感应加热电源中的倍频方式实现
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摘要
为了在保证开关管安全的前提下,以现有的器件条件来实现逆变器的高频化,本文研究了感应加热电源中的倍频方式实现。
首先介绍了感应加热的基本原理及感应加热技术的发展动态,分析比较了感应加热电源的谐振槽路和常用控制技术,选择了更适合高频应用的串联谐振来实现倍频式感应加热电源。
其次文中给出了一种新的倍频逆变拓扑结构以及吸收电路的参数设计方法,实现了电路工作频率的提高,以及功率器件开关条件的改善,降低了功率MOSFET转换过程中的损耗;通过对倍频逆变电路工作过程的分析,确定了倍频逆变电路的信号触发方式,解决了断路引起的尖峰电压的问题。进行了实验样机的软硬件设计和实现。
最后通过Pspice仿真及工作频率为100kHz的倍频式感应加热电源的实验样机的实验结果,验证了研究工作的可行性及正确性。
This paper researched the application of double frequency method in induction heating power supply with using existing devices to actualize high frequency inverter under the condition that ensuring the safety of the switch transistors.
Firstly, the paper introduced the basic principles and development trends of induction heating technology. It analyzed and compared resonance tank circuit and commonly used control techniques of the induction heating power. It selected series resonance which more suitable for high-frequency applications to achieve double frequency induction heating power.
Secondly, this paper proposed a new double frequency inverter topology and gave the parameters designing method of the snubber circuit .It realized the increasing of working frequency and improved the switching condition of power devices, and reduced the losses of the power MOSFETs in the process of conversion. Through the analysis of working process of double frequency inverter circuits, it determined the signal triggering mode of the double frequency inverter circuit and solved the problem of spike voltage caused by open circuit. It designed and implemented an experimental prototype.
Finally, through the Pspice simulation and the experimental results of the experimental prototype which working frequency was 100 kHz, it verified the feasibility and correctness of the research works.
首先介绍了感应加热的基本原理及感应加热技术的发展动态,分析比较了感应加热电源的谐振槽路和常用控制技术,选择了更适合高频应用的串联谐振来实现倍频式感应加热电源。
其次文中给出了一种新的倍频逆变拓扑结构以及吸收电路的参数设计方法,实现了电路工作频率的提高,以及功率器件开关条件的改善,降低了功率MOSFET转换过程中的损耗;通过对倍频逆变电路工作过程的分析,确定了倍频逆变电路的信号触发方式,解决了断路引起的尖峰电压的问题。进行了实验样机的软硬件设计和实现。
最后通过Pspice仿真及工作频率为100kHz的倍频式感应加热电源的实验样机的实验结果,验证了研究工作的可行性及正确性。
This paper researched the application of double frequency method in induction heating power supply with using existing devices to actualize high frequency inverter under the condition that ensuring the safety of the switch transistors.
Firstly, the paper introduced the basic principles and development trends of induction heating technology. It analyzed and compared resonance tank circuit and commonly used control techniques of the induction heating power. It selected series resonance which more suitable for high-frequency applications to achieve double frequency induction heating power.
Secondly, this paper proposed a new double frequency inverter topology and gave the parameters designing method of the snubber circuit .It realized the increasing of working frequency and improved the switching condition of power devices, and reduced the losses of the power MOSFETs in the process of conversion. Through the analysis of working process of double frequency inverter circuits, it determined the signal triggering mode of the double frequency inverter circuit and solved the problem of spike voltage caused by open circuit. It designed and implemented an experimental prototype.
Finally, through the Pspice simulation and the experimental results of the experimental prototype which working frequency was 100 kHz, it verified the feasibility and correctness of the research works.
