梯形脉冲瞬变电磁发射机
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摘要
电磁发射机是瞬变电磁探测系统的重要组成部分。论文提出了一种单极性脉冲电流发射机,介绍了该发射机的设计电路,实现了发射电流、发射电压及延迟时间的测量。该发射机具有体积小、重量轻、发射电流延迟时间短、线性度高、幅值稳定等特点。经实验测试,其各项性能基本达到了设计要求。
Transient electromagnetic transmitter is an important part of the detection system.The paper proposes a unipolar pulse current transmitter and describes the design of the transmitter circuit to achieve the emission current,voltage and delay time of measurements.The transmitter has the feature of small size,light weight,emission current short delay time,high linearity and amplitude stable.Experiments show that the transmitter performance achieves the required specifications.
Transient electromagnetic transmitter is an important part of the detection system.The paper proposes a unipolar pulse current transmitter and describes the design of the transmitter circuit to achieve the emission current,voltage and delay time of measurements.The transmitter has the feature of small size,light weight,emission current short delay time,high linearity and amplitude stable.Experiments show that the transmitter performance achieves the required specifications.
引文
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[4]于生宝,林君.瞬变电磁法中发射机关断时间的影响研究[J].石油仪器,1999,13(6):15-17.YU Sheng-bao,Lin Jun.Study of the Effect of Transmitter Turn off Timeon Transient Electromagnetic Method[J].Petroleum instruments,1999,13(6):15-17.
[5]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,2001.6,23(2):245-251.BAI Deng-hai.The Effect of Two Types of Turn-off Current on theResponses and the Correction Techiques[J].Seismology and Geology,2001.6,23(2):245-251.
[6]杜茗茗,付志红,周雒维.馈能型恒压钳位双极性脉冲电流源[J].电工技术学报,2007,22(8):57-62.DU Ming-ming FU Zhi-hong ZHOU Luo-wei.Research onEnergy-Feedback and Constant Voltage Clamp Bipolar Pulse CurrentSource[J].Transactions of China Electrotechnical Society,2007,22(8):57-62.
[7]嵇艳鞠.浅层高分辨率全程瞬变电磁系统中全程二次场提取技术研究[D].吉林:吉林大学,2004,6.Ji Yanju.All-time Secondary Electromagnetic Field Extraction in Highresolution Transient Electromagnetic System For Subsurface Imaging[D].Ji lin:Jilin University,2004,6.
[8]付志红,周雒维,杜雄,杜茗茗.瞬变电磁法高动态电流陡脉冲发射电路研究[J].中国电机工程学报,2008,26(5):44-48.FU Zhi-hong,ZHOU Luo-wei.Research on High Fynamic Current SteepImpulse Transmitting Circuits for Transient Electromagnetic MethodApplication[J].Proceedings of the CSEE,2008,26(5):44-48.
[2]Spies B.P.and Frischknecht F.C.Electromagnetic Methods in AppliedGeophysics(ed.M.N,Nabighian)[J].electromagnetic sounding.Society ofExlporation Geophysicists.
[3]刘慧敏,刘毅.电子式电能表电快瞬变脉冲群抗扰度试验方法探讨[J].电测与仪表,2010,47(8):12-15.LIU Hui-min,LIU Yi.Discussion on Electronic Energy Meter's FastTransient Burst Immunity Testing Methods[J].Electrical Measurement&Instrumentation,2010,47(8):12-15.
[4]于生宝,林君.瞬变电磁法中发射机关断时间的影响研究[J].石油仪器,1999,13(6):15-17.YU Sheng-bao,Lin Jun.Study of the Effect of Transmitter Turn off Timeon Transient Electromagnetic Method[J].Petroleum instruments,1999,13(6):15-17.
[5]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,2001.6,23(2):245-251.BAI Deng-hai.The Effect of Two Types of Turn-off Current on theResponses and the Correction Techiques[J].Seismology and Geology,2001.6,23(2):245-251.
[6]杜茗茗,付志红,周雒维.馈能型恒压钳位双极性脉冲电流源[J].电工技术学报,2007,22(8):57-62.DU Ming-ming FU Zhi-hong ZHOU Luo-wei.Research onEnergy-Feedback and Constant Voltage Clamp Bipolar Pulse CurrentSource[J].Transactions of China Electrotechnical Society,2007,22(8):57-62.
[7]嵇艳鞠.浅层高分辨率全程瞬变电磁系统中全程二次场提取技术研究[D].吉林:吉林大学,2004,6.Ji Yanju.All-time Secondary Electromagnetic Field Extraction in Highresolution Transient Electromagnetic System For Subsurface Imaging[D].Ji lin:Jilin University,2004,6.
[8]付志红,周雒维,杜雄,杜茗茗.瞬变电磁法高动态电流陡脉冲发射电路研究[J].中国电机工程学报,2008,26(5):44-48.FU Zhi-hong,ZHOU Luo-wei.Research on High Fynamic Current SteepImpulse Transmitting Circuits for Transient Electromagnetic MethodApplication[J].Proceedings of the CSEE,2008,26(5):44-48.
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