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节点电压     
相关语句
  node voltage
     (3) parameters of the trigger circuit meets the formula of node voltage "Vk= 0; and (4) resistance and capacitance meet CR= 0.
     ( 3)触发电路参数根据节点电压公式∑VK =0 ; ( 4 )电阻、电容应满足 CR=常数 .
短句来源
     The Fuzzy Regulating Method Research for Electric Power System Node Voltage
     电力系统节点电压的模糊调节方法研究
短句来源
     Relation between Cutset Voltage and Independent Node Voltage
     割集电压与独立节点电压之间的关系
短句来源
     Calculation of Equivalent Resistance and Node Voltage on Ladder Resistance Network
     梯形电阻网络等效电阻及节点电压的递推计算通式
短句来源
     A Simple Way of Solving Node Voltage Application of Assumed Node Method
     求解节点电压的简便方法——假想节点的应用
短句来源
更多       
  nodal voltage
     Presents the direct method and computer algorithm to formulate nodal voltage equations.
     并给出建立这种等效电路的节点电压方程的直接方法以及计算机建立该方程的算法。
短句来源
     The synchronous phasor measurement unit (PMU) based on global positioning system (GPS) which can directly measure the nodal voltage phasors is a new type of measurement device.
     基于全球定位系统(Global Positioning System,GPS)的同步相量量测单元(Phasor Measurement Unit,PMU)是一种新型的量测装置,该装置可以直接量测节点电压相量。
短句来源
     Visualization for nodal voltage of power systems based on SVG and Java
     基于SVG和Java的电力系统节点电压可视化
短句来源
     The Extended Nodal Voltage Equation and Its sensitivity Calculation
     增广节点电压方程及其灵敏度计算
短句来源
     The technique is based on the nodal voltage simulations and uses passive LC ladder network as prototype.
     该法是以无源LC梯型网络为原型,采用节点电压仿真技术设计高阶滤波器.
短句来源
更多       
  node voltages
     Based on the sensitivity of node voltages, a novel fault dictionary method is developed for diagnosis of soft faults of tolerance analog circuits and nonlinear circuits, on the basis of a fault dictionary method for non tolerance linear circuits .
     基于节点电压灵敏度 ,将文献 [1 ]中的线性无容差电路的故障字典法推广到可以诊断容差模拟电路和非线性电路软故障的新故障字典法。
短句来源
     The sensitivities of all the node voltages with respect to all the system control variables(or disturbance variables )and the transmission line parameters can be calculated efficiently after an adjoint network analysis.
     该法在求解伴随网络后 ,能迅速有效地计算出电力系统各节点电压对系统控制(与扰动)变量及线路参数的灵敏度
短句来源
     By analyzing recursion relation of ladder resistance network, the formulas of calculating equivalent resistance and node voltages on ladder resistance network have been derived.
     通过求解梯形电阻网络中的递推关系,推导出梯形电阻网络中等效电阻及节点电压 的计算通式;
短句来源
     The maximal electric power load of the accepting region is chosen as the objective function, and difference equations of the rotors movement are introduced as equality constrains, and inequality constrains include node voltages, the offsets of the rotor angles with relative to the inertia centre angle of the whole system, the line active powers and generator active powers of feeding region.
     该问题以受电区域所能带的最大负荷值为目标函数,将转子运动方程差分化,形成一系列代数方程,而后作为等式约束引入,以节点电压、发电机转子相对全系统惯性中心的角度差、线路有功功率以及送电区发电机有功功率构成不等式约束。
短句来源
     By use of node voltages a new network reconfiguration approach is presented in which the voltage balancing index is taken for objective function and the optimal structure of distributed network can be found through continuous branch exchanges.
     提出了一种利用节点电压进行配网重构的方法 ,该方法将电压均衡指数作为目标函数 ,通过连续的支路交换操作来寻求配网的最佳结构。
短句来源
更多       
  bus voltage
     In this paper,the conception of bus voltage stability control area of local powersystem is presented,based on the practical criterion for voltage stability calculated by the real-timeinformation and the quasi-real time information form the power system.
     利用电网的准实时信息和变电站实时信息计算出的电压稳定实用判据,提出了地区电网节点电压稳定控制区的概念:当电压下降时,电网各节点能根据本地区的电压稳定实用判据自动地形成紧急电压控制区域,进行分层实时控制。
短句来源
     A PILOT BUS VOLTAGE CORRECTION METHOD BASED ON VOLTAGE CONTROL AREA
     基于电压控制区的主导节点电压校正方法
短句来源
     A Pilot Bus Voltage Rectification Method Based on Voltage Control Area
     基于电压控制区的主导节点电压校正方法
短句来源
     In essence, wind power penetration limit is the maximum wind power allowable by system subject to various technical constraints such as bus voltage magnitude, transmission capability, system frequency deviation, spinning reserve, etc.
     本文深入分析了风电穿透功率极限的物理实质——即在满足各种技术约束(如节点电压幅值、输电线路功率、系统频率偏移以及旋转备用等)的前提下,电力系统可以接受的最大风电容量,提出采用最优化方法计算风电穿透功率极限的思想。
短句来源
     On the basis of the coherent feature of the network calculation (the bus voltage equation) in power system analysis, an undetermined coefficient method for reducing the dimensions of the bus voltage equation is presented. In order to keep the symmetry of the bus admittance matrix, an unsymmetric Y matrix dynamic equivalence is made up, in which only one column or partial column of the matrix are modified.
     根据电力系统分析中网络计算数学模型 (节点电压方程 )同调的特点 ,利用节点电压方程降维的待定系数法 ,在尽可能保持节点导纳矩阵对称性下 ,提出了仅修改一列或部分列元素的不对称 Y阵动态等值法。
短句来源
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      node voltage
    The model reveals an explicit causal relationship between delay of non-monotonic rising node voltage in tree-structure and design parameters.
          