引文
[1]沈争.IGBT高频谐振逆变控制研究[D].浙江:浙江大学,2006
[2]杨思俊,朱伯年.晶闸管中频电源基础知识[M].杭州:浙江科学出版社,1989
[3]潘天明.工频和中频感应炉[M].北京:冶金工业出版社,1983
[4]林渭勋.现代电力电子电路[M].浙江:浙江大学出版社,2002
[5]潘天明.现代感应加热装置[M].北京:冶金工业出版社,1996
[6]林渭勋.可控硅中频电源[M].北京:机械工业出版社,1983
[7]戚宗刚.串联感应加热电源技术的研究[D].浙江:浙江大学硕士学位论文,2004
[8]张素荣.基于DSP的高频感应加热电源控制系统的研究[D].西安:西安理工大学硕士学位论文,2004
[9]田健.超音频感应加热电源的研制[D].西安:西安理工大学硕士学位论文,2000
[10]孔令枝.全固态高频多管并联逆变电源的研究[D].西安:西安理工大学硕士学位论文,2004
[11]沈锦飞,颜文旭,惠晶,吴雷.钢丝热处理用大功率高频感应电源的研制[J].电力电子技术,2003,37(6):56-59
[12]何广敏,赵万生,王致良.影响MOSFET开关速度的因素分析[J].机械与电子,2000,(1):50-51
[13]谢勇.如何降低功率MOSFET的开关损耗[J].电工技术杂志,1995,(4):29-31
[14]周庆红.高频感应加热逆变电源扩容技术的研究[D].西安:西安理工大学硕士学位论文,2005
[15]王志良.电力电子新器件及其应用技术[M].北京:国防工业出版社.1995
[16]丁道宏.电力电子技术[M].北京:航空工业出版社,1992
[17]徐晓峰.IGBT逆变器吸收电路的研究[J].电力电子技术,1998,32(8):43-47
[18]McMurray,W.Efficient Snubbers for Voltage-Source Inverters,IEEE PESC85 proceedings,1985,pp.20-27
[19]李永东,倚鹏.大功率高性能逆变器技术发展综述[J].电气传动,2000,(6):3-8
[20]刘永龙.基于DSP的多电平逆变器谐波控制的分析与研究[D].西安:西安理工大学硕士学位论文,2007
[21]苏奎峰,吕强等.TMS320F2812原理与开发[M].北京:电子工业出版社,2005
[22]Ying J.P.Series Resonant Inverter with Cycle Control for Induction Heating,IPEMC94,1994:67-73
[23]张炳义,孙辛革.非晶态合金高频方波逆变电源输出变压器的分析和设计方法研究[J].变压器,1999,36(2):1-6
[24]周永鹏,罗泠,何顶新,蔡正英.三相SPWM双向逆变器电压控制的数字化设技[J].电力电子技术,2004,38(1):32-34
[25]Jain.P.K et al.Self-started Voltage-source Series-resonant Converter for High Power Induction Heating and Melting Application.IEEE IA,1998,34(3):518-524
[26]李朝阳.IGBT超音频感应加热电源[D].西安:西安理工大学硕士学位论文,1999
[27]张升国.电力变压器用铁心材料的回顾和展望[D].变压器,2000,37(11):19-21
[28]戴斌.基于滑模变结构控制感应加热电源的研究[D].西安:西安理工大学硕士学位论文,2007
[29]李喜福,李津福.稳流调压斩波器电源[J].天津大学学报,1999,32(3):397-399
[30]沈刚.高频感应加热频率跟踪控制电路的研究[D].西安:西安理工大学硕士学位论文,2004
[31]王华民,李朝阳.锁相技术在感应加热电源中的应用[J].西安理工大学学报,1999,1(15):52-55
[32]Bill Dion,Sarala Basireddy.Multilevel Inverters with Equal or Unequal Sources for Dual-Frequency Induction Heating[C],Applied Power Electronics Conf.2004,Nineteenth Annual IEEE,2004
[33]周跃庆,尹中明.基于DSP实现感应加热数字锁相环的研究[J].电力电子技术,2004,38(5):58-59
[34]李金刚,陈建洪,钟彦儒.基于DSP感应加热电源频率跟踪控制的实现[J].电力电子技术,2003,37(4):31-33
