Based on indices of electric power quality, we consider power fluctuation an additive index of electric power quality for a wind farm in real conditions.
在电能质量各分项指标的基础上，针对风电场的实际情况，引入了功率波动作为附加的电能质量指标。
Voltage fluctuation aroused by fluctuating loads impacts on the operation of electric equipment.
大功率的波动性负荷大量进入电网，引起电压波动，严重影响电气设备运行。
Area electric power charge is variable peculiarly with periodic fluctuation.
区域电力负荷具有特殊的变化规律。
W12 series rolling machine with four rollers adopt upper roller rotary mechanical drive, lower roller and side roller fluctuation hydraulic drive, electric concentrated control operation system.
W12系列四辊卷板机采用上辊旋转机械传动，下辊和侧辊升降液压传动，电气集中控制操作系统。
By using signal latching technique on temperature contrcller, the measurement error caused by electric network fluctuation induced by start-up and shut-off motor can be eliminated.
对控温信号采用了锁存技术，可以消除电机起动与停止导致电网波动所引起的采样误差。
The electric auxiliary system sometimes has condenser motor loads, and the starting of inductor motors can cause bus voltage fluctuation problem.
厂用电系统中一般带有集中电动机负荷，异步电动机启动会引起母线电压严重的波动。
The market and price fluctuation trend from electric power and chemical industries will also influence natural gas demand price fluctuation trend in return.
较大的分类用户，如电力、工业与化工用户等，其市场与价格变动趋势也将相应影响天然气需求价格的变动趋势。
According to the analysis of the joint measurements with an electric field mill, a method is proposed to distinguish the fluctuation of the local elec...
根据与转轮式电场仪的联测记录的分析，本文提出了区分局地电状态波动和来自高空的电状态波动的影响的方法。
According to the analysis of the joint measurements with an electric field mill, a method is proposed to distinguish the fluctuation of th...
根据与转轮式电场仪的联测记录的分析，本文提出了区分局地电状态波动和来自高空的电状态波动的影响的方法。
This paper introduces a simulation experimental system of 3-phase ac arc furnace, developing a DSP based electric-arc furnace electric pole fluctuation control system.
介绍一种按照实际交流电弧的特性设计的三相交流电弧炉仿真试验系统，针对电弧炉电极升降控制提出了一种基于DSP的控制方案。
This paper introduces a simulation experimental system of 3-phase ac arc furnace, developing a DSP based electric-arc furnace electric pole fluctuation control system.
介绍一种按照实际交流电弧的特性设计的三相交流电弧炉仿真试验系统，针对电弧炉电极升降控制提出了一种基于DSP的控制方案。
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