Coupled with real-time monitoring devices and mini weather station on the line, it provides basis for dispatching operators to control line load. 同时在线路上配置实时监测装置和小气象站,为调度运行人员控制线路负荷提供依据。
The current-mode control architecture facilitates easy compensation design and ensures cycle-by-cycle current limit with fast response to line and load transients. 电流模式控制架构,方便易于补偿设计,并确保快速响应的电压和负载瞬态逐周期电流限制。
Nonlinear Bending of Shallow Spherical Sandwich Shells Subjected to Axisymmetric Line Load 轴对称线荷载作用下夹层扁球壳的非线性弯曲
Specified output regulation limit includes line and load regulation. 规格书上的输出电压范围包含电线和负载电压。
A coupled inductor is applied to implement ZVS of the primary switches for line and load. 此变流器采用一个耦合电感可在整个线路和负载范围实现主开关的零电压开关。
If the source, transmission line and load impedance are equal these reflections are eliminated. 如果源信号阻抗与传输线阻抗、负载阻抗相等,则这些反射就会被消除。
II construction should be two two-circuit transmission line load power requirements. 二类建筑应按二级负荷的两回线路要求供电。
The operation of circuit is very lightly dependent on line and load conditions. 线路的操作是非常轻轻的依赖在线和负荷情况上。
Dynamic Analysis to Infinite Beam under a Moving Line Load with Uniform Velocity 匀速运动的线源荷载激励下无限长梁动力分析
The chip uses a constant frequency, current-mode control scheme to provide excellent line and load regulation. 采用了恒定频率、电流模式的控制结构以提供优秀的电源和负载稳压。
On the solution of cylinderical shell due to line load or line moment by green's function method 受环向线载和线偶作用的圆柱壳问题的Green函数解法
Wedge of Incompressible Rubber Like Material Tensioned by a Line Load 线载荷拉伸作用下不可压缩橡胶类楔体
No more than four electrical quantities are needed to communicate. The fault location results are independent of the following factors, such as pre fault line load, running model at terminals, fault resistance and fault initial angle etc. 测距结果不受线路负荷、线路两端的系统运行方式、故障点过渡电阻以及故障合闸角等因素的影响。
The linear beam model is used to calculate the energy release rate for delamination cross-ply laminate beam subjected to a uniform line load parallel to the width direction at midpoint of the beam in this paper. 本文用线性梁模式研究了正交铺设拖脱层层合梁在中点受到平行于宽度方向的均布线载荷时的能量释放率,研究了脱层长度、脱层位置和横向剪切对能量释放率的影响。
This paper mainly discusses how to actualize the visualization of electricity power load and line load ratio on the dynamic or GIS-based diagram, and how to actualize their real-time dynamic update. 本文对SVG在电力系统负荷可视化中的应用做了一些探索性的工作:主要是针对线路负荷率和大范围地理区域的负荷可视化的显示,以及它们的SVG实时显示。
Under 16 boundary conditions, the formulae were developed for the calculation of the annular sandwich plate subjected to polynomial distributed loads, uniform moments, uniform radial pressure along the edges, uniform line load along an inner edge or their combination. 讨论了16种边界条件,荷载可为多项式型的分布荷载、内缘均布线荷载、均布边缘力矩或均布径向压力及它们的组合。
A modified Vlasov two-parameter soil model in Gibson soil is developed and the corresponding soil response function is derived. The stresses and the surface displacements of the soil subjected to a line load and a uniform strip load are analyzed. 对Gibson土中的Vlasov双参数地基模型进行了改进,导出了相应的特征函数,并就集中及均布条形荷载下土中内力及地面位移进行了分析。
Nonlinear bending of an annular sandwich plate under the action of a line load uniformly distributed along the inner edge is discussed. 讨论了在内边缘均布剪力作用下夹层环形板的非线必弯曲问题。
Displacement field of the elastic half space with a half circular lining while bearing line load horizontal space 含有半圆环形衬砌的弹性半空间受线源荷载作用的位移场
By making compromise between the least line load moment and the largest load demand satisfaction degree, the right-of-way selection under uncertain load forecasting is well resolved. 通过在线路负荷矩最小与各用户负荷需求满足程度最大之间求最佳折衷平衡,解决了负荷预测不确定情况下的路径优化问题。
The target is not only to ( recover) power supply immediately for the non-trouble area, but also meet the capacity of the line load, the least wire lose, the least operating steps, keeping lines balance and the highest reliability. 其目标主要是为了既快速恢复非故障区域供电,同时又满足线路负载容量的要求、线损最小、操作次数最少、恢复后各馈线负荷平衡、可靠性最高等条件。
Considering the dissymmetry of the line load in the three-phase transmission lines when running, this paper transforms the voltage and current phasor using symmetric components method and solves out it by the sequence parameter method. 由于三相输电线路多运行在负荷不对称的情况,故对于三相输电线路本文应用对称分量法对所测电压、电流相量进行转换,再应用序参数方法进行求解。
Furthermore, it does not require the synchronized data of two terminals and fault type identification, eliminates the influence of S/ C resistance, line load and system impedance, and there is on false root. 仿真计算表明该算法测距精度高,且不要求两端数据同步,不需要判别故障类型,不存在伪根,不受线路负荷、系统阻抗和过渡电阻的影响。
An approach to the nonlinear stability of shallow shells with a symmetrically distributed line load 扁球壳在对称线布荷载作用下的稳定性问题
The random car load is achieved by the influence line load. This paper makes the fatigue damage analysis and residual life assessment of a reinforced concrete beam, based on the reinforced S-N curve and the principle of linear fatigue damage accumulation. 通过影响线加载的方法实现了随机汽车荷载的加载,并以钢筋的S-N曲线为基础,依照线性疲劳损伤累加原则对钢筋混凝土简支梁进行了疲劳损伤分析与剩余寿命评估。
For with the power grid line load asymmetry lead to asymmetry run, set the zero-sequence voltage fault threshold □, as the basis to determine the neutral point non-effectively grounding system with or without a small current failure. 针对配电网线路负载不对称导致不对称运行的情况,设定线路零序电压故障阈值ε,作为判断中性点非有效接地系统有无小电流故障的依据。
The other module is knowledge base module, which is based on assessment result of DEA combined with monitoring information such as voltage qualification rate, line load, capacity-load ratio, etc. to get improving measure of distribution line through reasoning analysis. 根据DEA的计算方法的评估结果,结合配电网的电压合格率、线路负载率、容载比等监测指标建立知识库,通过推理分析给出线路改善的建议措施。
In this system, the technical and economic analysis for the connection modes is carried out and the relationship of line load ratio, line reliability and potential benefit is also discussed. 在此体系下,对接线模式进行技术经济分析,探讨了不同接线模式的供电可靠性、线路负载率和经济效益之间的关系。
Third, the author studied the "influence line load Law" during the process of taking large transport and found the new methods of vault reinforcement. 接着作者通过大件运输过程中采取的影响线加载法进行了探讨,引出了拱顶加固的新方法并且例举了三个不同形式的拱桥运用影响线加载法成功加固的实例。
Use the experiment data of grade E steel and the Da-Qin line load spectrum, the fatigue life of coupler and yoke is computed. 根据实测E级钢材料的拉伸试验,和弯曲疲劳实验得到的数据,以及大秦线载荷谱对车钩和钩尾框进行疲劳寿命计算。