A novel fundamental frequency and initial phase detection method based on DSP is proposed, which can be used to get synchronous fundamental frequency voltage or current signals of power system.

提出了一种基于数字信号处理器的基波相位和频率校正检测方法，可用于电力系统中电压或电流基波分量同步信号的获取。

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The paper respectively studies detection technique of the current, voltage and power conduction interference in the electrical installations, discuss is the measure methods and its experience.

分别研究了电气设备的电流、电压和功率传导干扰的检测技术，阐述了其测量方法和经验。

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It has functions of dynamic power management (DPM), depleted battery detection and pulse width modulator (PWM) to accurately control battery charge current and voltage.

它具有动态电源管理(dpm)、利用脉宽调制控制(PWM)充电电流和电压、耗尽电池检测等功能。

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