我想设计一个电源,交直交结构,输出为恒流2kA,电压0---50V,PWM波控制逆变IGBT部分,怎样反馈逻辑以实现恒流?用UC3875可以实现吗?
This thread has been locked.
If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.
我想设计一个电源,交直交结构,输出为恒流2kA,电压0---50V,PWM波控制逆变IGBT部分,怎样反馈逻辑以实现恒流?用UC3875可以实现吗?
个人的理解是,高频输出单级逆变就可以,霍尔元件直接采输出电流送进环路,给定和补偿在外部做,补偿输出信号送到EAOUT来调节PWM,不知道你是觉得哪个环节有问题