NPC型三电平三相四线制SAPF非线性无源控制策略
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摘要
针对线性控制器依赖局部线性化方法的缺点,提出并联型有源滤波器(SAPF)非线性无源控制策略。根据被控对象二极管钳位(NPC)型三电平三相四线制SAPF在dq0坐标系下的欧拉(EL)数学模型分析其无源性;从能量角度出发构造能量存储函数,得到能使被控量收敛至期望值的无源控制规律;以使内环电流解耦为目的,采用阻尼注入法对其简化,提高系统的动态性能;对所设计的NPC型三电平SAPF的非线性无源控制方法进行了仿真及硬件实验。结果表明,所设计的基于非线性无源控制策略的NPC型三电平SAPF能够实现电网平衡/不平衡情况下的电流低谐波、直流侧电压稳定及中点电压平衡;与传统的双环PI控制策略相比,具有较好的补偿效果。
A nonlinear passivity-based control strategy of SAPF( Shunt Active Power Filter) is proposed to overcome the shortcoming of linear controllers dependent on local linearization method. Firstly,according to the EL( EulerLagrange) mathematical model of the controlled object in the dq0 coordinate system,the passivity of the NPC( Neutral-Point Clamped)-type three-level three-phase four-wire SAPF is analyzed. Secondly,the energy storage function is constructed,and the passivity-based control law that ensures the controlled quantity converge to the expected value is obtained from the energy point of view. Thirdly,the damping injection method is employed to simplify the design of the system and further improve the dynamic performance of the system,which contributes to the decoupling of innerloop current. Finally,the simulation and hardware experiment of the nonlinear passivity-based control of the proposed NPC three-level SAPF are carried out. Simulative and experimental results show that the proposed NPC-type threelevel SAPF based on nonlinear passive control strategy can effectively achieve low-order harmonic current,DC-side voltage stability and neutral-point voltage balance in cases of both balanced and unbalanced power grids.Meanwhile,compared to the traditional PI control,the proposed control method exhibits a superior compensation effects.
A nonlinear passivity-based control strategy of SAPF( Shunt Active Power Filter) is proposed to overcome the shortcoming of linear controllers dependent on local linearization method. Firstly,according to the EL( EulerLagrange) mathematical model of the controlled object in the dq0 coordinate system,the passivity of the NPC( Neutral-Point Clamped)-type three-level three-phase four-wire SAPF is analyzed. Secondly,the energy storage function is constructed,and the passivity-based control law that ensures the controlled quantity converge to the expected value is obtained from the energy point of view. Thirdly,the damping injection method is employed to simplify the design of the system and further improve the dynamic performance of the system,which contributes to the decoupling of innerloop current. Finally,the simulation and hardware experiment of the nonlinear passivity-based control of the proposed NPC three-level SAPF are carried out. Simulative and experimental results show that the proposed NPC-type threelevel SAPF based on nonlinear passive control strategy can effectively achieve low-order harmonic current,DC-side voltage stability and neutral-point voltage balance in cases of both balanced and unbalanced power grids.Meanwhile,compared to the traditional PI control,the proposed control method exhibits a superior compensation effects.
引文
[1]ACUNA P,MORAN L,RIVERA M,et al. Improved active power filter performance for renewable power generation systems[J]. IEEE Transactions on Power Electronics,2014,29(2):687-694.
[2]高范强,朱海滨,李子欣,等.三相角型APF补偿电流参考值计算方法[J].电网技术,2014,38(10):2919-2925.GAO Fanqiang,ZHU Haibin,LI Zixin,et al. Extraction method of compensation current reference for three-phase delta-connected active power filter[J]. Power System Technology,2014,38(10):2919-2925.
[3]杨新华,谢兴峰,马建立,等.并联有源滤波器的一种高可靠性控制策略[J].电力系统自动化,2015,39(5):128-133.YANG Xinghua,XIE Xingfeng,MA Jianli,et al. A high-reliability control strategy for shunt active filter[J]. Automation of Electric Power Systems,2015,39(5):128-133.
