电网

Against Langfang regional power protection and Fault information systems, this article analysis the hardware components and network structure focus on different sub-station manufacturers.

文中针对廊坊地区电网的保护及故障信息系统，重点对不同厂家子站系统的硬件组成及网络结构进行了介绍分析。

The design and construction of sub-station of the power bureau is an integral part of this system engineering project; it consists of three components, data query, exception management and system management, mainly for the benefits of power dispatching and maintenance personnel of the Liaoning Power Grid.

电业局子站的设计与实现是该系统工程项目中的重要组成部分，主要面向辽宁省电网电力调度的管理与维护人员，包括数据查询、异常管理、系统管理三个组成部分。

The subarea division based on optimization accords with the needs of power market development .

基于地域的系统分解与协调符合电网市场的发展方向。

Multi-objective distributed parallel reactive power optimization based on subarea division of the power systems .

基于电网分布的多目标分布式并行无功优化研究。

Use of TBB high vohage parallel capacitance compensation apparatus can elevate power submultiple,thus,the quality of power supply and economic efficiency can be enhanced.

叙述了功率因数对电网的影响，以及利用TBB高压并联电容补偿装置提高功率因数，提高了供电质量和经济效益。

A new algorithm for distribution substation planning is presented.

提出了一种城市电网规划中变电站规划优化的新算法。

Using the comparison principle, it is proved that the proposed method is of superlinear convergence, The proposed algorithm takes the advantages of both the classical Newton method and the back/forward sweep method.

但是，前推回推法必须对节点和支路按一定的规则进行分层和编号，亦即是在具体的计算前，必须对配电网络进行拓扑分析，这对于大规模配电网和工程实际应用来说是一件比较麻烦的事情。

With the fast developing of electric power industry and rapid increasing of power system load ,the demands of power suppleness reliability have become more stricter.

随着电力行业的飞速发展，系统负荷的迅速增长，对电网可靠性的要求也变得更加严格。

As the important tache, substation is the main surveillant and manipulative point of the electric network.

作为输配电系统中的重要环节，变电站是电网的主要监控点。

It is the basis of the power supply corporation's survivance and development to guarantee the power network's security, steady, economy, and to provide consumer with electric power with the high grade.

确保电网安全、稳定、经济运行，确保向用户提供优质电能，是供电企业生存和发展的基础，这一切都有赖于其生产管理系统。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。