单相PWM整流器IGBT及直流侧电容故障诊断方法
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摘要
单相PWM整流器是列车牵引变流器的重要组成部分,主要由IGBT、直流侧电容两大关键部件组成,其运行状态对列车的安全运行至关重要。针对单相PWM整流器IGBT故障时输入电流畸变特性,提出基于小波变换和D-S证据理论相结合的IGBT故障诊断方法;针对直流侧电容等效电路的阻抗特性,提出基于等效串联电阻(ESR)的直流侧电容故障诊断方法。搭建单相PWM整流器仿真模型和实验平台,分别对所提出的IGBT及直流侧电容故障诊断方法进行仿真和实验研究。仿真和实验结果相符,验证了所提出的IGBT及直流侧电容故障诊断方法的正确性和有效性。
Single-phase PWM rectifier is an important part of the train traction converter, which is mainly composed of IGBT and DC-link capacitor, their running status are crucial to the safe operation of the train. Aiming at the current distortion characteristic of single-phase PWM rectifier with IGBT fault, this paper presented an IGBT fault diagnosis method based on wavelet transform and D-S evidence theory. Aiming at the impedance characteristic of the DC-link capacitor equivalent circuit,this paper presented a DC-link capacitor fault diagnosis method based on equivalent series resistance(ESR). The simulation model and a test platform of single-phase PWM rectifier were built, to simulate and test the proposed fault diagnosis method. The experimental results were consistent with the simulation results, verifying the correctness and validity of the proposed fault diagnosis methods.
Single-phase PWM rectifier is an important part of the train traction converter, which is mainly composed of IGBT and DC-link capacitor, their running status are crucial to the safe operation of the train. Aiming at the current distortion characteristic of single-phase PWM rectifier with IGBT fault, this paper presented an IGBT fault diagnosis method based on wavelet transform and D-S evidence theory. Aiming at the impedance characteristic of the DC-link capacitor equivalent circuit,this paper presented a DC-link capacitor fault diagnosis method based on equivalent series resistance(ESR). The simulation model and a test platform of single-phase PWM rectifier were built, to simulate and test the proposed fault diagnosis method. The experimental results were consistent with the simulation results, verifying the correctness and validity of the proposed fault diagnosis methods.
引文
[1]谢东,葛兴来.基于残差变化率的单相级联H桥整流器IGBT开路故障诊断[J].电工技术学报,2018,33(16):3822-3834.Xie Dong,Ge Xinglai.Residual-changing-rate based open-circuit fault diagnosis for a single-phase cascaded H-bridge rectifier[J].Transactions of China Electrotechnical Society,2018,33(16):3822-3834.
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[16]田中大,李树江,王艳红,等.基于小波变换的风电场短期风速组合预测[J].电工技术学报,2015,30(9):112-120.Tian Zhongda,Li Shujiang,Wang Yanhong,et al.Short-term wind speed combined prediction for wind farms based on wavelet transform[J].Transactions of China Electrotechnical Society,2015,30(9):112-120.
[17]黄亮,唐炬,凌超,等.基于多特征信息融合技术的局部放电模式识别研究[J].高电压技术,2015,41(3):947-955.Huang Liang,Tang Ju,Ling Chao,et al.Pattern recognition for partial discharge based on multifeature fusion technology[J].High Voltage Engineering2015,41(3):947-955.
[18]李玲玲,刘敬杰,凌跃胜,等.物元理论和证据理论相结合的电能质量综合评估[J].电工技术学报,2015,30(12):383-391.Li Lingling,Liu Jingjie,Ling Yuesheng,et al.Power quality comprehensive evaluation based on matterelement theory and evidence theory[J].Transactions of China Electrotechnical Society,2015,30(12):383-391.
[19]陈国炎,张哲,尹项根,等.基于证据理论融合的广域后备保护新方法[J].电工技术学报,2014,29(10):246-255.Chen Guoyan,Zhang Zhe,Yin Xianggen,et al.Anew algorithm of wide area backup protection based on evidence theory fusion[J].Transactions of China Electrotechnical Society,2014,29(10):246-255.
[20]卢其威,王涛,李宗睿,等.基于小波变换和奇异值分解的串联电弧故障检测方法[J].电工技术学报,2017,32(17):208-217.Lu Qiwei,Wang Tao,Li Zongrui,et al.Detection method of series arcing fault based on wavelet transform and singular value decomposition[J].Transactions of China Electrotechnical Society,2017,32(17):208-217.
