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model
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    Study on the Simulation Model of Shielding Failure and the Lightning Protection Performance of Double Circuit for AC Transmission Line
    交流输电线路绕击仿真模型及同杆双回耐雷性能的研究
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    Research on Reliability Assessment of Bulk Power Systems Based on Sensitivity Analysis and a Corrective Model
    大电力系统可靠性评估的灵敏度分析及其校正措施模型研究
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    Research on Power Short-Term Load Forecasting Model and Method Based on Data Mining
    基于数据挖掘的电力短期负荷预测模型及方法的研究
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    Research and Realization of Bus Protection Based on ANN Model
    基于人工神经网络模型的母线保护研究和实现
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    Study on Model and Parallel Processing for Reliability Assessment of Bulk Power Systems Based on PC Cluster
    基于PC机群的大电力系统可靠性评估模型及并行处理研究
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  建模
    Research on Power System Dynamic Load Modeling and Model Validation
    电力系统动态负荷建模及其有效性验证的研究
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    Aid-modeling Tools for Mathematical Model of Power Plant Simulator
    电站仿真器数学模型辅助建模工具
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    Model Establishment of Fuel Controlled Objective in Utility Boilers Based on Signal of Radiative Energy from Furnaces and Simulation on Its Control
    采用辐射能信号的电站锅炉燃料调节对象建模及控制仿真研究
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    A NEW ALGORITHM ON DYNAMIC MODEL FOR LOAD FORECASTING
    一种负荷预报动态建模及模糊补偿的新算法
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    Dynamic Neural Network Model and its Application in Electric Load Modeling
    动态神经网络模型及在电力负荷建模中的应用
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  数学模型
    Arc Dynamic Model and Nozzle Optimization for High Voltage SF_6 Circuit Breaker
    高压SF_6断路器电弧动态数学模型及喷口结构优化设计
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    Study on the Theory, Mathematical Model and Application of Transmission Expansion Investment and Management Optimization after the Separation of Grid and Generation
    厂网分开后输电网扩容投资及运营管理优化的理论、数学模型及其应用研究
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    A Mathematical Model Embracing All Operating Modes for a 670 t/h Utility Boiler
    670吨/时锅炉全工况数学模型
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    The Mathematical Model and Basic Characteristics of Type KGT-3 Excitation System
    KGT—3型励磁系统的数学模型和基本特性
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    MATHEMATICAL MODEL FOR CALCULATING DIFFUSSION LAYER THICKNESS OF Nb_3Sn MULTIFILAMENTARY SUPERCONDUCTORS
    计算多芯Nb_3Sn扩散层厚度的数学模型
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    Study on Blackboard-Style Expert System and Prediction Model Based on Genetic Algorithm for Insulation Fault of Power Transformer
    变压器绝缘故障诊断黑板型专家系统和基于遗传算法的故障预测研究
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    Research on Short-Term Load Forecasting Model and Method Based on Chaotic Characteristic of Electric Load Time Series
    基于电力负荷时间序列混沌特性的短期负荷预测方法研究
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    The research of the surge phenomena in the winding of the autotransformer, 660/330/35 kv, 300/300/105 MVA (on model.)
    660/330/35仟伏,300/300 105兆伏安单相自耦变压器绕组内波过程的研究
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    Characteristics of Phase Self-correction Loop of Model DS-1LF Timer
    DS—1长波授时定时器自校环路的特点
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    Design and Test for Model CK-1C Telemetry Signal Changer or Matcher
    CK-1C遥测讯号变换器的设计与试验
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  model
Reductive group actions on affine quadrics with 1-dimensional quotient: Linearization when a linear model exists
      
A linear model for a given action is a linear orthogonal action with the same orbit types and equivalent slice representations.
      
We prove that if a reductive group action on an affine quadric with a 1-dimensional quotient has a linear model, then the action is linearizable.
      
Using the path model and the theory of crystals, we generalize the concept of patterns to arbitrary complex semi-simple algebraic groups.
      
