功率解耦型无电解电容PFC电路并联补偿控制
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摘要
提出了一种并联补偿控制策略,应用于功率解耦型无电解电容功率因数校正(PFC)电路,实现了去除电解电容、提高使用寿命和可靠性的目的。首先以升压型双向Buck/Boost变换器作为功率解耦电路,提出了基于固定占空比的并联补偿控制策略,并对其补偿特性进行了分析。而后在定占空比控制策略基础上提出了一种并联补偿控制策略,该控制策略相比较于传统的控制策略,结构简单、实现容易,而且响应速度快,系统调整时间短,负载电压纹波对负载功率变化不敏感,可实现无传感器的低成本功率解耦。为了进一步减小功率器件耐压,将降压型双向Buck/Boost变换器引入功率解耦方案,应用该文所提出的控制策略进行控制,同样实现了PFC电路去除电解电容的目的。最后对该文所提出的并联补偿控制策略进行仿真和实验研究,结果验证了该控制策略的有效性。
A new parallel compensation control strategy is proposed in this paper, which is applied to the power decoupled PFC without electrolytic capacitor and realizes the purpose of improving the service life and reliability of the system. In this paper, Boost-type bidirectional Buck/Boost converter is regarded as the power decoupling circuit firstly. The parallel compensation control strategy based on fixed duty cycle is proposed and its compensation characteristics are analyzed. And then a new type of parallel compensation control strategy is proposed on the basis of fixed duty ratio control strategy. Compared with the traditional control strategy, the new control strategy has simple structure, easy implementation, fast response speed, short system adjustment time, the load voltage ripple is not sensitive to changes in load power, and realizes sensorless and low cost power decoupling. In order to further reduce the withstanding voltage value of devices, the Buck-type bidirectional Buck/Boost converter is introduced in power decoupling scheme, which also realized the purpose of removal of electrolytic capacitor from PFC circuit, under the control of the new strategy proposed in this paper. Finally, the simulation and experimental study of the new parallel compensation control strategy are performed to verify the validity of the proposed scheme.
A new parallel compensation control strategy is proposed in this paper, which is applied to the power decoupled PFC without electrolytic capacitor and realizes the purpose of improving the service life and reliability of the system. In this paper, Boost-type bidirectional Buck/Boost converter is regarded as the power decoupling circuit firstly. The parallel compensation control strategy based on fixed duty cycle is proposed and its compensation characteristics are analyzed. And then a new type of parallel compensation control strategy is proposed on the basis of fixed duty ratio control strategy. Compared with the traditional control strategy, the new control strategy has simple structure, easy implementation, fast response speed, short system adjustment time, the load voltage ripple is not sensitive to changes in load power, and realizes sensorless and low cost power decoupling. In order to further reduce the withstanding voltage value of devices, the Buck-type bidirectional Buck/Boost converter is introduced in power decoupling scheme, which also realized the purpose of removal of electrolytic capacitor from PFC circuit, under the control of the new strategy proposed in this paper. Finally, the simulation and experimental study of the new parallel compensation control strategy are performed to verify the validity of the proposed scheme.
引文
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[11]陈武,王广江.一种高功率因数无电解电容LED恒流驱动电源[J].电工技术学报,2013,28(11):216-222.Chen Wu,Wang Guangjiang.An electrolytic capacitor-less LED driver with high input power factor and constant output current[J].Transactions of China Electrotechnical Society,2013,28(11):216-222.
[12]Tang Yi,Blaabjerg F,Loh P C.Decoupling of fluctuating power in single-phase systems through a symmetrical half-bridge circuit[J].IEEE Transactions on Power Electronics,2015,30(4):1855-1865.
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[14]张超,韦庭,张舒辉.具备高压解耦电路的新型无电解电容微逆变器研究[J].电气工程学报,2015,10(4):83.Zhang Chao,Wei Ting,Zhang Shuhui.A novel electrolytic capacitor-less micro-inverter with high voltage gain power decoupling circuit[J].Journal of Electrical Engineering,2015,10(4):83.
[15]肖刚,张译文,郭育华,等.基于MMC的同相供电潮流控制器控制策略研究[J].电力系统保护与控制,2017,45(14):79-84.Xiao Gang,Zhang Yiwen,Guo Yuhua,et al.Study of control strategy for active power filter based on modular multilevel converter[J].Power System Protection and Control,2017,45(14):79-84.
