SA4828组成的变频器的软件设计

利用大规模专用集成电路SA4828设计变频器,可以大大降低CPU的资源占用,简化硬件电路和软件编程。通过对SA4828进行初始化编程,可以方便地设定变频器的基本参数包括:载波频率、调制波频率范围、死区时间、最小删除脉宽、看门狗时间常数、输出波形、频率、幅值、正反转控制等。实验表明,由SA4828组成的变频器,电路简单,操作方便,运行稳定可靠。

Software Design for Inverter Consists of SA4828

Designing the inverter based on special LSIC SA4828 can greatly reduce the occupation for the microprocessor and simplifythe circuit and program. Through initially programming SA4828, the inverter' s basic parameters such as carrier frequency, range ofmodulated waveform, dead time, minimum deleted pulse width, time constant of watching dog, output waveform, frequency, aptitudeand forward or reverse rotation can be setup conveniently. The tested data shows that the inverter consisting of SA4828, which hasmuch simple structure can perform very stably and reliably.