[4]梁营玉,刘建政,许杏桃,等.基于电源电流和负载电流检测的前馈加反馈的三相四线制APF控制策略[J].电力自动化设备,2015,35(1):94-100.LIANG Yingyu,LIU Jianzheng,XU Xingtao,et al. Three-phase fourwire APF control strategy based on feed-current and feedback of power supply current and load current detection[J]. Electric Power Automation Equipment,2015,35(1):94-100.
[5] FENG L,WANG Y. Modeling and resonance control of modular three level shunt active power filter[J]. IEEE Transactions on Industrial Electronics,2017,45(12):1-10.
[6]张百乐,王久和,赵凤姣. TNPC型光伏并网逆变器的PCHD建模与控制[J].中国电机工程学报,2014,34(增刊1):204-210.ZHANG Baile,WANG Jiuhe,ZHAO Fengjiao. The PCHD model and control of TNPC PV grid-connected inverter[J]. Proceedings of the CSEE,2014,34(Supplement 1):204-210.
[7]胡健,陈文宪,陈冬冬,等.基于中线电流注入的三电平有源电力滤波器中点平衡策略[J].电网技术,2014,38(11):3160-3165.HU Jian,CHEN Wenxian,CHEN Dongdong,et al. A neutral current injection based neutral point potential control strategy for neutral point clamping based tri-level shunt active power filter[J]. Power System Technology,2014,38(11):3160-3165.
[8]黄海宏,江念涛,黄楠楠,等.三电平有源电力滤波器死区效应分析与补偿[J].电力自动化设备,2017,37(11):99-103.HUANG Haihong,JIANG Niantao,HUANG Nannan,et al. Dead zone effect analysis and compensation of three-level active power filter[J]. Electric Automation Equipment,2017,37(11):99-103.
[9]REZKALLAH M,SHARMA S K,CHANDRA A,et al. Lyapunov function and sliding mode control approach for solar-PV grid interface system[J]. IEEE Transactions on Industrial Electronics,2017,64(1):785-795.
[10]LI T,FEI J. Feedback linearization control of a shunt active power filter using a fuzzy controller[J]. International Journal of Advanced Robotic Systems,2013,10(9):332-338.
[11]孟超,李钷,洪永强.无变压器并联混合型有源电力滤波器的无源性控制[J].电力系统自动化,2013,37(7):108-112.MENG Chao,LI Po,HONG Yongqiang. A novel passive control strategy for transformerless shunt hybrid active power filter[J]. Automation of Electric Power Systems,2013,37(7):108-112.
[12]许胜,费树岷,赵剑锋.基于电容电流反馈的新型HAPF谐振抑制方法[J].电力自动化设备,2016,36(5):55-60.XU Sheng,FEI Shumin,ZHAO Jianfeng. Novel HAPF resonance suppression method based on capacitive current feedback[J]. Electric Power Automation Equipment,2016,36(5):55-60.
[13]王久和,杨秀媛.电网不平衡时电压型PWM整流器控制策略[J].中国电机工程学报,2011,31(18):14-20.WANG Jiuhe,YANG Xiuyuan. Control strategy of voltage source PWM rectifiers under unbalanced voltage conditions[J]. Proceedings of the CSEE,2011,31(18):14-20.
[14]MEHRASA M,LESAN S,EMENI S N H,et al. Passivity-based control with dual Lagrangian model of four-wire three-level three-phase NPC voltage-source rectifier[C]∥Compatibility and Power Electronics. Badajoz,Spain:IEEE,2009:411-418.
[15]马兴,刘会金,张振环,等.无源性控制策略在谐波/间谐波统一补偿的单相有源电力滤波器中的应用[J].电网技术,2015,39(5):1419-1424.MA Xing,LIU Huijin,ZHANG Zhenhuan,et al. Application of passive control strategy in single-phase active power filter for harmonic and inter-harmonics unity compensation[J]. Power System Technology,2015,39(5):1419-1424.
