查询词典 electrical system

On the running theory of electrical power ergograph and the basic control theory basis, this paper expatiate on the mathematic model and modulating speed of ergograph, and expounds the principle and ways of design of hardware and software for measure and control system, and describes the hardware and software with some frames and interfaces, and importantly recommends the way of designing software.

本文根据电力测功机的工作原理和控制理论基础，主要阐述了测功机的数学模型和调速原理以及整个测控系统的硬件和软件设计的原理和方法，并辅助框图和界面对软硬件进行了详细描述，重点介绍了系统软件的设计。

The electrical activities and sequences of oesophagus, reticulum and the four compartments of rumen in sheep were recorded with polygram system RM-6008 during rest, feed, rumination and eructation.

用RM-6008型记录仪记录了绵羊在安静、进食、反刍和嗳气等状态下的食管、网胃和瘤胃的前背囊、后背盲囊、后腹盲囊、前腹囊的电活动及其先后次序。

The novel design method is the excellent solution for the simulation challenge that power electrical device and the magnetic path device are applied to the power system since it's the intuitionistic, effective and exactable. This method is also the innovation for the design and the application of the power electromagnetism device.

论文首次将SABER仿真软件引入到消弧线圈设计中，其中所采用的磁路模型、线圈模型不仅能描述消弧线圈的电气特征，还能反映消弧线圈铁心和线圈的空间几何结构、使用材料参数等物理特征。

In order to improve the reliability of the nuclear Generating Sets and the stabilization of the power system, prevent the long time low frequency oscillation caused by the disturbed of the outside electrical net, assured improving the stabilization margin of the nuclear generating sets in the precondition of enough transient stability, validate the sensitivity of the parameter to the damping of Generating Sets of the MEC5220 digital excitation adjustor produce in Japan that used in the Second Project of Qinshan Nuclear Power Plant, confirm the parameter rationality of the digital excitation adjustor, optimize the parameter of PSS, in this paper, we put up a in-depth study to the principle of MEC5220 digital adjustor produce in Japan by the PSS/E software that develop by the PTI Company in the USA, completed the modeling of the excitation adjustor, PSS, generator, excitor, described the performance of this excitation adjustor, analyzed the essential reason that caused the low frequency oscillation, illuminated the factor that influence the damping characteristic of the MEC5220 digital excitation adjustor. Based on model and emulate, this paper optimized the primary parameter of the excitation adjustor, make a reasonable regulation to the PSS parameter.

为提高核电机组的运行可靠性和接入系统的安全稳定性，防止在外电网的干扰下核电机组发生长时间的低频振荡，保证机组在暂态稳定的前提下提高其稳定裕度，验证秦山核电二期核电机组所配日产MEC5220型数字式励磁调节器参数对机组阻尼的灵敏性，确定数字式励磁调节器的参数的合理性，优化PSS整定参数，本文利用美国PTI公司研发的PSS／E软件对日产MEC5220型数字调节器的原理进行进行了深入细化的研究，完成了励磁调节器、PSS、发电机、励磁机的建模，描述了该型励磁调节器的性能，分析了产生低频振荡的根本原因，阐明了影响阻尼特性的因素。

The works'producs have been kept as qualists first class just because its well trained employees,one means with rigorous quality quarantee system and perfect product tests.and so obtain the mechanical and electrical products quality exequatur for export.

一支训练有素的员工队伍，一套严密的质量保证体系和完善的产品检测手段，确保了产品质量一直保持着一等品的水平，并取得了国家颁发的"出口机电产品质量许可证书"。

At the same time, we still have to check the pipe rack, expansion joint, instruments and electrical control system.

同时也要检查管道支架、膨胀节、仪器仪表及电气控制是否正常。

Therefore the study of transmission line fault location system is an important course in electrical engineering.

所以，输电线路故障定位系统具有极大的社会效益和经济效益，是一项具有重大技术经济意义的研究课题。

According to the shipping characteristics of Shanghai Huangpu River, ferry bridge is moored on river by dynamic positioning equipment, in which electrical propulsion is adopted in thruster of dynamic positioning system.

鉴于上海黄浦江的航运特点，确定使用动力定位装置将舟桥固定于江面及岸边，动力定位系统的推力器采用电力推进。

Design of Fluid Drive and Electrical Control System for Bore Modular Machine Tool

研究这些事故的原因、构成、特点、规律以及防治措施和预测方法。

In this paper a fluidics device of continuous-path numerical control system for electrical spark machine tool is presented.

文章介绍了用于电火花线切割机床连续轨迹式数字程序控制的射流装置。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