle and realization of single-phase SPWM wave based on the counter method. In: 2012 3rd International Conference on System Science, Engineering Design and Manufacturing Informatization; Chengdu, 2012; 10-13.
[12] Hoyo J, Calleja H, Arau J,Chavez J. Comparison of LUT Compression Techniques for Sinusoidal Signal Generation Applied to ROM-Less Reference Generators for PWM Circuits. In: 2006 IEEE International Power Electronics Congress; Puebla, 2006; 1-5.
[13] Kulikowski K,Sikorski A. New DPC Look-Up Table Methods for Three-Level AC/DC Converter. IEEE Transactions on Industrial Electronics 2016; 63 (12): 7930–7938. doi: 10.1109/tie.2016.2538208
[14] Zhang Y, Peng Y, Qu C. Comparative study of model predictive control and direct power control for PWM rectifiers with active power ripple minimization. In: 2015 IEEE Energy Conversion Congress and Exposition (ECCE); Montreal, QC, 2015; 3823-3830.
[15] Wei Z, Gong CY, Fan Y, Chen X, Chen J. Modified one-cycle-controlled three-phase pulse-width modulation rectifiers under low-output DC voltage conditions. IET Power Electronics 2014; 7 (3): 753–763. doi: 10.1049/iet- pel.2013.0214
[16] Bo Q, Xiao-Yuan H, Lu ZY. A study of startup inrush current of three-phase voltage source PWM rectifier with PI controller. In: 2009 IEEE 6th International Power Electronics and Motion Control Conference; Wuhan, 2009, pp. 980-983.
[17] Kumar M, Huber L, Jovanovic MM. Start-up procedure for three-phase six-switch boost PFC rectifier. In: 2014 IEEE Applied Power Electronics Conference and Exposition - APEC 2014; Fort Worth, TX, 2014; 1852-1859.
[18] Park YW, Shin SC, Lee HJ, Han DW, Won CY. Start-up techniques of three-phase AC/DC PWM converter with diode rectifier under full load in DC distribution systems. In: 2013 International Conference on Electrical Machines and Systems (ICEMS); Busan, 2013; 1707-1711.
[19] Wang S, Quan S, Xiong Y, Quan J, Chen Q et al. Loss analysis of IGBT in three-phase rectifier based on five- segment SVPWM. In: 2017 32nd Youth Academic Annual Conference of Chinese Association of Automation (YAC); Hefei, 2017; 160-165.
[20] Lee JP, Min BD, Kim TJ, Yoo DW, and Yoo JY. (2008). A Novel Topology for Photovoltaic DC/DC Full-Bridge Converter With Flat Eﬀiciency Under Wide PV Module Voltage and Load Range. IEEE Transactions on Industrial Electronics 2008; 55 (7): 2655–2663. doi: 10.1109/tie.2008.924165
[21] Mclyman CWT. Transformer and Inductor Design Handbook. Idyllwild, California, USA: Marcel Dekker, 2004.