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保证出力     
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  firm power
     Firm Power Calculation Model of Cascaded Hydropower Stations Based on Runoff Compensation
     径流补偿时梯级水电站群系统保证出力的计算模型
短句来源
     The model for calculating the firm power of cascade hydropower stations is a large scale maxmin model, an efficient algorithm named effective calculating period algorithm (MM-NC-A) for simplifying the calculation of it is presented in this paper. The calculation results show that the proposed algorithm is very practical and efficient.
     梯级水电站群长序列保证出力优化计算模型是一个大规模maxmin模型.本文针对梯级水电站群的特点给出一个行之有效的简化算法──有效计算期算法(MM—NC—A).计算结果表明该算法有效.
短句来源
     This paper,considering power output electricity and firm power objectives, sets up the multiobjective optimization model for reservoir dispatching, and presents the constraint method and the interactive decision method to solve this model. A case study is used to show the effectiveness of this method.
     以年发电量和保证出力为目标,建立了水库优化调度多目标数学模型,并提出了求解该模型的约束法和决策偏好的交互式多目标优化方法,结合实例研究计算,论证了该方法的可行性和优化性。
短句来源
     The reservoir has a seasonal regulation function, with its regulating capacity of 302 Mm\+3, and normal pool level of 300 m. The firm power of the station is 49.7 MW and its average annual generation is 1.071 billion kW·h.
     水库正常蓄水位 30 0m ,调节库容 3.0 2亿m3 ,具有季调节能力 ,电站保证出力 49.7MW ,多年平均年发电量 10 .71亿kW·h。
短句来源
     The calculation method of the firm power of cascaded hydropower stations system is described in brief not considering up-downriver stations' runoff compensation, and this paper puts forward the general calculation method of the firm power of main-reservoir cascaded hydropower stations based on runoff compensation.
     简述了一般梯级水电站群不考虑上下游电站径流补偿时系统保证出力的计算方法,在此基础上提出了利用龙头水库进行梯级水电站群径流补偿时系统保证出力的计算模型和通用算法。
短句来源
  guaranteed output
     THE HIERARCHICAL OPTIMAL CONTROL THEORY OF LARGE SCALE SYSTEMS FOR DETERMINING THE OPTI MAL DEAD STORAGE LEVELS AND THE GUARANTEED OUTPUT OF HYDRO RESERVOIRS IN CASCADES
     用大系统递阶控制理论确定梯级水电站水库群最优死水位和保证出力
短句来源
     The routine operation chart of hydropower station is the basic dependence to make certain the operation of the reservoir. The upper and lower basic operation lines are the border terms for the power station running to deliver guaranteed output.
     水电站水库常规调度图是确定水库运行的基本依据,上、下基本调度线界定了保证出力的范围。
短句来源
     In the calculation of hydraulic energy design program for a series of terraced hydroelectric stations in the upper reaches of the Yellow River, the interpolation 11 successive years of dry period in history for Shan County was invariably adopted, resulting in appreciable reduction in the designed guaranteed output and annual power generation as well as in benefit as compared with designs made according to actual test data.
     在黄河上游一系列梯级水电站的水能设计规划计算中,都采用了从陕县插补上延这11年的枯水段。 因而使得各水电站的设计保证出力和年发电量比按实测资料设计显著减少,效益降低。
短句来源
     This paper presents the application of POA in calculation of compensation adjustment among the cascade hydropower stations. The maximum guaranteed output among the cascade stations and the optimal allocation method among them have also been proposed.
     本文把逐步优化算法(POA)应用到梯级水电站补偿调节计算中,提出了梯级水电站总保证出力最大和对该总保证出力在水电站间进行最优分配的方法。
短句来源
     After the completion of Longtan Hydropower Station,it not only could increase the guaranteed output of about one million kW in 6 downstream cascade hydropower stations,but also,if conducting the compensation regulation with the Three Gorges Project on the occasion and exchanging the power between Southern Power Grid and Huazhong Power Grid,could enhance the guaranteed output of 1. 5-2. 5 million kW.
     龙滩水电站是系统中调峰、调频的重要电源,电站建成后,可提高下游6个梯级电站的保证出力近百万kW,届时如与三峡水电站补偿调节,南方电网与华中电网交换电力,还可提高水电站保证出力(150~250)万kW;
短句来源
  dependable output
     Through power dispatching diagram design based on the scheme of diverting water from reservoir in two design level years of 2008 and 2020 for urban water supply and by analysis on the three indexes in regulation calculation, i.e., dependable output, corresponding dependability and perennial average power yield, the impact of diverting water from the reservoir is finally ascertained on power generation effect of Furong Hydropower Station.
     通过对2008、2020年两个城市供水水平年的库内引水方案进行调度图的设计和调节计算保证出力、相应保证率和多年平均年发电量3项指标,最终确定引水后对芙蓉水电站发电效益的影响。
短句来源
  firm output
     Calculation Method of Firm Output of Hydropower Station
     水电站保证出力的计算方法
短句来源
     Pubugou hydropower station is a state key project and a symbol of western development, located in Hanyuan and Ganluo County, Sichuan Province, has 3300MW installed capacity, 926MW firm output and 51.77 billion m3 total storage capacity , the project is built for electricity generation, flood control, sand barrage, etc.
     瀑布沟水电站是国家“十五”重点建设项目,也是西部大开发标志性工程。 电站位于四川省汉源县和甘洛县境内大渡河中游,装机容量3300MW,保证出力926MW,水库总库容51.77亿m3,具有季调节能力。
短句来源
     In comparing with the conventional rules of using reservoir dispatching curves, firm output and average annual generaton of the hydropower plants would be increased by 9.6% and 4.6% respectirely, so that the expenditure of fuels for the thermal power plants in the local electric system could be reduced by 30,000 tons per year.
     计算表明,与水库常规调度进行比较,水电站的保证出力和平均年发电量将分别增加9.6%与4.6%,因而可使同一电力系统中火电站的燃料年耗费量减少约30000吨。
短句来源
     It plays huge role in enhancing the firm output of Wujiang cascade hydropower stations, reducing the water releasing volume for peaking in the downstream cascade hydro stations in Guizhou Power System.
     该电站在提高乌江梯级水电站保证出力、减少下游梯级电站弃水调峰 ,以及提高贵州电网火电机组负荷率方面作用巨大。
短句来源
     The calculation of firm output is one important part in the design of hydropower station,and the adopted calculation method varies with the regulation ability of the reservoirs.
     保证出力计算是水能规划设计中的重要内容,不同调节性能的水电站保证出力的计算方法亦不同。
短句来源