[21]王新,赵文昌.H桥逆变器电解电容参数性故障特征提取[J].电子测量技术,2016,39(6):159-162.Wang Xin,Zhao Wenchang.Fault feature extraction of electrolysis capacitor parametric for H-brige inverter[J].Electronic Measurement Technology,2016,39(6):159-162.
[22]Imam A M,Divan D M,Harley R G.Real-time condition monitoring of the electrolytic capacitors for power electronics application[C]//Applied Power Electronics Conference,Anaheim,2007:1057-1061.
[23]Aeloiza E,Kim J H,Enjeti P.A real time method to estimate electrolytic capacitor condition in PWMadjustable speed drives and uninterruptible power supplies[C]//Power Electronics Specialists Conference Recife,2005:2867-2872.
[24]Vogelsberger M A,Wiesinger T,Ertl H.Life-cycle monitoring and voltage-managing unit for DC-link electrolytic capacitors in PWM converters[J].IEEETransactions on Power Electronics,2010,26(2):493-503.
[25]贾云涛,张建永,岳伟.电解电容器的参数性故障识别方法[J].电子测量技术,2013,36(7):36-39.Jia Yuntao,Zhang Jianyong,Yue Wei.Parameter identification method for electrolytic capacitors[J].Electronic Measurement Technology,2013,36(7):36-39.
[2]顾马荣,沈佳,龚立峰,等.PWM整流器主回路开关器件故障诊断[J].电气传动,2018,48(1):76-80.Gu Marong,Shen Jia,Gong Lifeng,et al.Fault diagnosis of main circuit switching device in PWMrectifier[J].Electric Drive,2018,48(1):76-80.
[3]Sleszynski W,Nieznanski J,Cichowski A.Opentransistor fault diagnostics in voltage-source inverters by analyzing the load currents[J].IEEE Transactions on Industrial Electronics,2009,56(11):4681-4688.
[4]高鑫哲,杜明星,魏克新.一种PWM整流器IGBT开路故障诊断方法[J].电气传动,2014,44(7):63-67.Gao Xinzhe,Du Mingxing,Wei Kexin.An diagnosis method for PWM rectifier IGBT open-fault[J].Electric Drive,2014,44(7):63-67.
[5]Picas R,Zaragoza J,Pou J,et al.Reliable modular multilevel converter fault detection with redundant voltage sensor[J].IEEE Transactions on Power Electronics,2017,32(1):39-51.
[6]任磊,韦徵,龚春英,等.电力电子电路功率器件故障特征参数提取技术综述[J].中国电机工程学报,2015,35(12):3089-3101.Ren Lei,Wei Zheng,Gong Chunying,et al.Fault feature extraction techniques for power devices in power electronic converters:a review[J].Proceedings of the CSEE,2015,35(12):3089-3101.
[7]Flicker J,Kaplar R,Marinella M,et al.Lifetime testing of metallized thin film capacitors for inverter applications[C]//Photovoltaic Specialists Conference,Tampa,2013:3340-3342.
[8]Amaral A M R,Cardoso A J M.A simple offline technique for evaluating the condition of aluminumelectrolytic-capacitors[J].IEEE Transactions on Industrial Electronics,2009,56(8):3230-3237.
[9]Venet P,Perisse F,El-Husseini M H.Realization of a smart electrolytic capacitor circuit[J].IEEE Industry Applications Magazine,2002,8(1):16-20.
[10]Yao Kai,Tang Weijie,Hu Wenbin,et al.A currentsensorless online ESR and C identification method for output capacitor of Buck converter[J].IEEE Transactions on Power Electronics,2015,30(12):6993-7005.
[11]唐伟杰,姚凯,胡文斌,等.一种无电流传感器的CCM Buck变换器输出电容ESR和C的在线监测方法[J].中国电机工程学报,2015,35(21):5569-5576.Tang Weijie,Yao Kai,Hu Wenbin,et al.An online monitoring scheme of output capacitor’s ESR and Cfor CCM Buck converters without current sensors[J].Proceedings of the CSEE,2015,35(21):5569-5576.
[12]Vogelsberger M A,Wiesinger T,Ertl H.Life-cycle monitoring and voltage-managing unit for DC-link electrolytic capacitors in PWM converters[J].IEEETransactions on Power Electronics,2011,26(2):493-503.
