查询词典 a-c generator

In this paper, the generator model of constant transient voltage and the invariableness impedance model was used, and the saliency of generator is included; through the analysis of the characteristic of the network equation calculation in the transient stability analysis, a new node ordering algorithm is proposed. Better initial value can accelerate the convergence rate of the networking equations, reduce the number of iterations, thus to cut down the amount of calculating time.

本文首先建立了适合于暂态稳定分析的简单模型，其中发电机采用E_q恒定模型，考虑了发电机的暂态凸极效应，负荷采用恒定阻抗模型；研究了电力系统的暂态稳定分析方法，指出目前数值积分暂态稳定计算方法中存在的不足，主要是网络方程的求解速度过慢；分析了暂态稳定计算中网络方程的特点，将稀疏技术应用于网络方程的求解，提出了一种新的节点编号方法——最小度最小有源节点道路集算法，减少了网络方程的计算量；在进行交替迭代求解时，将预测算法应用于每一积分步网络方程功角和电压的初值估计当中，应用自回归算法和广义延拓算法，期望给出一个更有效的电压和功角初值方案，来加快方程的收敛过程，减少方程迭代的次数，以提高计算速度。

This paper presents an introduction to Pelton type hydraulic-generator set for Yunnan Supa river A'Jiutian hydroelectric power station, is of domestic maximum capacity Pelton type hydraulic-generator set designed and manufactured by our company for the moment.

本文介绍了我公司为云南省苏帕河阿鸠田水电站设计制造的冲击式水轮发电机机组，系我国目前自行设计制造的国内最大容量的冲击式水轮发电机机组。

According to the characteristics of multi-generator model and results of system digital simulation research, a new design and set scheme of underfrequency load shedding equipment on the basis of multi-generator system is developed in this paper.

同时根据多机模型特点及仿真结果提出了一种基于多机系统的低频减载设计和整定新方案，与传统方案相比，该方案提高了低频减载性能及系统运行方式的适应性。

Experiment Study on the Long-Term Stability of Bearing Load Cell in large turbine-generator sets;2. Study on the Assembly Shearing Bridge Load Cell for Two Pad Tilting Pad Bearing;3. D FEM analysis of a load cell with on 2 pad tilting pad bridge bearing in large turbine generator sets has been made.

本文对大型汽轮发电机组剪切桥式两可倾瓦轴承负荷传感器结构进行了二维有限元分析，研究了不同边界条件对传感器结构应力场的影响，计算与试验结果对比表明：所建立的有限元模型基本是正确的，可将其用于两可心倾瓦轴承负荷传感器结构设计。

The once-through steam generator in concentric annuli tube is a new type of steam generator which applies double sides to transfer heat.

套管式直流蒸汽发生器是一种采用双面传热的新型蒸汽发生器。

Firstly, SRM inductance function Land flux linkage function ψ are derived from ANSYS which is used for electromagnetic field analysis. Secondly, the non-linear inductance model and non-linear flux model of switched reluctance starter/generator are finished by MATLAB. Based on the latter, the start characteristic of SRM is studied comprehensively. Finally, on the basis of academic research, we completed the starter/generator stand of test and experimented on a sample motor and then experiment waveforms are obtained which verified the simulation model.

首先利用 ANSYS 软件仿真计算出开关磁阻电机的电感和磁链函数，并以此为基础利用 MATLAB/SIMULINK 建立了开关磁阻起动/发电系统的非线性电感模型和非线性磁链模型，并通过非线性磁链模型对开关磁阻电机的起动特性和发电特性进行了深入分析与研究；最后在理论分析的基础上，通过开关磁阻起动/发电系统试验平台对原理样机进行实验，给出了系统实验波形，并验证了该模型的正确性。

The generator protected the half-completed second Death Star high in orbit. Artoo attempted to bypass the high security lock sealing the Imperial generator complex, but was shot by a stormtrooper before he could complete the task.

发生器保护着上空轨道上未完工的第二颗死星。R2试图绕过帝国护盾发生器工事的高安全锁，但在完成任务前被一个冲锋队员击中了。

A new board shaped ozone generator is proposed to efficiently generate ozone. This paper introduces the generator design based on surface discharge theory in the nonuniform electric field.

臭氧是氧气的同素异形体，与常见的消毒剂氯气相比，臭氧的灭菌速度是氯气的600～3000倍，而且，臭氧的高效杀菌灭毒本领和不留二次污染性历来受到人们的青睐。

The invention relates to a desk type drill machine for preventing drill head wreckage, comprises chassis, supporting post, operating board covered in middle of supporting post, cabinet and generator; cabinet is equipped with tension pulley pressure sensor, belt tension unit and pressure foil gage; tension pulley is compacted on driving belt of drill machine, pressure foil gage is installed on top bar of tension pulley, the pressure foil gage is in electric connection with input end of controlling circuit, output controlling end of controlling circuit is connected to power input end of generator.

本发明是防止钻头折断的台式钻床，包括底座、支柱、套在支柱中部的工作台、以及机箱和电机，机箱上设有张紧轮压力传感器，由皮带张紧装置和压力应变片组成，其中的张紧轮紧压在钻床的传动皮带上，压力应变片设在张紧轮的顶杆中，压力应变片与控制电路的输入端电连接，控制电路的输出控制端连接在电机的电源输入端中。

The role of steam-driven turbine is a rotary motion by the prime mover , will be sent to the steam boiler heat into mechanical energy of rotation, drive generator, generator is to convert mechanical energy to electrical energy equipment.

汽轮机是由水蒸气驱动作用旋转运动的原动机，将锅炉送来的蒸汽热能转化成转动的机械能，驱动发电机发电，发电机是将机械能转化成电能的装置设备。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。