The authors propose an additional control strategy, which changes the power or current order according to the variation of system frequency, thus the power balance of the grid can be implemented.
提出了一种附加控制策略，该附加控制策略根据系统频率的变化改变直流系统的功率或电流指令，从而实现系统功率的平衡。
On the basis of discussing knitting action and guide movement, the technical practice is explained including jacquard plush forming, ground stitch variation and pattern grid design.
在此基础上阐述了提花毛圈的形成，地组织的变化，意匠设计等工艺应用。
For Shanghai power grid, which has large short circuit capacity and short electrical distance, a method using imported instrument to test power frequency variation distance protection is presented.
结合上海电网具有短路容量大、电气距离短的特点，提出了使用进口仪器测试工频变化量距离保护的具体方法。
Adapting to the high variation environment in data grid, a data replica replacement algorithm based on value model is proposed and the arithmetic to calculate replica value is introduced.
针对网格环境下数据高度动态性的特点，提出了一种基于价值模型的数据副本替换算法，给出了副本价值计算方法，并把它应用到数据副本替换中。
Using variation principle, the difference discrete scheme with diffusion flux form on the irregular hexahedral grid is constructed.
在非正规六面体网格上，用变分原理建立扩散流形式的差分格式。
Considering the sensitivity of virtual nodal voltage to line reactance and variation of reactive power of power grid comprehensively, the voltage instability index is put forward.
综合考虑节点电压关于线路电抗和系统无功功率变化的灵敏度，提出了电压失稳指标。
The simulation demonstrates that even though K value is same, the power grid impedance angle and wind farm power factor may also affect the voltage variation which is caused by wind farm.
指出在K值相同时，风电场引起的电压变化还与电网阻抗角和风电场功率因数有关。
The East China sea model has much higher resolution grid, which has simulated seasonal variation of mixture and stratification.
渤黄东海环流模式的网格具有更高的分辨率，模式很好地模拟黄东海混合与层化的季节演变规律。
By means of the proposed algorithm the sensitivity of nodal voltage to any network parameter can be obtained, such as line reactance, variation of reactive power of power grid and so on.
通过该算法可得到节点电压对任何网络参数的灵敏度，比如线路电抗、电网无功功率的变化等。
CircumferenceArea, Variation, Grid and Radius methods of calculation statistical fractal dimension are introduced.
以周长—面积法、变量法、网络法与半径法为例，介绍了无规分形维数的计算方法。
CircumferenceArea, Variation, Grid and Radius methods of calculation statistical fractal dimension are introduced.
以周长—面积法、变量法、网络法与半径法为例，介绍了无规分形维数的计算方法。
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