在此基础上研究了电能质量监测理论，详细介绍了电压电流有效值、功率、三相不平衡度、谐波和闪变的数字测量方法。
Based on this requirement, this paper introduced the theory of power quality monitoring, include RMS of voltage and current, power, three-phase unbalance, harmonic and flicker.
介绍了以ad7757电能计量芯片为核心，设计一种测量市电有效功率的智能电度表的方法。
This article introduced take the AD7757 electrical energy measurement chip as the core, designs one kind of survey city electricity active power the intelligent electric meter method.
基于ADE7758开发的功能更完善的电能计量校验仪还能实现无功功率、视在功率和频率的测量。
The enganced one based on ADE7758 can measure reactive power, visual power and frequency yet.
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