[16]杜雄,周雒维,谢品芳.直流侧并联型有源电力滤波器的可控性及其统一控制策略[J].电气工程学报,2008,23(2):127-132.Du Xiong,Zhou Luowei,Xie Pinfang.The controllability of parallel DC side active power filter and unified control strategy[J].Journal of Electrical Engineering.2008,23(2):127-132.
[17]Krein P T,Balog R S,Mirjafari M.Minimum energy and capacitance requirements for single-phase inverters and rectifiers using a ripple port[J].IEEETransactions on Power Electronics,2012,27(11):4690-4698.
[18]Yang Yang,Ruan Xinbo,Zhang Li,et al.Feedforward scheme for an electrolytic capacitor-less AC/DC LED driver to reduce output current ripple[J].IEEE Transactions on Power Electronics,2014,29(10):5508-5517.
[19]张艺文,金科.一种单级式高功率因数无电解电容AC/DC LED驱动电源略[J].中国电机工程学报,2015,35(22):5851-5858.Zhang Yiwen,Jin Ke.A single-stage electrolytic capacitor-less AC/DC LED driver with high input power factor[J].Proceedings of the CSEE,2015,35(22):5851-5858.
[20]陈裕成.双Boost PFC变换器输出电压纹波的研究[J].电气技术,2015,16(6):48-51.Chen Yucheng.Research on output voltage ripple of doubler Boost PFC[J].Electrical Engineering,2015,16(6):48-51.
[21]章勇高,史献冰,高海文.一种具有功率耦合电路的无电解电容LED驱动电源[J].电力系统保护与控制,2017,45(17):58-64.Zhang Yonggao,Shi Xianbing,Gao Haiwen.A nonelectrolytic capacitors LED driver power supply with power coupling circuit[J].Power System Protection and Control,2017,45(17):58-64.
[22]Wang Ruxin,Wang Fei,Boroyevich D,et al.A high power density single-phase PWM rectifier with active ripple energy storage[J].IEEE Transactions on Power Electronics,2011,26(5):1430-1443.
[23]陈梅.功率解耦型无电解电容PFC电路[D].秦皇岛:燕山大学,2016.
[2]陈正格,许建平,杨平,等.变占空比控制二次型Boost功率因数校正变换器[J].电工技术学报,2016,31(16):72-82.Chen Zhengge,Xu Jianping,Yang Ping,et al.Variable duty cycle control quadreatic boost power factor correction converter[J].Transactions of China Electrotechnical Society,2016,31(16):72-82.
[3]陈正格,许建平,杨平,等.储能电感对二次型Boost PFC变换器的性能影响[J].电工技术学报,2017,32(5):78-83.Chen Zhengge,Xu Jianping,Yang Ping,et al.Influence of storage inductor on quadratic boost PFCconverter[J].Transactions of China Electrotechnical Society,2017,32(5):78-83.
[4]Gu Linlin,Ruan Xinbo,Xu Ming,et al.Means of eliminating electrolytic capacitor in AC/DC power supplies for LED lightings[J].IEEE Transactions on Power Electronics,2009,24(5):1399-1408.
[5]姚凯,阮新波,冒小晶,等.减小DCM Boost PFC变换器储能电容的方法[J].电工技术学报,2012,27(1):172-181.Yao Kai,Ruan Xinbo,Mao Xiaojing,et al.A method of reducing storage capacitor of DCM Boost PFCconverter[J].Transactions of China Electrotechnical Society,2012,27(1):172-181.
[6]倪建军,张方华,俞忆洁.无电解电容的高功率因数AC-DC LED驱动器[J].电工技术学报,2012,27(12):79-86.Ni Jianjun,Zhang Fanghua,Yu Yijie.High power factor AC-DC LED drivers without electrolytic capacitors[J].Transactions of China Electrotechnical Society,2012,27(12):79-86.
[7]Pinto R A,Cosetin M R,Silva M F D,et al.Compact emergency lamp using power LEDs[J].IEEETransactions on Industrial Electronics,2012,59(4):1728-1738.
[8]Zhang Bo,Yang Xu,Xu Ming,et al.Design of Boostflyback single-stage PFC converter for LED power supply without electrolytic capacitor for energystorage[C]//2009 IEEE 6th International Power Electronics and Motion Control Conference,Wuhan,2009:1668-1671.