[16]王久和.电能变换器及其无源控制[M].北京:科学出版社,2013:59-76.
[17]薛花,王育飞.基于无源性的并联型有源滤波器自适应滑模控制[J].电力自动化设备,2011,31(9):60-64.XUE Hua,WANG Yufei. Passivity-based adaptive sliding mode control of shunt active filters[J]. Electric Power Automation Equipment,2011,31(9):60-64.
[18]MISSANDA A,AL-HADDAD K,MENDALEK N. Nonlinear control of three-phase three-level four-wire NPC converter[C]∥2016 IEEE International Conference on Industrial Technology(ICIT). Taipei,China:IEEE,2016:1254-1259.
[19]孙华,张晓,孔令军,等.三电平APF直流侧电容电压控制研究[J].电力电子技术,2011,45(5):49-51.SUN Hua,ZHANG Xiao,KONG Lingjun,et al. Research on the control algorithm of DV capacitor voltage for active power filter with a three-level inverter[J]. Power Electronics,2011,45(5):49-51.
[20]田铭兴,杨雪淞,阎宏,等.基于负载电流谐波特征的并联型有源电力滤波器交流电感额定值计算公式[J].电力自动化设备,2013,33(10):90-94.TIAN Mingxing,YANG Xuesong,YAN Hong,et al. Calculation formula of AC inductance rating of shunt active power filter based on harmonic characteristics of load current[J]. Electric Power Automation Equipment,2013,33(10):90-94.
[2]高范强,朱海滨,李子欣,等.三相角型APF补偿电流参考值计算方法[J].电网技术,2014,38(10):2919-2925.GAO Fanqiang,ZHU Haibin,LI Zixin,et al. Extraction method of compensation current reference for three-phase delta-connected active power filter[J]. Power System Technology,2014,38(10):2919-2925.
[3]杨新华,谢兴峰,马建立,等.并联有源滤波器的一种高可靠性控制策略[J].电力系统自动化,2015,39(5):128-133.YANG Xinghua,XIE Xingfeng,MA Jianli,et al. A high-reliability control strategy for shunt active filter[J]. Automation of Electric Power Systems,2015,39(5):128-133.
[4]梁营玉,刘建政,许杏桃,等.基于电源电流和负载电流检测的前馈加反馈的三相四线制APF控制策略[J].电力自动化设备,2015,35(1):94-100.LIANG Yingyu,LIU Jianzheng,XU Xingtao,et al. Three-phase fourwire APF control strategy based on feed-current and feedback of power supply current and load current detection[J]. Electric Power Automation Equipment,2015,35(1):94-100.
[5] FENG L,WANG Y. Modeling and resonance control of modular three level shunt active power filter[J]. IEEE Transactions on Industrial Electronics,2017,45(12):1-10.
[6]张百乐,王久和,赵凤姣. TNPC型光伏并网逆变器的PCHD建模与控制[J].中国电机工程学报,2014,34(增刊1):204-210.ZHANG Baile,WANG Jiuhe,ZHAO Fengjiao. The PCHD model and control of TNPC PV grid-connected inverter[J]. Proceedings of the CSEE,2014,34(Supplement 1):204-210.
[7]胡健,陈文宪,陈冬冬,等.基于中线电流注入的三电平有源电力滤波器中点平衡策略[J].电网技术,2014,38(11):3160-3165.HU Jian,CHEN Wenxian,CHEN Dongdong,et al. A neutral current injection based neutral point potential control strategy for neutral point clamping based tri-level shunt active power filter[J]. Power System Technology,2014,38(11):3160-3165.