    A new algebro-differential equation system for the computation of dynamics and transients in electric power systems is formulated with the extended node voltage method exclusively on the basis of Kirchhoff's current law.
          
    In small preparations of rabbit sinoatrial node voltage clamp experiments with the two microelectrode technique were carried out.
          
    At fine resolution, any small changes in node voltage results in an incorrect decision by the comparator.
          
    Assume all inputs are low initially and the intermediate node voltage across has an initial value of 0 V.
          
    更多          
      nodal voltage
    Its salient feature is that it eliminates nodal voltage phase angles from consideration and explicit network equality constraints.
          
      node voltages
    The unknown node voltages are assumed to be normally distributed and therefore only the average values and the second order moments should be calculated.
          
    Measurements and calculations of node voltages in experimental windings are compared, showing a very satisfactory agreement.
          
    For linear RLC power grids, a minimal set of state equations is derived that is suited to impressed voltage sources and contains only physically existing quantities (currents and node voltages) as state variables.
          
    A maximum principle for node voltages in finitely structured, transfinite, electrical networks
          
    Transfinite electrical networks have unique finite-powered voltage-current regimes given in terms of branch voltages and branch currents, but they do not in general possess unique node voltages.
          
    更多          
      bus voltage
    The detector's voltage can turn off the switch of the APFC (Active Power Factor Correction) circuit and the bus voltage would fall from 600VDC to 300VDC, so the SPIC and power devices can be protected.
          
    The triangular carrier waveform used in soft-switching PWM inverter will cause difficulties in controlling resonance-trigger time, higher loss in the resonant circuit, and less utilization of the DC bus voltage.
          
    It is a quadratic function of bus voltage angles and can easily be calculated from real power flows or DC load flow.
          
    Advantageous SRM power converter topologies have been proposed over the years, however, some of them were utilizing a large number of discrete power components, while the others were leading to a poor utilization of the DC-bus voltage.
          
    In this article, a novel SRM drive is proposed, entirely based on standard industrial inverter modules, fully utilizing bus voltage.
          
    更多          


    A method is suggested, which permits the description of the node-admittance and node-current source matrix of the partial circuit in terms of its mesh-impedance and mesh-voltage source matrix. By this method it is possible that the range of application of the node-voltage method may be extended to the circuits containing mutual conductive coupling.

    提出了籍助子电路通路阻抗及电动势表示其节点导納及电流源的方法,从而使节点电压法的应用范圍推广到具有磁感耦合的电路中。

    This article presents two methods for computing the power feeding system of railway electrification with auto-transformers by computers, viz. the loopcurrent and the node voltage methods, by means of which, it is advisable to compute the distribution of current and voltages in each conductor, the impedance value and the inducing current ampere-kilometers of the A. T. system and the induced voltage of the A. T. system in the adjoining telecommunication circuits.

    本文介绍了利用电子计算机计算交流电气化铁路AT供电系统的方法:节点电压法和回路电流法。利用它们可算得AT系统中各导线的电流、电压分配值、AT系统的阻抗值、感应电流安培—公里值及对邻近通信线的感应电压值等。

    The paper proposes a model for optimal load flow calculation in which the real and imaginary parts of all the node voltages are used as state variables. The basic idea is as follows: By aid of Zangwill penalty method, the optimal load flow problem is transformed from a constrained optimization problem into a sequential unconstrained optimization problems which are solved by the BFS (Broyden-Fletcher-Shanno) method. The BFS method possesses better numerical stability so that the high precision of uni-dimensional...

    The paper proposes a model for optimal load flow calculation in which the real and imaginary parts of all the node voltages are used as state variables. The basic idea is as follows: By aid of Zangwill penalty method, the optimal load flow problem is transformed from a constrained optimization problem into a sequential unconstrained optimization problems which are solved by the BFS (Broyden-Fletcher-Shanno) method. The BFS method possesses better numerical stability so that the high precision of uni-dimensional search is unnecessary. Therefore, the guadratic interpolation that needs smaller amount of calculation can be used as uni-dimensional search technique. Thus the amount of calculation of the method is decreased,and the convergence can be quaranteed sufficiently. Finally the effectiveness of the method is proved by the given examples.

    本文提出用全部节点电压实部和虚部作为状态定量的最优潮流计算模型。基本思路是:通过Zangwill罚函数法将最优潮流问题由一个约束优化问题变为一序列的无约束优化问题,然后用BFS(Broyden-Fletcher-Shanno)法求解。由于BFS法的数值稳定性较好,对一维搜索精度要求不高,因此可以采用计算量较小的二次插值作一维搜索。这样计算工作量有所减少,而收敛性又可以得到充分保证。最后用实例证实了该方法的有效性。

     
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