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exchange power
相关语句
  交换功率
     Method Making Decision of Receiving Side Cutting Load for Exchange Power Control Pontrol in Interconnected Power Systems
     联合电力系统交换功率控制的受端减载决策法
短句来源
     Hydro-turbine Governor and Grid Load Frequency Control Part Three Research on Exchange Power Between Area Grids
     水轮机调速器与电网负荷频率控制——(三)区域电网交换功率控制仿真研究
短句来源
     Overlapping decentralized factor chosen by a rating load ratio between areas can improve decentralized control quality of AGC to disturbances of load_frequency and exchange power,so as to meet the need of power system AGC economic operation.
     说明重叠结构分解因子可按照区域子系统之间的额定荷比来选择,因此可提高系统AGC对负荷频率和交换功率波动的分散控制质量,达到电力系统AGC经济运行的目的.
短句来源
     This control method may not only restrict the area subsystem net exchange power with other subsystem to the plan value,but also restrict every tie line transition power separately kept to the constant power.
     该方法不仅能维持区域系统对外净交换功率的计划值,同时还可分别维持每条联络线交换功率的计划值,而且提高了控制实施的有效性。
短句来源
     This paper describes the preliminary simulation and real time test research of exchange power control between area grids under the CPS.
     文中对在控制性能评价标准(CPS)考核下的区域电网交换功率控制进行了初步的仿真和实时试验研究。
短句来源
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  “exchange power”译为未确定词的双语例句
     Nowadays, our country is in the implementation stage of "Interconnection in the whole country, transmission electric power from West to East and exchange power between South and North" electric strategy.
     目前,我国正处于“全国联网、西电东送、南北互供”的电力战略实施阶段,电网的互联使得原本薄弱的网架结构面临更大的考验,输电线路的功率振荡时有发生,严重影响到整个电网的安全运行,对于系统稳定的研究也就从来就没有中断过。
短句来源
     In 21 century, the tendency of our power industry will be "Transmission electric power from West to East, exchange power between South and North, interconnection in the whole country."
     “西电东送、南北互供、全国联网”是21世纪我国电力工业的发展方向。
短句来源
     Typical DSC system has the modules of lens, flash lamp, viewfinder, LCD screen, UIO expansion controller for image storage, UIO expansion controller for data exchange, power supply, microprocessor and others.
     典型的数码相机系统有镜头、闪光灯、光学取景器、LCD显示屏、图像数据存储扩展设备接口、图像数据传输接口、供电系统以及核心处理器等八个主要模块。
短句来源
     The mechanism may be expounded as fellow: when the quality of surfactant is less than exchange capacity, the exchange power came from reaction of cation exchange, and there are strong interaction between surfactant and interlayer.
     HDACl进入层间的机理可以解释为:当表面活性剂量小于交换容量时,交换动力来自于离子交换反应,而且表面活性剂与层间表面之间有很强的作用;
短句来源
     A Practical Mini SPC Exchange Power Supply
     一种实用的小程控交换机供电电源
短句来源
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  相似匹配句对
     the power;
     动力论;
短句来源
     POWER
     清华的力量
短句来源
     Generalized Power Comparability for Exchange Ideals
     广义幂比较置换理想
短句来源
     The effect of power automatic exchange on motor
     电源自动切换对电动机的影响
短句来源
     exchange and communication
     交流·沟通
短句来源
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  exchange power
With this concept it is possible to communicate orally, to exchange Power Point Presentations, documents, programmes and live web-camera pictures.
      
As the immunosorbent exhibited non-specific interactions with the matrix components, a previous clean-up step based on gel filtration (Sephadex G-25 PD-10 column) or anion-exchange (Power 1 × 8 Dionex column) was necessary.
      
BPA should be prepared to purchase or exchange power to the extent consistent with prudent financial planning.
      


A new method of large scale complex interconnected power system economic operation is presented. By using decomposition model the optimization problem is divided into a master program, which determines the exchange power, and a set of subproblems, which compute optimal economic operation of each area.The method presented in this paper is used for optimal economic scheduling of the large interconnected system with parallel or casecade hydro electrc subsystems. The optimal or near optimal results can be...

A new method of large scale complex interconnected power system economic operation is presented. By using decomposition model the optimization problem is divided into a master program, which determines the exchange power, and a set of subproblems, which compute optimal economic operation of each area.The method presented in this paper is used for optimal economic scheduling of the large interconnected system with parallel or casecade hydro electrc subsystems. The optimal or near optimal results can be obtained considering various constraints and real requirements of the whole system.The test result shows the effectiveness of the proposed algorithm. The convergence and convergent speed are satisfactory.

本文对多区域、复杂水火电力系统经济调度提出了一种新的分解算法。它将复杂的大系统优化问题分解成区域子系统优化和协调计算两个主要部分。在各区域内可有复杂的梯级水电站和常规水电站。根据实用上的主要需要和限制,考虑了网络损失、联络线功率约束和交换电量约束等。本算法可用于分析研究含有复杂水火电系统的区域交换功率和交换电量评价、缺电调度,也适用于我国大区联网的经济运行计算。

This peper presents a new algorithm for power systems economic dispatching. The large scale power system is divided into some subsystems,and these subsystems are interconnected through boundary nodes. The exchanging power passing through boundary nodes and the voltage on boundary nodes are selected as coordinatinn varisbles. Each subsystem is solved under given values of coordination variables, and coordination varisbles are corrected by the coordination layer. Then, a new iteration is going...

This peper presents a new algorithm for power systems economic dispatching. The large scale power system is divided into some subsystems,and these subsystems are interconnected through boundary nodes. The exchanging power passing through boundary nodes and the voltage on boundary nodes are selected as coordinatinn varisbles. Each subsystem is solved under given values of coordination variables, and coordination varisbles are corrected by the coordination layer. Then, a new iteration is going on. In this algorithm, the trouble on coordination due to setting a imaginary slack bus for each subsystem is overcomed. The convergence is also improved.

本文提出一种新的用大系统分解——协调理论进行电力系统经济调度的算法。该算法按区域将一个大的电力系统分成几个子系统,各子系统之间通过边界点耦合,将边界点的电压及区域间交换功率作为协调变量。各子系统在给定的协调变量下求解,由协调级根据各子系统优化结果对协调变量进行修正,再进行新的一轮选代。本算法解决了由于各子系统设置虚拟平衡点而给协调带来的困难,并且由于选择电网运行数据作为协调变量,有利于初值选择和在选代中修正,改善了收敛性。

In this paper it is proved that when the current and voltage are of harmonics, their multiplication product, i.e, every kinds of power are composed of harmonics. The expressions of transmission power s(t) , consumed power p(t) and exchanging power q(t) composed of every orders of power harmonics are established. Both of s(t) and q(t) can be divided into linear and distorted parts.

证明了当电压和电流都存在高次谐波成分时,其乘积即某种功率也存在各种谐波成分。建立了用各次功率谐波表达的传输功率s(t)、消耗功率p(t)、交换功率q(t)的表达式。s(t)和q(t)都可分为线性部分和非线性部分

 
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