[8]黄海宏,江念涛,黄楠楠,等.三电平有源电力滤波器死区效应分析与补偿[J].电力自动化设备,2017,37(11):99-103.HUANG Haihong,JIANG Niantao,HUANG Nannan,et al. Dead zone effect analysis and compensation of three-level active power filter[J]. Electric Automation Equipment,2017,37(11):99-103.
[9]REZKALLAH M,SHARMA S K,CHANDRA A,et al. Lyapunov function and sliding mode control approach for solar-PV grid interface system[J]. IEEE Transactions on Industrial Electronics,2017,64(1):785-795.
[10]LI T,FEI J. Feedback linearization control of a shunt active power filter using a fuzzy controller[J]. International Journal of Advanced Robotic Systems,2013,10(9):332-338.
[11]孟超,李钷,洪永强.无变压器并联混合型有源电力滤波器的无源性控制[J].电力系统自动化,2013,37(7):108-112.MENG Chao,LI Po,HONG Yongqiang. A novel passive control strategy for transformerless shunt hybrid active power filter[J]. Automation of Electric Power Systems,2013,37(7):108-112.
[12]许胜,费树岷,赵剑锋.基于电容电流反馈的新型HAPF谐振抑制方法[J].电力自动化设备,2016,36(5):55-60.XU Sheng,FEI Shumin,ZHAO Jianfeng. Novel HAPF resonance suppression method based on capacitive current feedback[J]. Electric Power Automation Equipment,2016,36(5):55-60.
[13]王久和,杨秀媛.电网不平衡时电压型PWM整流器控制策略[J].中国电机工程学报,2011,31(18):14-20.WANG Jiuhe,YANG Xiuyuan. Control strategy of voltage source PWM rectifiers under unbalanced voltage conditions[J]. Proceedings of the CSEE,2011,31(18):14-20.
[14]MEHRASA M,LESAN S,EMENI S N H,et al. Passivity-based control with dual Lagrangian model of four-wire three-level three-phase NPC voltage-source rectifier[C]∥Compatibility and Power Electronics. Badajoz,Spain:IEEE,2009:411-418.
[15]马兴,刘会金,张振环,等.无源性控制策略在谐波/间谐波统一补偿的单相有源电力滤波器中的应用[J].电网技术,2015,39(5):1419-1424.MA Xing,LIU Huijin,ZHANG Zhenhuan,et al. Application of passive control strategy in single-phase active power filter for harmonic and inter-harmonics unity compensation[J]. Power System Technology,2015,39(5):1419-1424.
[16]王久和.电能变换器及其无源控制[M].北京:科学出版社,2013:59-76.
[17]薛花,王育飞.基于无源性的并联型有源滤波器自适应滑模控制[J].电力自动化设备,2011,31(9):60-64.XUE Hua,WANG Yufei. Passivity-based adaptive sliding mode control of shunt active filters[J]. Electric Power Automation Equipment,2011,31(9):60-64.
[18]MISSANDA A,AL-HADDAD K,MENDALEK N. Nonlinear control of three-phase three-level four-wire NPC converter[C]∥2016 IEEE International Conference on Industrial Technology(ICIT). Taipei,China:IEEE,2016:1254-1259.
[19]孙华,张晓,孔令军,等.三电平APF直流侧电容电压控制研究[J].电力电子技术,2011,45(5):49-51.SUN Hua,ZHANG Xiao,KONG Lingjun,et al. Research on the control algorithm of DV capacitor voltage for active power filter with a three-level inverter[J]. Power Electronics,2011,45(5):49-51.
[20]田铭兴,杨雪淞,阎宏,等.基于负载电流谐波特征的并联型有源电力滤波器交流电感额定值计算公式[J].电力自动化设备,2013,33(10):90-94.TIAN Mingxing,YANG Xuesong,YAN Hong,et al. Calculation formula of AC inductance rating of shunt active power filter based on harmonic characteristics of load current[J]. Electric Power Automation Equipment,2013,33(10):90-94.
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