ac mains meaning in English
交流电的电源
交流馈电线
交流市电
Examples
- Based on studying of the multi - level technique , a variable frequency speed regulation system based on the diode clamped three - level inverter is introduced in this thesis in detail . it includes ac - dc - ac main power circuit , snubber circuit , isolated driving circuit by optical fibre , delay time circuit on powering , sampling circuit of current and voltage , protection circuit and etc . a distributed power system ( dps ) which can reinforced the system ’ s security is developed to solve the power supply of the whole system
本文在研究多电平技术的基础上,研制了一套以二极管箝位式三电平逆变器为基础的变频调速系统,包括:交-直-交主功率电路,缓冲电路,光纤隔离驱动电路,上电缓冲延时电路,电流、电压采样电路,保护电路等。 - It takes much space to expatiates the strong function of the sixteen - bits singlechip which control the winding machine to the whole running . there is a deeper study for the two electromotors ' ( ac main electromotor and step motor ) using and driving circuit for actual winding , . i also expatiated the detect of those signals . the control program which has been compiled and simulated to debug is listed in the end of the dissertation
本文重点阐述了16位单片机在绕线机整体控制中所显示出来的强大功能，并对用于实施具体绕线的两个电机(交流主电机和步进电机)的使用与驱动电路作了比较深入的研究，对于信号的检测有较详细的阐述，在文末列出了已通过编译仿真调试的用c语言所编写的控制程序，并对程序分段进行分析。