低压特种电机三相变频电源的研制  

Development of three-phase inverter power for special low-voltage motors

作　　者：曹虎[1] 李茂亮[1] 邓元实[1] 郭育华[1] 

机构地区：[1]西南交通大学磁浮技术与磁浮列车教育部重点实验室,四川成都610031

出　　处：《电子技术应用》2010年第11期79-81,85,共4页Application of Electronic Technique

摘　　要：分析了方波、SPWM和SVPWM三种调制算法的优缺点,并综合方波和SVPWM调制的优点,利用TI公司MSP430系列单片机设计了一款启动转矩大、输出电能质量的军用事低压特种电机三相变频电源。在高、低温环境下测试了变频电源驱动特种异步电机水泵负载下特性,并验证了变频电源的性能。This paper analyzed the advantages and disadvantages of square-wave, SPWM and SVPWM modulation algorithm that used in the three-phase inverter,and designed military three-phase inverter which has the characteristic of large starting torque and high output power quality and used for special low-vohage Induction motors by using TI＇s MSP430 MCU.Then tested its load features in high and low temperature environment using the load of induction motor pump, verified the reliability of the inverter.

关 键 词：数字PWM变频电源 电压空间矢量脉宽调制 MSP430单片机 

分 类 号：TM464[电气工程—电器] TN787[电子电信—电路与系统]