In the model situationD is the Siegel disc,S is the manifold of Lagrangian subspaces andG is the symplectic group.
      
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In this article a dascription of the three phase model of the High voltage laboratory of Ch-iaotung University is given. There various method lowering the amplituds of switching ov-ervoltages are studied. These surges occur in the transmission lines 500EV. with the length ofapproximately 300-500 kilometers. The work is done under the direction of soviet specialistA. I. Dolginov.

本文叙述了高压实验室的三相内过电压模拟,对500仟伏300-500公里的线路中限制内过电压的各种措施进行了研究。这一工作是在阿·约·道尔吉诺夫同志指导下完成的。

An electronic circuit which may be applied to the control of firing angle of high voltage mercury arc current converter is suggested in this paper.The circuit mainly consits of two parts:the primary pulse generator and the secon- dary pulse former.Between these two parts is inserted an insulating transfo- rmer which transmits the control paise and isolates the high potential difference between them.The primary generator generates the control pulses and determinates their phase.The secondary pulse former supplies...

An electronic circuit which may be applied to the control of firing angle of high voltage mercury arc current converter is suggested in this paper.The circuit mainly consits of two parts:the primary pulse generator and the secon- dary pulse former.Between these two parts is inserted an insulating transfo- rmer which transmits the control paise and isolates the high potential difference between them.The primary generator generates the control pulses and determinates their phase.The secondary pulse former supplies the power, necessary for gridcontrol,and formes the configuration of the pulse.This circuit has been used in a model of high voltage d.c.power transmission system. Experimental result shows that the quality of the pulse in this system is better than that of the commonly adopted magnetic system,but the interference in this syetem needs eliminating.

本文提出了一种电子的栅极控制线路,可用来控制高压离子变流装置的工作。控制线路主要包含一次脉冲发生器和二次脉冲装置二部分,在这二部分之间有绝缘变压器,负责传递脉冲电压并隔离高电位。一次脉冲发生器负责控制脉冲的移相和产生;二次脉冲装置则完成脉冲的整形供给控制脉冲必要的功率,本钱路曾经用在直流输电模拟装置中;实验结果初步证明脉冲质量较现有磁性系统优越,但干扰问题有待改进。

One of the ways to raise the efficiency and diminish local overheating is by the using of shields to decrease the stray losses produced in the stator core end-plates or rotor surface of an electrical machine due to the rotating magnetic fields. However, as has been indicated in the papers by several writers, positive effects of shielding are not always realized; that is to say, the stray losses may even increase if the material or thickness of the shield is not properly chosen. In this paper, theoretical analysis...

One of the ways to raise the efficiency and diminish local overheating is by the using of shields to decrease the stray losses produced in the stator core end-plates or rotor surface of an electrical machine due to the rotating magnetic fields. However, as has been indicated in the papers by several writers, positive effects of shielding are not always realized; that is to say, the stray losses may even increase if the material or thickness of the shield is not properly chosen. In this paper, theoretical analysis of the losses in multilayer media in the rotating fields is made, a formula for the calculation of the stray losses in machines with shields is derived from this theoretical analysis based on the Maxwell's equations and curves are drawn. Finally a primary field coefficient Kp, so named by the authors, is given so as to facilitate the proper designing of the shields.. Experiments on a model have been carried out and the results obtained agreed with the analytical study.

利用屏幕以减少电机定子端部压板损耗或转子表面损耗是提高电机效率及减轻局部过热现象的措施之一。但在屏幕层的材料及厚度选用得不合适时,也有可能增加损耗。本文进行了旋转磁场中多层媒介质的损耗的理论分析,从马克士威方程推导出有屏幕时的损耗计算公式,文章最后提出了“原磁场系数”Κρ作为对选择适当的屏幕材料及厚度以减少某次谐波的损耗的判据。 计算公式的结果与从模型实验上所得的结果是相符的。

 
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