查询词典 grid

In MicroGrid if traditional synchronous generators were used as the main power support, the frequency of MicroGrid would fluctuate greatly during MicroGrid operated from isolated mode to grid-connected mode, and some distributed generations maybe were disconnected from the grid by low frequency relay.

如果选择微型燃气轮机作为微网的主要功率支撑手段，在微网从并网向孤网过渡过程中，系统频率波动较大，且部分分布式电源有可能在低频保护动作下与电网隔离，不利于微网的稳定运行；增加储能设备后，储能设备对于微网的稳定运行可发挥重要的作用。

You're never going to build the same smart grid twice, so you have to look for overriding themes, says Brad Gammons of IBM, a computer giant, which has helped dozens of utilities with their smart-grid implementations.

你将不会建两个一样的智能电网，所以你得注意最重要的主题，计算机巨头IBM公司的Brad Gammons这样说道。

"You're never going to build the same smart grid twice, so you have to look for overriding themes," says Brad Gammons of IBM, a computer giant, which has helped dozens of utilities with their smart-grid implementations.

有些电力公司也许希冀用技术将用电效率最大化。&你将不会建两个一样的智能电网，所以你得注意最重要的主题，&计算机巨头IBM公司的Brad Gammons这样说道。

The necessary conditions of the grid of the lead-acid battery and the manufacture of the stretch grid were introduced.

介绍了铅酸蓄电池板栅应具备的条件及拉网式板栅的制造；并对切拉网法制造板栅的优缺点和制造过程中的常见故障及处理进行了论述。

Through the analysis of the work principle of three phases voltage resource PWM converter, set up the low and high mathematic models, deduce the restriction equations about grid voltage, grid current, modulation voltage and the DC output voltage and the calculation equations of the AC-side inductance and the DC-side capacitance. There are two control strategies are adopted: Predicted current control strategy and voltage-current two closed-loop control strategy, and give a comparison by theory and practice.

通过分析三相电压源型PWM变换器的工作原理，分别分析了低频和高频数学模型，并推导出了交流侧电压电流、调制电压、直流侧电压之间的数学约束关系以及交流侧电感和直流支撑电容参数的选取依据公式；分析对比了两种控制策略：预测电流控制和电压电流双闭环控制并加以实验验证；同时采用了负载电流前馈补偿和本文提出的一种基于专家系统的神经元新型智能PI控制器两种方法大大提高了整个系统的动态响应性能，并在仿真和实验中加以验证，这也是本文研究的重点内容之一。

According to the different grid voltage in many countries, a novel multiple output grid-connected inverter is proposed based on DSP control.

针对世界各国电网电压规格种类较多的情况，提出一种基于DSP控制的可输出多个国家电网电压规格的并网逆变器。

The reactive power variation of wind farm interconnected with power grid leads to voltage fluctuation of power grid.

并网风电场无功功率的波动会引起系统电压波动。

Features: Self-sharpening tungsten steel cutting wheel Cast metal cutting head and end supports Twin 3/4 in. diameter chromed steel guide bars Gray Melamine baseboard (7/8 in. thick x 12 in. wide) Printed grid, inch and metric, with 1/4 in. grid lines Transparent clamp strip holds material firmly Aluminum side rule calibrated in inch and metric Adjustable cursor for repeat cuts Cuts in both directions Replacement Rotary Blade is also available.

特写：自锐化钨钢切削轮铸造金属切削头和支持双结束3 / 4英寸直径铬钢指南酒吧灰色三聚氰胺基板（ 7 / 8英寸厚× 12英寸宽）印刷网，英寸和度量，与1 / 4英寸的网格线透明带夹子的材料坚决持有铝校准方面的规则和公制英寸可调光标重复裁员削减两个方向旋转更换叶片也可。

Making use of this model I have a taste in Yan Shan Reservoir watershed in He Nan Province: I start on the information of the surface in this area, give every grid cell the proper parameters by distilling them from the map of how the people use soil and the map of soil type in this area; In order to get the topographical information, I add numerical value to a abundant of contour lines and points in topographical map, use the software Arc View of GIS to create Digital Elevation Models automatically, get every volume of the reservoir from the water level 99m to 117m. By using a special module of the software, I distill triumphantly the grid cells elevation value, slope value, flow direction, flow accumulation, watershed, stream network, isochrones and so on.

本文在分布式水文模型的基础上，对河南省燕山水库流域洪水入库计算模拟方面作了一些研究：从燕山水库流域的下垫信息开始着手，依据流域的土地使用类型图、土壤分布图确定每个栅格单元的土壤特性和土地利用方式，进行下垫信息的参数化，得到单元模型所需的参数值；为了提取地形信息，本文通过对流域地形图海量数据加载高程值，利用GIS软件自动生成流域内的数字高程模型，提取了流域水文模型所需要的库容曲线；通过栅格自动划分，提取栅格单元的高程、坡度、栅格流向、流域边界、虚拟河网、流量积累、等时流线面积分布等分布式水文模型的流域特征。

Lobus Toolkit 3 (GT3) is based on the core infrastructure compliant with OGSA, and it serves as a reference implementation of Open Grid Service Infrastructure and has been used by many large grid application projects.

T3完全符合OGSA标准和OGSI规范，已经被多个大型网格项目作为网格平台的核心功能实现。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。