Note3 : for active power alarm , high , low alarm within instrument can combine arbitrary 注3 ：对有功功率报警，上下报警仪表内部可任意组合。
This instrument is approved as within three phase ac circuit single loop active power monitor 本表默认为三相交流电路中单回路有功功率的监测。
The method of both active power measuring and the analysis of the nonlinear measuring error in its power measurement circuit 电动系功率表测量非正弦单相有功功率的读数推证
Ffi . the adjustment of frequency and active power and the adjustment of voltage and reactive power 发电机并联运行仿真； 3 、频率和有功功率的调整，电压和无功功率的调整； 4
In the transporting and assigning process of the electric power , the active power loss and electric power lose of the electric power net are known as the line loss 在电能输送和分配过程中,电力网的有功功率损失和电能损失统称为线路损失,简称线损。
The rational transient process is set by the improving td based on the classical pid controller , which effectively reduces undershoot of non - minimum phase system 使之用于功率设定值变化的水轮发电机组有功功率控制中，仿真结果表明了该方法的有效性。
The host computer finishes the calculation of active power , reactive power and power factor , inquire fuzzy form of controlling , give and publish the controlling amount 工控机完成有功功率、无功功率以及功率因数的计算，并查询模糊控制表，给出控制量。
Under given conditions there is a correspondence between the active power and the grinding efficiency , which is one of key parameters for evaluating the grinding efficiency 在一定磨矿条件下磨机有功功率与磨矿效率有明显对应关系，而且是判断磨矿效率的重要参数之一。
