附属电路 meaning in English

circuit tributary

To show the designing and analyzing process of the control system , the article mainly discussed two parts . one is the power circuit part , which includes designing of the output fiher and the power transformer for the system , and also the way for igbt controlling and protecting . the other is control system for the inverter , which includes the way of producing spwm wave using microprocessor , the hard ware system of the inverter and the other assistant circuits
文中重点从两个方面分析了逆变电源控制装置的工作原理和系统设计，包括逆变电源输出滤波器的设计、逆变电源变压器的设计、 igbt的控制保护等，用单片机通过软件编程生成spwm调制波的方法、控制器硬件电路组成以及其它附属电路的开发设计等。