本发明测量精度高，为电力用户和供电公司全面准确的测量电力负荷的用电功率提供了一个行之有效的方法。
The invention has high measuring accuracy and provides an effective method for power consumers and power supply companies to measure power consumption of electric loads comprehensively and accurately.
迄今为止，意大利是这方面的先行者，那里主要电力公司Enel自2001年以来，已经为其用户安装了三千多万智能电表。
So far the pioneer is Italy, where the main utility, Enel, has deployed more than 30m smart meters to its customers since 2001.
目前，正在大型钢铁企业、电力系统正常运行，为各类用户进行电能质量的监测提供了强有力的工具。
As an effective way to detect power quality, the monitoring instrument is working well in many large steel enterprises and power departments.
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