设计开发了负荷构成特性信息集成系统。
An information integration system of load composing characteristics is developed and designed.
现代电网与负荷构成的变化使电压暂降问题成为热点。
Voltage sags have become a new focus of the study on power quality owing to significant changes of modern power systems and load profiles.
电力系统负荷预报模型因负荷构成及采用的建模技术不同而各异。
Load forecasting models in power system is different due to load constitutes and modeling technique.
气温变化会引起电力负荷构成的变化,从而会导致负荷模型参数发生改变。
The temperature variation may change the composition of load, resulting in the change of load model parameters.
随着国民经济和科学技术的蓬勃发展,现代电网与负荷构成出现了新的变化趋势。
With the rapid development of national economy and technology, new trends have taken place in the modern power grid and load structure.
现代电力系统的电网结构和负荷构成出现了新的变化趋势,随之带来的电能质量问题逐渐引起电力部门和用户的高度重视。
There are new trends in the grid and load structure of modern power system, leading to various power quality problems which have aroused great attention of power departments and users.
根据全网各站点各季节的典型行业用电负荷构成比例,运用谱系数平均距离聚类分析法,对全网各季节的负荷站点做出合理的分类。
According to the proportion of load composition, using the hierarchical cluster analysis based on average distance, the substations can be classified reasonably.
然而,系统中的综合负荷,由于具有构成复杂、随机时变、地域分散等特点,其准确的数学模型一直没有建立起来。
However, for the composite load has the characteristics of complex composition, random time variance and spread over different area, its exact mathematics model is still not built up.
基本负荷基本负荷是指建筑负荷需求量中不变的那一部分,是构成负荷需求曲线的基数。
Base load base load is that portion of a building load demand which is constant. It is the "base" of the building demand curve.
纺织废水污染负荷的90以上是由工艺过程的各种化学品构成的。
Over 90% of the pollution load of textile wastes is contributed by the process chemicals.
系统构成与运行电力系统的主体结构有电源、电力网络和负荷中心。
System structure and operation of power system of the main structure of power supply, power networks and load center.
通过分析适用于负荷预测的数学方法,构成能在线实时运行的负荷预测系统。
According to the analysis of the mathematical model using for load forecasting, an on-line load forecasting system is designed.
电力系统规划由电力负荷预测、电源规划和电网规划构成。
Power load forecasting is the base of electrical power system planning.
利用小波变换将历史电价序列和负荷序列分解和重构成概貌电价、细节电价和概貌负荷、细节负荷。
Historical prices and loads were decomposed and reconstructed into approximate price series, detailed price series, approximate load series and detailed load series.
对工作负荷点系统的概念、构成以及评估等进行了清晰的定义,论述了工作负荷点与传统的工时定额之间的区别。
The concept, composition and assessing method of the work Load Point system are defined clearly, and the differences between work Load Point system and traditional hour-working system are described.
本文主要介绍自动变负荷系统的构成,网络通信,控制原理和应用。
This paper mainly describes the configuration, network communication, control principle and the application of an automatic load change system used in an air separation plant.
根据可逆冷轧机的生产特点,采用了一种简单的迭代方法求解负荷按比例分配构成的非线性方程组,得到总轧制道次数以及各个道次的中间厚度。
Based on the rolling feature and practice of reversible cold mill, a new calculating method to determine the load distribution is put forward by means of nonlinear equations.
大型工业企业供电网的部分电力负荷由自备电厂供应,外部电网构成了企业供电系统的可靠后备。
When enterprise power supply system becomes isolated after fault occurred, the best method is finding a suitable grid-connected point to connect with external power grid to maintain stable.
对较小的单相负荷可采用由微型接触器构成的双电源单相切换开关。
For comparatively smaller single-phase load, the duplicate supply single-phase transfer switch made of miniature contactors can be selected.
对较小的单相负荷可采用由微型接触器构成的双电源单相切换开关。
For comparatively smaller single-phase load, the duplicate supply single-phase transfer switch made of miniature contactors can be selected.
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