查询词典 power transmission

Besides it keeps the feature of the former PG-2C that the diametric transmission power the feature of the former PG-2 that the diametric transmission power of the throwing-pan all exceeds that of domestic products of the same kind, it adds the waterworks for the uses of dilution and cooling when polishing with the advice and demands of numerous people who use it.

PG-2C金相试样抛光机是对PG-2金相试样抛光机的不完善处进行针对性的设计改进，该机除保持原PG-2的抛盘直径与传动功率均大于国内同类产品外，结合广大使用人员的建议和要求，增加了在抛光时作稀释冷却用的供水系统和易清污的抽屉式积污匣，并该机的外形更新颖美观，对设备的使用和保养也更为方便。

Based on power line transmission characteristic, this thesis set up a power line model using theory of uniform transmission line; design low voltage communication simulation and experiment system based on the model.

本课题基于电力线传输特性的分析，应用均匀传输线理论建立了电力线模型，设计了以该模型为基础的低压电力线载波通信模拟实验系统。

Make use of the tested data, the paper analyzed the vehicle output power, the efficiency of colligated transmission system, the power distributing on the process of turning, the roads and the pedrail influence on the torque, and the torque changing rules on the vehicle starting, changing transmission ratios, accelerating and braking, obtained the well-content result, it provide a powerful theoretical and technical support for the armored vehicle designed and make approved on.

利用测得的转矩和转速数据，对车辆的输出功率，综合传动的效率，转向过程的功率分配，路面及履带对转矩的影响以及起动，换档，加速，制动过程转矩变化情况进行分析，取得了十分满意的结果，为进一步对车辆进行改造和设计提供了强有力的理论和技术支持。

Transmission lines are the vitals of electric power system. With the development of electric power system, transmission lines must be more economic, secure and reliable.

输电线路是电力系统的命脉，电力系统的发展对其经济性、安全性和可靠性提出了更高的要求。

Then, interruptible load is introduced into transmission congestion management in the paper. The paper discusses the application of interruptible load to transmission congestion management in power pool market. Market risk of evade is very important in transmission congestion management. The FGR, FTR, TO are introduced into transmission congestion management, its concept and implement in bilateral market are discussed in the paper. It provides the valid means of evadable price risk for the market participant. The reasonable allocation of congestion cost is very important in transmission congestion management. The paper proposed a novel methodology for allocation of congestion cost based on the line flow analysis.

然后，将可中断负荷引入到输电阻塞管理中，对其在电力联营体交易市场模式下输电阻塞管理中的应用进行了全面阐述；市场风险的规避是输电阻塞管理中需要考虑的重要内容，本文将基于潮流的输电权、金融型输电权及输电期权引入到输电阻塞管理中，阐述了其基本概念以及在双边交易市场模式下的具体实施，为市场参与者提供了规避价格风险的有效手段；阻塞费用的合理分摊是输电阻塞管理中的重要内容，本文提出了一种基于阻塞线路潮流组成分析的阻塞费用分摊新方法。

By means of analyzing the difference between HVDC transmission line and traditional HVAC transmission lines, it is proved that it is not suitable to apply superposition principle to the power grid containing HVDC transmission lines, thus following conclusions are obtained: in the place near to HVDC transmission line the fundamental frequency fault component element should be not adopted; and there is definite relation between the maloperation of directional comparison pilot protection applied in practical project and the adoption of fundamental frequency fault component element.

通过分析HVDC的特性与传统交流系统的不同，证明叠加原理不能应用在含有HVDC的系统中，从而得出结论：在HVDC附近不应该采用工频故障分量元件，实际工程中的纵联方向保护误动作与使用工频故障分量元件有一定关系。

The paper analyses the application mode development and demand of electric power communication transmission network ,and introduces ECI BG-40 which inosculates MSTP and PCM,and discusses a new type of application mode of electric power communication transmission layer network,which inosculates MSTP and PCM and offers reference for construction of el.

文章在分析了电力通信传输网应用模式发展及需求的基础上，对ECI公司最新推出的集MSTP+PCM功能于一体的BG-40产品进行了介绍，探讨电力通信传输网一种新型的网络应用模式，这种PCM+SDH的网络融合的组网新模式，将为电力通信网传输层网络的组网提供很好的参考。

At first, setting up the arith relation between the signal input and the signal output of the generalized multi-carrier system of the Discrete Fourier Test spread-spectrum; then setting equilibria parameters of the frequency field equilibria subcarrier of the generalized multi-carrier system of the DFT spread-spectrum according to channel frequency response, channel noise variance and equilibria method; then calculating average power of useful signal, interferential average power between signals as well as noise variance of the generalized multi-carrier system receiving terminal of the DFT spread-spectrum according to the arith relation as well as the frequency field equilibria parameter, and recomputing available signal information noise ratio, so as to calculate the available signal information noise ratio of the generalized multi-carrier transmission system accurately, the method for estimating the available signal information noise ratio can be used for link self-adapting transmission solution of the generalized multi-carrier system based on Discrete Fourier Test spread-spectrum and radio material management.

一种DFT扩频的广义多载波系统的SINR估计方法，其通过首先建立所述离散傅立叶变换扩频的广义多载波传输系统的信号输入输出之间的数学关系，然后根据信道频率响应、信道噪声方差和均衡方法，设定所述DFT扩频的广义多载波传输系统的频域均衡子载波的均衡系数，再根据所述数学关系及所述频域均衡系数分别计算所述DFT扩频的广义多载波传输系统接收端有用信号的平均功率、信号间干扰的平均功率以及噪声方差，再计算有效信干噪比，如此以实现对广义多载波传输系统的有效信干噪比的准确计算，该有效信干噪比估计方法可用于基于离散傅立叶变换扩频的广义多载波传输系统的链路自适应传输方案和无线资源管理方面。

Controlling the activity factor (in order to reduce interference and power consumption) can include: reducing the power level, prohibiting transmission of one or more devices, schwduling the transmission activity according to a stored timetable (actualised by location information or congestion bulletins).

控制活动因数(以便减少干扰和功率损耗)包括减少功率电平、禁止一个或多个设备的传输、根据所存储的时间表(该时间表是由位置信息或拥挤公告实现的)调度传输活动。

The MG700-WD mining machine is a kind of electricity drawing and high-power mining machine, this machine's fuselage is low, installation-power is large, all electric motor are fixed up horizontally, mechanical drive is all the transmission of gear, electric motor、walking case drive wheel package etc, can take from old pool side out, so the transmission is high in efficiency, easy to install and maintain.

MG700-WD型采煤机是一种电牵引大功率采煤机，该机机身矮，装机功率大，所有电机横向布置，机械传动都是直齿传动，电机、行走箱驱动轮组件等均可从老塘侧抽出，故传动效率高，容易安装和维护。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。