两种新颖的准谐振型电流陡脉冲整形电路
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摘要
为了减小瞬变电磁发射机电流脉冲关断延时、提高下降沿线性度、改善电流正负下降沿波形一致性,提出耗能型、馈能型两种准谐振型电流陡脉冲整形电路。推导关断延时、下降沿线性度与整形电路元件参数、供电电压、电压应力的关系,提出电路参数优化计算数学模型。通过与RCD电路的对比分析、软件仿真和实验,结果表明两种整形电路关断延时小,线性度较好,电流无过冲现象,并具有与供电电压无关的特性。其中馈能型整形电路具有上升沿提升能力,耗能型整形电路具有关断延时更小的特点,适合大电感负载情况下产生稳定的、精准的电流陡脉冲,目前耗能型整形电路已在瞬变电磁发射机中得到成功应用。
In order to decrease the turn-off time, improve the linearity of transient electromagnetic transmitter on high power project, and ameliorate the turn-off consistency, two novel quasi-resonant rectifying circuits for steep current impulse are presented, with analysis about the principle of energy-dissipation and energy-feedback circuits, in which the relationships among turn-off time, linearity and device parameters, source voltage, voltage stress are deduced. As a result, two optimizing models for device parameters are proposed. Compared with RCD snubber by PSim, Matlab and further experiments, it is concluded that proposed rectifying circuits have less turn-off time, while eliminating the current over-shot and improving the turn-off consistency, by comparison with the other published snubbers. Besides, the energy-feedback rectifying circuit can accelerate the ascending of current, the energy-dissipation rectifying circuit have the least turn-off time,while the proposed rectifying circuits are suitable for generating stabilizing and accurate steep current impulse on high inductance load.The energy-feedback rectifying circuit has been applied to transient electromagnetic transmitters.
In order to decrease the turn-off time, improve the linearity of transient electromagnetic transmitter on high power project, and ameliorate the turn-off consistency, two novel quasi-resonant rectifying circuits for steep current impulse are presented, with analysis about the principle of energy-dissipation and energy-feedback circuits, in which the relationships among turn-off time, linearity and device parameters, source voltage, voltage stress are deduced. As a result, two optimizing models for device parameters are proposed. Compared with RCD snubber by PSim, Matlab and further experiments, it is concluded that proposed rectifying circuits have less turn-off time, while eliminating the current over-shot and improving the turn-off consistency, by comparison with the other published snubbers. Besides, the energy-feedback rectifying circuit can accelerate the ascending of current, the energy-dissipation rectifying circuit have the least turn-off time,while the proposed rectifying circuits are suitable for generating stabilizing and accurate steep current impulse on high inductance load.The energy-feedback rectifying circuit has been applied to transient electromagnetic transmitters.
引文
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[15]付志红,苏向丰,周雒维.功率器件IGBT串联的移相控制技术[J].重庆大学学报,2003,26(2):113-116.Fu Zhihong,Su Xiangfeng,Zhou Luowei.A phase-shiftingcontrolling technique for series connection of IGBTs[J].Journal of ChongQing University,2003,26(2):113-116.
[2]白登海.瞬变电磁法中两种关断电流对响应函数的影响及其应对策略[J].地震地质,2001,23(2):245-251.Bai Denghai.The effect of two types of turn-off current on TEM responses and the correction techniques[J].Seismology and Geology,2001,23(2):245-251.
[3]牛之琏.时间域电磁法原理[M].长沙:中南工业大学出版社,1992.
[4]Robinson F V P,Willianms B W.Active or passive snubbing for fast switches[J].IEEE IECON record,1998,23(10):617-622.
[5]赵正毅,魏念荣,赵良炳,等.一般缓冲电路的模型及三电平IGBT变流器内外元件电压不平衡机理[J].中国电机工程学报,2000,20(6):30-34.Zhao Zhengyi,Wei Nianrong,Zhao Liangbing,et al.Modeling for general snubber circuits and the reason for voltage unbalance between the inner and outer devices in three level IGBT converters[J].Proceedings of the CSEE,2000,20(6):30-34.
[6]吴洪洋,邓焰,何湘宁.一种新颖的多电平逆变器无源无损吸收电路[J].中国电机工程学报,2002,22(10):71-76.Wu Hongyang,Deng Yan,He Xiangning.A novel passive lossless snubber for multilevel inverters[J].Proceedings of the CSEE,2002,22(10):71-76.
[7]邓焰,吴燮华,何湘宁,等.一种新型高功率逆变桥臂无源无损耗吸收电路[J].中国电机工程学报,2000,20(3):5-9.Deng Yan,Wu Xiehua,He Xiangning,et al.A novel passive lossless snubber for power inverter bridge legs[J].Proceedings of the CSEE,2000,20(3):5-9.
[8]唐欣,罗安,李刚.大功率绝缘栅双极晶体管模块缓冲电路的多目标优化设计[J].中国电机工程学报,2004,24(11):144-147.Tang Xin,Luo An,Li Gang.Multi-objective optimal design of snubber circuits for high power IGBT Modules[J].Proceedings of the CSEE,2004,24(11):144-147.
[9]杜雄,周雒维,谢品芳.直流侧APF主电路参数与补偿性能的关系[J].中国电机工程学报,2004,24(11):39-42.Du Xiong,Zhou Luowei,Xie Pinfang.The relationship between compensation performance and main circuit parameter of DC side APF[J].Proceedings of the CSEE,2004,24(11):39-42.
[10]王汝文,姚建军,苏丽花.斩控交流调压器开关缓冲电路参数的优化[J].西安交通大学学报,2003,37(2):127-131.Wang Ruwen,Yao Jianjun,Su Lihua.Parameter optimization of snubber for switch of AC voltage regulator with chop control[J].Journal of Xi′an JiaoTong University,2003,37(2):127-131.
[11]李正国,罗安,马国喜.大功率静止同步补偿装置IGBT模块吸收保护电路参数的多目标优化设计[J].电网技术,2004,28(13):40-44.Li Zhengguo,Luo An,Ma Guoxi.Multi-objective optimal design of IGBT snubber circuit parameters for high power statcom[J].Power System Technology,2004,28(13):40-44.
[12]孙淑琴.改善发射机电流波形的电路与实验[J].长春邮电学院学报,2001,19(2):28-33.Sun Shuqin.Circuit design and experiment on improving current wave in transmitter[J].Journal of ChangChun Post and Telecommunication Institute,2001,19(2):28-33.
[13]曹建章,宋建平,唐天同.功率MOSFET开关电路的吸收回路实验研究[J].电力电子技术,1997,31(4):58-60.Cao Jianzhang,Song Jianping,Tang Tiantong.Experimental development of the snubber circuit for power MOSFET switch circuit[J].Power Eclectronics,1997,31(4):58-60.
[14]Turoskey P,Zach S.Deep earth detection by EM signals[C].The21st IEEE Convention of the Electrical and ELectronic Engineers,Israel,2000:175-178.
[15]付志红,苏向丰,周雒维.功率器件IGBT串联的移相控制技术[J].重庆大学学报,2003,26(2):113-116.Fu Zhihong,Su Xiangfeng,Zhou Luowei.A phase-shiftingcontrolling technique for series connection of IGBTs[J].Journal of ChongQing University,2003,26(2):113-116.
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