regulating current

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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MCU get timing reference by zero-crossing detection. It compare the current speed feedback with the object feedback, and control the conduction phase and time using PWM mode to realize the stable speed-regulating of AC PG-motor.

单片机通过过零检测获取计时基准，比较当前转速反馈与目标反馈，采用脉宽调制PWM方式来控制三端双向可控硅开关器件的导通相位角及导通时间，实现交流PG电机的平稳调速。

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The current Accounting System of Colleges and Universities, based on the cash basis plays an active role in regulating the accounting system and ensuring accounting information quality.

以收付实现制为记帐基础的现行《高等学校会计制度》对规范高等学校会计核算、保证会计信息质量起到了积极的作用。

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Other regulating or stabilizing voltage & current .

其他电压,稳压, 恒流 用途.

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The test showed that the magnetic field added to MIG welding process for aluminum alloy could be controlled by regulating parameters of the device, intermittent time and output current to achieve good welds.

试验表明，该装置的参数调节范围大，操作方便。通过调节装置的频率、间歇时间和输出电流来控制铝合金MIG焊过程施加的磁场参数，有效地改善了铝合金的焊缝形貌。

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The paper describes the current key issues that need to be solved urgently at first, and then points out, it is necessary to strengthen territorial development planning and regulating. The main tasks in the field are identified.

本文在分析我国当前国土开发中急需解决的主要问题的基础上，明确加强国土规划和调控的主要任务。

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The output current and voltage zero regulation are achieved through the close cycle control of the unsteady flow of thyristor and the pressure regulating device by means of the thyristor digit trigger composed of monolithic computers processors and by the use of PIB regulating technique.

用单片机组成晶闸管数字触发器，并结合PID调节技术，对晶闸管变流、调压装置进行闭环控制，实现输出电流、电压无差调节。

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It proposes the regulating principle, the characteristics of controlled reactance, analyzes the circuit power regulating characteristics, and describes the regularity of the regulating device's current, voltage and the needed capacity while the parameters varying.

文章阐明了调节原理、可控电抗特性、分析了线路功率调节特性，调节装置电流、电压和所需容量随调节参数的变化规律。

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The speed-regulating system for control of the slip vector conversion of the asynchronous motor powered by the current inverse transformer is introduced. The structure and principle of the system are discussed in detail.

阐述了由电流型逆变器供电的异步电动机转差型矢量变换控制的一种调速系统，对系统的结构和系统的原理作了比较详细的论述。

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This paper discussed synchronous circuit, voltage and current regulating circuit, current sharing circuit, protection circuit, driving circuit of the control circuit, control systems.

同时讨论了控制电路中同步电路原理、电压环电流环调节电路、均流电路、保护电路、驱动电路等。

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