| 1. | Intelligent electricity quantity concentration display instrument is a kind of intelligent instrument used to measure combined parameter of ac electricity quantity , which can simultaneously measure each phase electricity parameter in the tri - phase ac loop such as voltage , current , active power , reactive power , apparent power , power factor , frequency , active kilowatt hour , reactive kilovolt ampere - hour and so on
智能电量集中显示仪是一种用于交流电量综合参数测量的智能仪表,它可以同时测量三相交流回路的每一相电压电流有功功率无功功率视在功率功率因数频率有功电度无功电度等参数。 |
