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潮流分布
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  power flow distribution
     The commissioning of 2×600 MW units of Fuyang Power Plant during its I stage construction period will exert influence on the power flow distribution and stability of Anhui Power Grid.
     阜阳电厂一期工程2×600 MW火电机组的投产将对安徽电网的潮流分布、稳定水平产生较大影响。
短句来源
     The calculation result shows that this algorithm can revise the load forecast data and improve accuracy by use of redundant real time measurements, so that a more reasonable power flow distribution can be obtained.
     计算结果表明 ,该算法能够利用实测节点冗余的测量数据对网络中负荷预测数据进行修改 ,提高其准确度 ,进而得到趋于真实、合理的潮流分布 .
短句来源
     The economic decision-making and the analysis of system operation in power system should be carried out separately. That is using the power flow distribution and system safety calculation as the technical support for the economic decision-making.
     电力系统的经济决策和系统运行技术分析应分别进行 ,即将潮流分布和系统安全的计算作为经济决策的技术支持。
短句来源
     The calculation result shows that this algorithm can revise the load forecast data and improve accuracy by use of redundant real time measurements, so that a more reasonable power flow distribution can be obtained.
     计算结果表明,该算法能够利用实测节点冗余的测量数据对网络中负荷预测数据进行修正,提高准确度,进而得到趋于真实、合理的潮流分布
短句来源
     The another content of this paper is to calculate the practical power flow distribution caused by the power injected into each bus in transmission network, and the fixed transmission cost is apportioned according to the practical power flow distribution.
     另一个重要工作就是应用潮流分解计算每个母线的注入功率在输电网络中引起的实际潮流分布 ,根据其实际分布来分摊网络输电固定费用。
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  tidal current distribution
     The characteristics of tidal current distribution in Zhapu section of the Hangzhou Bay
     杭州湾乍浦断面潮流分布特征
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     Combined with tidal current distribution pattern in the estuary,the factors mentioned above decide that the most stable course outlet direction of the Huanghe River is east.
     结合海区潮流分布格局,建议在人工整治时,河口以向东向开口为佳
短句来源
     In this paper, the characteristics of tidal current distribution in Zhapu section of Hangzhou Bay are analyzed and discussed, using the synchronous observed tidal current data obtained from 8 stations of Zhapu section during September, 2000. The results show that in the section, two current cores with a greater speed occur at flood race, the current speed in the southern part is greater than that in the northern part, and the flood current speed is greater than the ebb current speed.
     根据2000年9月在杭州湾乍浦断面设置的8个潮流同步观测站的资料,对该断面潮流分布特征进行了分析和探讨,结果表明:该断面大潮涨急时呈现两个大流速核; 断面南部的流速要比北部的大,涨潮流速大于落潮流速。
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  “潮流分布”译为未确定词的双语例句
     The distribution of reactive power not only determines the voltage profile, which is an important index of voltage quality, but also affects the security and economy of power systems.
     电压质量是电能质量的重要指标之一,无功潮流分布是否合理,直接决定了电压质量的好坏,这不仅关系到电力系统向电力用户提供电能质量的优劣,而且还直接影响电网自身运行的安全性和经济性。
短句来源
     Optimal reactive power dispatch (ORPD) can optimize reactive power dispatch and reduce power loss and voltage loss in order to improve voltage quality and run electrical equipment safely and reliably.
     无功优化调度(ORPD—optimal reactive power dispatch)可以优化电网的无功潮流分布,降低电网的有功损耗和电压损耗,从而改变电压质量,使得用电设备能安全可靠地运行。
短句来源
     The method reasonably considers the influence of frequency change caused by generator outage on load flow distribution.
     该方法合理地考虑了因发电机开断而频率变化对潮流分布的影响。
短句来源
     the power flows of 220 kV north south lines and their overloads and the voltage variations in south Zhejiang grid under different operating modes(including the “N-1” overhaul mode of 5 north south lines) after the fault of 500 kV equipnment;
     在多种运行方式下(包括南北通道5线“N—1”检修,500kV兰双输变电设备故障后,220kV电网南北通道各线路的潮流分布和线路重过载情况以及各地区电压变化情况);
短句来源
     Some Fallibly Problems of Caculating Tide Distribution in Power Network
     电网潮流分布计算中容易混淆的问题
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  power flow distribution
The possibility of using a semiconductor thermal probe to investigate the power flow distribution in waveguides
      


