the intelligent electric energy meter

Accurate gauge of electric energy that trolley buses consumed is realized via the intelligent Watt-hour meter, making the scientific management of trolley bus power possible at the same time.

实际应用表明，该电能表可以实现无轨电车用电的准确计量，同时为用电的科学管理打下了基础。

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.

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。