[9]Yao Kai,Ruan Xinbo.Boost-flyback single-stage PFCconverter[J].Journal of Nanjing University of Aeronautics&Astronautics,2009,41(4):1867-1871.
[10]汪飞,钟元旭,李林,等.基于集成三端口变换器的无电解电容LED驱动[J].电工技术学报,2016,31(23):189-198.Wang Fei,Zhong Yuanxu,Li Lin,et al.An electrolytic capacitor-less LED driver based on an integrated threeport converter[J].Transactions of China Electrotechnical Society,2016,31(23):189-198.
[11]陈武,王广江.一种高功率因数无电解电容LED恒流驱动电源[J].电工技术学报,2013,28(11):216-222.Chen Wu,Wang Guangjiang.An electrolytic capacitor-less LED driver with high input power factor and constant output current[J].Transactions of China Electrotechnical Society,2013,28(11):216-222.
[12]Tang Yi,Blaabjerg F,Loh P C.Decoupling of fluctuating power in single-phase systems through a symmetrical half-bridge circuit[J].IEEE Transactions on Power Electronics,2015,30(4):1855-1865.
[13]Lee K W,Hsieh Y H,Liang T J.A current ripple cancellation circuit for electrolytic capacitor-less AC-DC LED driver[C]//Twenty-Eighth Annual Applied Power Electronics Conference and Exposition(APEC),Long Beach,2013:1058-1061.
[14]张超,韦庭,张舒辉.具备高压解耦电路的新型无电解电容微逆变器研究[J].电气工程学报,2015,10(4):83.Zhang Chao,Wei Ting,Zhang Shuhui.A novel electrolytic capacitor-less micro-inverter with high voltage gain power decoupling circuit[J].Journal of Electrical Engineering,2015,10(4):83.
[15]肖刚,张译文,郭育华,等.基于MMC的同相供电潮流控制器控制策略研究[J].电力系统保护与控制,2017,45(14):79-84.Xiao Gang,Zhang Yiwen,Guo Yuhua,et al.Study of control strategy for active power filter based on modular multilevel converter[J].Power System Protection and Control,2017,45(14):79-84.
[16]杜雄,周雒维,谢品芳.直流侧并联型有源电力滤波器的可控性及其统一控制策略[J].电气工程学报,2008,23(2):127-132.Du Xiong,Zhou Luowei,Xie Pinfang.The controllability of parallel DC side active power filter and unified control strategy[J].Journal of Electrical Engineering.2008,23(2):127-132.
[17]Krein P T,Balog R S,Mirjafari M.Minimum energy and capacitance requirements for single-phase inverters and rectifiers using a ripple port[J].IEEETransactions on Power Electronics,2012,27(11):4690-4698.
[18]Yang Yang,Ruan Xinbo,Zhang Li,et al.Feedforward scheme for an electrolytic capacitor-less AC/DC LED driver to reduce output current ripple[J].IEEE Transactions on Power Electronics,2014,29(10):5508-5517.
[19]张艺文,金科.一种单级式高功率因数无电解电容AC/DC LED驱动电源略[J].中国电机工程学报,2015,35(22):5851-5858.Zhang Yiwen,Jin Ke.A single-stage electrolytic capacitor-less AC/DC LED driver with high input power factor[J].Proceedings of the CSEE,2015,35(22):5851-5858.
[20]陈裕成.双Boost PFC变换器输出电压纹波的研究[J].电气技术,2015,16(6):48-51.Chen Yucheng.Research on output voltage ripple of doubler Boost PFC[J].Electrical Engineering,2015,16(6):48-51.
[21]章勇高,史献冰,高海文.一种具有功率耦合电路的无电解电容LED驱动电源[J].电力系统保护与控制,2017,45(17):58-64.Zhang Yonggao,Shi Xianbing,Gao Haiwen.A nonelectrolytic capacitors LED driver power supply with power coupling circuit[J].Power System Protection and Control,2017,45(17):58-64.
[22]Wang Ruxin,Wang Fei,Boroyevich D,et al.A high power density single-phase PWM rectifier with active ripple energy storage[J].IEEE Transactions on Power Electronics,2011,26(5):1430-1443.
[23]陈梅.功率解耦型无电解电容PFC电路[D].秦皇岛:燕山大学,2016.
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