In order to analyze the power flow and the transient stability of an AC-DC hybrid system, a method of nesting a DC subroutine into the original program for the AC power system is proposed in this paper. The fundamental principle, mathenatical model, regulation and control blocks of DC subroutine, and interface between these programs are introduced The results of trial computation are in conformity with theoretical analysis.

为了分析交直流联合系统的潮流分布和暂态稳定,本文提出一种在原有交流系统潮流和暂态稳定程序的基础上,嵌入直流系统子程序的通用办法。并介绍了这种直流子程序的基本原理、数学模型、调节控制环节以及交直流系统程序之间的接口方法。采用这一方法编制的程序经试算已初步获得应用。

Based on the two-dimensional nonlinear hydrodynamic equations the tides and tidal currents in the Hangzhou Bay are numerically sover using finite difference method. The tidal flats, which appear and are submerged when the water level falls and rises, are also simulated. The diural [(K_1+O_1)/2], semidiurnal (M_2) and shallow-water (M_4, M_6,……) constituents of tide and current are obtained. The results, agree with the observed data satisfactorily. The distributions of tide and tidal current in the Bay are illustrated....

Based on the two-dimensional nonlinear hydrodynamic equations the tides and tidal currents in the Hangzhou Bay are numerically sover using finite difference method. The tidal flats, which appear and are submerged when the water level falls and rises, are also simulated. The diural [(K_1+O_1)/2], semidiurnal (M_2) and shallow-water (M_4, M_6,……) constituents of tide and current are obtained. The results, agree with the observed data satisfactorily. The distributions of tide and tidal current in the Bay are illustrated.

本文应用有限差分方法,对杭州湾的潮汐、潮流进行了数值计算,得到了全日((O_1+K_1)/2)、半日(M_2)和浅水(M_4,M_6)分潮的调和常数。计算结果与实测符合良好。文章根据计算结果描述了杭州湾的潮汐、潮流的分布及其特性。

According to basic theory of reliability for power system combined with professional knowledge of power plant, this paper studies reliability calculation, mathematical model and method for station service of a power plant and provides a calculating program with FORTRAN-77 language. Under any operating condition of the electric-circuits system of the power plant (including main electric circuits and station service system), this program can calculate several indices of reliability for station service system,...

According to basic theory of reliability for power system combined with professional knowledge of power plant, this paper studies reliability calculation, mathematical model and method for station service of a power plant and provides a calculating program with FORTRAN-77 language. Under any operating condition of the electric-circuits system of the power plant (including main electric circuits and station service system), this program can calculate several indices of reliability for station service system, e g, outage probability, outage frequency, expected energy not served (EENS), mean time of outage erc, and can examine tide distribution of the system, thus finding out the location and part of excess loading. The quantitative data thus obtained can offer a higher reliability design for a station service system.

本文根据电力系统可靠性的基本理论,结合发电厂的专业知识,对发电厂厂用电系统的可靠性计算的判据,数学模型和方法进行探讨,并用FORTRAN—77语言编写了计算程序。可对发电厂主系统接线(包括电气主接线和厂用电系统),在任意的运行方式下,计算出其厂用电系统的几个可靠性指标,如厂用系统的停运概率,停运频率,期望电量不足EENS,停电平均时间等。并能检查系统在正常运行和一阶事故时的系统潮流分布,由此找到过负荷元件。这在设计厂用电系统时,为寻找可靠性较高的方案提供了数量依据。

 
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