[13]孙凤艳,王友仁,崔江,等.功率变换电路电解电容器故障预测方法研究[J].电子测量与仪器学报,2010,24(1):29-33.Sun Fengyan,Wang Youren,Cui Jiang,et al.Research on failure prediction method of electrolytic capacitor used in power conversion circuit[J].Journal of Electronic Measurement and Instrument,2010,24(1):29-33.
[14]关维国,姚清志,高阳,等.基于db4小波的配电网暂态电能质量扰动的检测与定位[J].电力系统保护与控制,2015,43(8):102-106.Guan Weiguo,Yao Qingzhi,Gao Yang,et al.Transient power quality detection and location of distribution network based on db4 wavelet transform[J].Power System Protection and Control,201543(8):102-106.
[15]刘冲,李佳鸿.基于小波变换与差值能量法相结合的串联故障电弧检测方法[J].电气技术,2017,18(12):62-66.Liu Chong,Li Jiahong.Arc fault detection based on wavelet transform and difference-energy[J].Electrical Engineering,2017,18(12):62-66.
[16]田中大,李树江,王艳红,等.基于小波变换的风电场短期风速组合预测[J].电工技术学报,2015,30(9):112-120.Tian Zhongda,Li Shujiang,Wang Yanhong,et al.Short-term wind speed combined prediction for wind farms based on wavelet transform[J].Transactions of China Electrotechnical Society,2015,30(9):112-120.
[17]黄亮,唐炬,凌超,等.基于多特征信息融合技术的局部放电模式识别研究[J].高电压技术,2015,41(3):947-955.Huang Liang,Tang Ju,Ling Chao,et al.Pattern recognition for partial discharge based on multifeature fusion technology[J].High Voltage Engineering2015,41(3):947-955.
[18]李玲玲,刘敬杰,凌跃胜,等.物元理论和证据理论相结合的电能质量综合评估[J].电工技术学报,2015,30(12):383-391.Li Lingling,Liu Jingjie,Ling Yuesheng,et al.Power quality comprehensive evaluation based on matterelement theory and evidence theory[J].Transactions of China Electrotechnical Society,2015,30(12):383-391.
[19]陈国炎,张哲,尹项根,等.基于证据理论融合的广域后备保护新方法[J].电工技术学报,2014,29(10):246-255.Chen Guoyan,Zhang Zhe,Yin Xianggen,et al.Anew algorithm of wide area backup protection based on evidence theory fusion[J].Transactions of China Electrotechnical Society,2014,29(10):246-255.
[20]卢其威,王涛,李宗睿,等.基于小波变换和奇异值分解的串联电弧故障检测方法[J].电工技术学报,2017,32(17):208-217.Lu Qiwei,Wang Tao,Li Zongrui,et al.Detection method of series arcing fault based on wavelet transform and singular value decomposition[J].Transactions of China Electrotechnical Society,2017,32(17):208-217.
[21]王新,赵文昌.H桥逆变器电解电容参数性故障特征提取[J].电子测量技术,2016,39(6):159-162.Wang Xin,Zhao Wenchang.Fault feature extraction of electrolysis capacitor parametric for H-brige inverter[J].Electronic Measurement Technology,2016,39(6):159-162.
[22]Imam A M,Divan D M,Harley R G.Real-time condition monitoring of the electrolytic capacitors for power electronics application[C]//Applied Power Electronics Conference,Anaheim,2007:1057-1061.
[23]Aeloiza E,Kim J H,Enjeti P.A real time method to estimate electrolytic capacitor condition in PWMadjustable speed drives and uninterruptible power supplies[C]//Power Electronics Specialists Conference Recife,2005:2867-2872.
[24]Vogelsberger M A,Wiesinger T,Ertl H.Life-cycle monitoring and voltage-managing unit for DC-link electrolytic capacitors in PWM converters[J].IEEETransactions on Power Electronics,2010,26(2):493-503.
[25]贾云涛,张建永,岳伟.电解电容器的参数性故障识别方法[J].电子测量技术,2013,36(7):36-39.Jia Yuntao,Zhang Jianyong,Yue Wei.Parameter identification method for electrolytic capacitors[J].Electronic Measurement Technology,2013,36(7):36-39.
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