[2]杨思俊,朱伯年.晶闸管中频电源基础知识[M].杭州:浙江科学出版社,1989
[3]潘天明.工频和中频感应炉[M].北京:冶金工业出版社,1983
[4]林渭勋.现代电力电子电路[M].浙江:浙江大学出版社,2002
[5]潘天明.现代感应加热装置[M].北京:冶金工业出版社,1996
[6]林渭勋.可控硅中频电源[M].北京:机械工业出版社,1983
[7]戚宗刚.串联感应加热电源技术的研究[D].浙江:浙江大学硕士学位论文,2004
[8]张素荣.基于DSP的高频感应加热电源控制系统的研究[D].西安:西安理工大学硕士学位论文,2004
[9]田健.超音频感应加热电源的研制[D].西安:西安理工大学硕士学位论文,2000
[10]孔令枝.全固态高频多管并联逆变电源的研究[D].西安:西安理工大学硕士学位论文,2004
[11]沈锦飞,颜文旭,惠晶,吴雷.钢丝热处理用大功率高频感应电源的研制[J].电力电子技术,2003,37(6):56-59
[12]何广敏,赵万生,王致良.影响MOSFET开关速度的因素分析[J].机械与电子,2000,(1):50-51
[13]谢勇.如何降低功率MOSFET的开关损耗[J].电工技术杂志,1995,(4):29-31
[14]周庆红.高频感应加热逆变电源扩容技术的研究[D].西安:西安理工大学硕士学位论文,2005
[15]王志良.电力电子新器件及其应用技术[M].北京:国防工业出版社.1995
[16]丁道宏.电力电子技术[M].北京:航空工业出版社,1992
[17]徐晓峰.IGBT逆变器吸收电路的研究[J].电力电子技术,1998,32(8):43-47
[18]McMurray,W.Efficient Snubbers for Voltage-Source Inverters,IEEE PESC85 proceedings,1985,pp.20-27
[19]李永东,倚鹏.大功率高性能逆变器技术发展综述[J].电气传动,2000,(6):3-8
[20]刘永龙.基于DSP的多电平逆变器谐波控制的分析与研究[D].西安:西安理工大学硕士学位论文,2007
[21]苏奎峰,吕强等.TMS320F2812原理与开发[M].北京:电子工业出版社,2005
[22]Ying J.P.Series Resonant Inverter with Cycle Control for Induction Heating,IPEMC94,1994:67-73
[23]张炳义,孙辛革.非晶态合金高频方波逆变电源输出变压器的分析和设计方法研究[J].变压器,1999,36(2):1-6
[24]周永鹏,罗泠,何顶新,蔡正英.三相SPWM双向逆变器电压控制的数字化设技[J].电力电子技术,2004,38(1):32-34
[25]Jain.P.K et al.Self-started Voltage-source Series-resonant Converter for High Power Induction Heating and Melting Application.IEEE IA,1998,34(3):518-524
[26]李朝阳.IGBT超音频感应加热电源[D].西安:西安理工大学硕士学位论文,1999
[27]张升国.电力变压器用铁心材料的回顾和展望[D].变压器,2000,37(11):19-21
[28]戴斌.基于滑模变结构控制感应加热电源的研究[D].西安:西安理工大学硕士学位论文,2007
[29]李喜福,李津福.稳流调压斩波器电源[J].天津大学学报,1999,32(3):397-399
[30]沈刚.高频感应加热频率跟踪控制电路的研究[D].西安:西安理工大学硕士学位论文,2004
[31]王华民,李朝阳.锁相技术在感应加热电源中的应用[J].西安理工大学学报,1999,1(15):52-55
[32]Bill Dion,Sarala Basireddy.Multilevel Inverters with Equal or Unequal Sources for Dual-Frequency Induction Heating[C],Applied Power Electronics Conf.2004,Nineteenth Annual IEEE,2004
[33]周跃庆,尹中明.基于DSP实现感应加热数字锁相环的研究[J].电力电子技术,2004,38(5):58-59
[34]李金刚,陈建洪,钟彦儒.基于DSP感应加热电源频率跟踪控制的实现[J].电力电子技术,2003,37(4):31-33