查询词典 power grid

The Influences of EHV grid on the short circuit current and reactive compensation in Fujian power grid and the opening of electromagenetically coupled power loop of 1 000 kV and 500 kV are discussed.

分析了特高压电网对福建电网短路电流和无功补偿的影响以及1 000 kV/500 kV电磁环网的解环等问题。

When serious fault occurs on the power receiving section of southern Beijing-Tianjin power grid, including Dafang double circuit lines, Fangbao line and Baoba line, generator tripping and load shedding should be done to ensure the stability of the power grid.

当京津南部受电断面(大房双+房保线+保霸线)发生严重故障时，采取切机、切负荷措施，防止大面积停电，保证京津南部电网的安全稳定运行。

It is an important work for the manage men of planning power grid to evaluate and control of power grid construction and size of grid electricity scientifically, and it is also the inevitable demand in market conditions.

科学地评价、把握和控制地区电网建设规模是电网规划管理部门的重要工作，也是电力市场条件下地区电网建设的必然要求。

To power grid parameter and topology error which are two main factors for the compute result of power system analysis software , research and develop the parameter identification and topology error identification system of power grid.

针对电网参数和网络拓扑影响电力系统高级应用软件计算结果的两个主要因素，以开关有功潮流估计算法和多断面参数辨识算法为核心，研究开发了电网参数辨识与实时拓扑检错系统，并在福州电网得到了应用。

Area power grid; power telemeter and settlement system; application specification; virtual measurement; settlement model; power grid loss analysis model

区域电网；电能量计量计费；应用规范；虚拟计量点；结算模型；网损率波动分析模型

The short-circuit current in some parts of Shanghai Power Grid that is the receiving end of East China Power Grid exceeds limits, which forces the structure and the operation modes of the 500 kV grid to make some adjustment, and the 500 kV double-loop-network is compelled to uncouple in certain conditions.

作为华东电网的受端的上海邵分厂站500 kV短路电流的超标，迫使500 kV电网结构或运行方式做出相应调整，500 kV双环网在一定情况下被迫解环。

The impacts of the ultra high voltage AC/DC grid on Fujian power grid are analyzed in this paper. The security and stability of Fujian power grid and the interactions among the AC and DC system are studied under the single/double faults of EHV AC transmission lines and monopolar/bipolar block faults of EHVDC system near converter station.

中文摘要：分析了交、直流特高压电网对福建电网安全稳定的影响，研究了特高压交流电网、特高压直流系统发生故障时福建电网的安全稳定性以及受端换流站附近交流电网单一或严重故障对直流系统的影响及系统安全稳定水平。

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。

Ball Grid Company production, installation from the hotels, hotels, stadiums to high-tech large-scale industrial plants, from the conventional plane to the surface grid to form a special unique advantages, has put into use are: Vietnam Association for Fu-power grid, Shekou Seaview Square grid, helipads, as well as Beijing University of biological grid grid Valley high-tech factories in domestic and foreign markets had a positive impact.

公司球型网架生产、安装从宾馆、酒店、体育场到高科技大型工业厂房，从常规平面到特殊的曲面网架形成独特的优势，先后投入使用的有：越南协福电厂网架、蛇口海景广场网架、直升机场网架以及北大生物谷高科技厂房网架都在国内外市场产生了积极的影响。

Wide-area measurement information of power grid is used for enacting protection strategies in WAPS, so it could make protections located at different positions in power grid work cooperatively. After analysis on availability of wide-area information in protection system, building WAPS to defend three different types of power system stability problems is presented, and two functions of WAPS, wide-area backup protection and wide-area emergency control, are expounded in the paper.

进而讨论了广域测量信息在保护中的可用性，提出按电力系统&三道防线&要求构建广域保护系统，阐述了广域保护的两大功能：广域后备保护和广域紧急控制。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。