变频器课程设计————————————————————————————————作者:————————————————————————————————日期: 变频器课程设计题目:基于UC3637的直流PWM控制电路姓名:孙雷周超奇邓龙学号:103522012103522024103522051专业:电气工程及其自动化指导老师:邓方雄设计时间:································································································································································································································································································································································································································································································································································································································································································································································································································································································································································································································································································、计算机技术以及自动控制技术的迅速发展,电气传动技术正面临一场历史性的革命。变频器的快速发展得益于电力电子技术、计算机技术和自动控制技术及电机控制理论的发展。变频器的发展水平是由电力电子技术、电机控制方式以及自动化控制水平三个方面决定的。近年来,交流调速在国内外发展十分迅速,打破了过去直流拖动在调速领域中的统治地位,交流调速拖动已进入了与直流拖动相媲美、相竞争、相抗衡的时代,并有取代的趋势。变频器已应用于各行各业的多种设备,并成为当今节电,改造传统工业,改善工艺流程,提高生产过程自动化水平,提高产品质量,改善环境的主要技术之一。变频器技术是一种绿色技术,是国民经济和日常生活中普遍需要的新技术,也是国际上技术更新换代最快的领域之一。开关器件是变频器的核心器件,绝缘栅双极型晶体管(ICBT)投入市场以后,很快成为中小功率电力电子设备的主导器件,而且其电压、容量及开关频率性能还在提高。智能功率模块(IPM)集成了多个常规IGBT,为用户降低设计和生产成本提供了便利条件,并使系统的性能和可靠性得到了有效提高。IPM内部集成的驱动和保护电路可简化系统设计,其自我保护功
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