高压大功率串级调速系统中升压斩波电路的模块化设计
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摘要
针对高压大功率串级调速系统中升压斩波电路的实现问题,提出了一种机械结构模块化设计。该模块化设计主要由IGBT、续流二极管、电容组成,还包括连接铜排、连接铜柱、螺栓、绝缘板、绝缘薄膜、IGBT水冷板、IGBT光纤驱动板,并融入了接线方式、电气绝缘、电气间隙与爬电距离、水电隔离、光纤高低压隔离等设计思想,采用叠层母排设计及IGBT水冷散热方式,解决了升压斩波电路杂散电感过大、IGBT冷却效率低、并联回路结构设计困难、系统拓展与维护不易进行等问题,该模块化设计减小了斩波回路的体积,便于系统拓展与维护。
This paper aimed at the realization of boost chopping circuit in high pressure high-power cascade speed control system, proposed the mechanical structure modular design. This modular design was mainly composed of IGBT, freewheeling diode and capacitor, also included copper bars for connection, copper columns for connection, bolts, insulating boards, insulating film, water-cooling plate of IGBT, fiber driving plate of IGBT,and was merged into the design ideas just like connection mode, electrical insulation, electrical clearance and creepage distance, isolation of water and electricity, isolation of high and low voltage by fiber and so on, and solved the problems just like stray inductance is too large, parallel loop structure is difficult to design, development and maintenance of the system is difficult to implement and so on. This modular design reduced the volume of chopping circuit and was convenient for development and maintenance of the system.
This paper aimed at the realization of boost chopping circuit in high pressure high-power cascade speed control system, proposed the mechanical structure modular design. This modular design was mainly composed of IGBT, freewheeling diode and capacitor, also included copper bars for connection, copper columns for connection, bolts, insulating boards, insulating film, water-cooling plate of IGBT, fiber driving plate of IGBT,and was merged into the design ideas just like connection mode, electrical insulation, electrical clearance and creepage distance, isolation of water and electricity, isolation of high and low voltage by fiber and so on, and solved the problems just like stray inductance is too large, parallel loop structure is difficult to design, development and maintenance of the system is difficult to implement and so on. This modular design reduced the volume of chopping circuit and was convenient for development and maintenance of the system.
引文
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[2]方春城,陈树钦,谢跃鹏,李红光,孙培明,魏协奔.铝热轧大功率交流电动机的可控硅串级调速方法[J].机电工程技术,2016(08):71-74.
[3]张卓,王钦若,杨其宇,张程.基于状态空间的大功率转子斩波调速系统[J].电力电子技术,2015(02):41-43.
[4]张军伟,胡聪权,王兵树,郭宝增,王立玲.斩波串级调速系统逆变器改造的仿真研究[J].电气传动,2014(10):18-22+48.
[5]吴建雄,张洪浩,陈艺峰.多IGBT并联模块的交直流母排设计研究[J].大功率变流技术,2017(02):27-32.
[6]苑亚敏,常喜茂,周玉星,姜东海,马玥.多路并联高效节能的高压大功率斩波调速系统[J].电力科学与工程,2016(03):11-16.
[7]刘峰,马伯乐,杨光,忻力,陈玉其.大功率变流器模块主电路杂散电感分析[J].机车电传动,2013(06):15-19.
[8]项小娟,毛承雄,陆继明,李国栋.功率器件集成门极换流晶闸管关断特性研究[J].中国电机工程学报,2007(07):103-107.
[9]郭犇,李思奇,蒋晓华,Shinichi I.三相IGBT逆变器中的尖峰电压分析[J].电力电子技术,2010(10):91-93+115.
[10]张亮,张东,蔡旭.双馈型风力发电变换器主回路杂散电感的影响和抑制[J].中国电机工程学报,2009(36):18-22.
[11]周香全,张泰峰,罗马.杂散电感对晶闸管开关特性的影响[J].南开大学学报(自然科学版),2009(03):29-32+85.
[12]刘福东.大功率集成电子器件热仿真分析及液冷系统研究[D].哈尔滨工业大学,2014.
[13]Sajith V,Sobhan C B P.Characterization of Heat Dissipation From a Microprocessor Chip Using Digital Interferometry[J].Components,Packaging and Manufacturing Technology,IEEE Transactions on,2012,2(8):1298-1306.
[14]Cher M T,Chen S J,Kong J.Effects of Carbon Loading on the Performance of Functionalized Carbon Nanotube Polymer Heat Sink for High Power Light-Emitting Diode in Switching Applications[J].Nanotechnology,IEEE Transactions on,2013,12(6):1104-1110.