机载交流电源电压采样方法研究

机载三相交流电源电压的采集是对机载电源系统实现计算机测控的关键步骤,一般包括前端传感器信号调理放大电路、采样保持电路、A/D转换电路和数据转换及存储电路组成。分别从采样原理、工程实现等方面对峰值采样和有效值采样两种主要采集方式进行分析和研究,得出两种采样方式的优缺点和适用范围。本研究成果具有工程实际应用价值。

Study on the Sampling Method for Airborne AC Power Voltage

The sampling of airborne three-phase AC power voltage is a key procedure for airborne power system to realize computerized measurement and control; it usually consists of signal conditioning and amplifying circuit, sampling-holder circuit, A/D converter circuit and data processing and storage circuit. From aspects of sampling principle, engineering implementation and so on, two main sampling methods, peak detection and root mean square sampling methods, are analyzed and studied, respectively, a summary of advantages and disadvantages and the application scope of these two methods is given. The research results have practical value for engineering applications.