The paper introduced some debugging problems and solving methods according to DC speed regulating system of reversible magnetic field and logical control without circular current.
针对磁场可逆的逻辑无环流直流调速系统，介绍了调试过程中出现的一些问题及处理方法。
Since the tax federalism, current local taxation system has played an important role in ensuring local financial revenues and regulating economic operation.
分税制实行以来，现行地方税制对确保地方财政收入和调控经济运行发挥了重要作用。
According to the adjusting principle of current bi-colsed, PLC and 6ra70 digital DC speed regulating device is adopted, which controls over the system of the rolling mill.
根据电流双闭环调速原理，采用6ra70直流全数字调速装置与P LC结合，控制材轧机电系统。
The paper also deals with current protection strategy employed in chopper's speed regulating system.
文章还介绍了斩波调速系统所采取的电流保护策略。
Aiming at the control accuracy of rotational speed resulting from direct current speed regulation system, a direct current speed regulating system depending on CNC is proposed.
针对直流调速系统对转速的控制精度问题，提出了一种采用CNC的直流调速系统。
The system software involves five main modules: initialization module, phase-changing module, current-regulating module, speed-regulating module and timer interrupt module.
软件分为五块：主程序中的初始化模块、换相子程序模块、电流调节、速度调节子程序模块，定时器中断程序模块。
The system software involves five main modules: initialization module, phase-changing module, current-regulating module, speed-regulating module and timer interrupt module.
软件分为五块：主程序中的初始化模块、换相子程序模块、电流调节、速度调节子程序模块，定时器中断程序模块。
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