 

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      firm power
    The system performance measure used in the BSDP model is the square of the deviation of the total power generated from the total firm power committed and the objective function is to minimize the expected value of the system performance measure.
          
    The second-best Pareto optimal mechanism also is implemented by an allocation mechanism based on the consumer's choice of a minimum demand or firm power level.
          
    Determine the feasibility of entering into a medium-term firm power sale during the Company's surplus years.
          
    Following this reasoning, we expect that the greater the CO of an organisation, the better will be its financial performance as firm power increases.
          
    Following this, we predict that CO, will result in lower customer satisfaction and value as firm power increases.
          
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      guaranteed output
    Guaranteed Output Feedback Control for Uncertain Systems under Control and State Constraints
          
    Doing so provides the producer with a guaranteed output, implying mutual gains.
          
    In this case of an honest minority, guaranteed output delivery and fairness are not required.
          
      firm output
    In this setting we demonstrate that the optimal employment contract, from the perspective of the firm hiring the manager, is the contract whichminimizes the dependence of the manager's compensation on firm output.
          
    This paper develops flexibility measures in the context of a multi-firm output based on a generalized average cost function.
          
    In contrast, other writers have trumpeted the productivity gains from worker cooperation and thus, argued that wage disparity lowers firm output.
          
    An analysis of changes in firm output, exports, and profit is pursued in these chapters.
          
    For each output level, there were 41 unique two-firm output combinations for basic, and premium and pay services.
          
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    Based on the theories of dynamic programming and Markovian decision process, a general-purpose computer program has been worked out in this paper to obtain the optimal regulating chart of a hydroelectric station in Sichuan province with long-term regulating storage reservoir connecting with several short-term regulating stations in a system. The mathematical proof of the convergence of recurrence computation and the optimality of result is given.When the economic losses incurred by the deficiency of power supply...

    Based on the theories of dynamic programming and Markovian decision process, a general-purpose computer program has been worked out in this paper to obtain the optimal regulating chart of a hydroelectric station in Sichuan province with long-term regulating storage reservoir connecting with several short-term regulating stations in a system. The mathematical proof of the convergence of recurrence computation and the optimality of result is given.When the economic losses incurred by the deficiency of power supply cannot be estimated, it is suggested to seek through trial-and error computation the result corresponding to the specified probability that normal supply will be guaranteed. The authous also explore the fuzzy optimal control decision problem occurred in practice. Further, a probabilistic method can be used for deriving the probability distribution of water storage at any moment within a year and also other operating characteristics as well as economic indices. In comparison with the conventional method, additional guaranteed output of the system and 1-2% increment of average annual energy generation has been obtained.

    本文应用动态规划与马尔可夫决策过程理论,研究了一个具有长期调节水库的水电站和若干个径流式水电站在电力系统中联合运行的最优调度图,以及各种运行特性的计算问题.在计算实例中,根据实测流量记录检验,这种调度图与用常规方法绘制的调度图相比,既可提高水电站群的保证出力,又可平均每年增加电量1—2%.

    This paper attemps to expound computation of the firm power of hydroelectric plant systems. The system mode,the criterion and the objective function for calculating the firm power are described, and a computation method for the firm power is proposed based on the dynamic programming theory. Some author's suggestions are also presented here.

    本文叙述水电站组合方案保证出力计算.其主要内容包括水电站组合方案的模式,计算组合方案保证出力的准则、目标函数,应用动态规划理论推求组合方案保证出力的计算方法以及作者在文内阐明的几点看法.

    On the basis of principles of system engineering, a mathematical model (nonlinear program) for the problem of designing the active volume for serially linked reservoir system is provided. The objective function that is chosen is the maximization of the firm power for hydroelectric stations subject to turbine operating requirements. An application of the model to Driver with 17 cascade reservoirs, Sichuan province, PRC, shows a successful use of the flexible tolerance method in conjunction with computer technique。...

    On the basis of principles of system engineering, a mathematical model (nonlinear program) for the problem of designing the active volume for serially linked reservoir system is provided. The objective function that is chosen is the maximization of the firm power for hydroelectric stations subject to turbine operating requirements. An application of the model to Driver with 17 cascade reservoirs, Sichuan province, PRC, shows a successful use of the flexible tolerance method in conjunction with computer technique。

    本文应用系统工程学原理,以梯级水电站群保证出力最大为准则,水轮机运行要求为约束条件,建立了以水力发电为主的梯级水库群最优有效库容的非线性规划模型,並且应用有约束最优化方法——可变容差法和电子计算机技术成功地优选了四川省某河流上十七个梯级水电站的有效库容。

     
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