查询词典 power transmission

By the time mains electricity reaches your home, more than 10 per cent of the power that was fed into the grid by the generating station has been wasted as heat, produced by the electrical resistance in the transmission cables.

但是在发电厂产生的电流通过电力网输送到你家之前，由于电缆有电阻，已经有超过10％的电能转化为热能损失掉了。

The four well-known skeleton hydro-power stations of West-East Electricity Transmission Project, named Xiangjiaba, Xiluodu, Baihetan and Wudongde from the lower reaches of Jinshajiang River to upriver reaches, are all distributed in this area. Based on the analysis of the resource exploitation and industry sustainable development status, current problems and future scenarios, the main conclusions go as follows:(1) There are abundant and varied agricultural resources, widely distributed mineral resources with valuable predominant minerals, potential tourism resources, but some main problems such as lower level of exploration and development, serious waste and pollution, restraints of financing and transportation and eco-environmental frangibility still call for immediate solution;(2) Regional economy develops fast but the overall level is low-farming and animal husbandry industries, In which crop-plantation takes the main part, dominates in the sectional structure of economy, and forestry and specialty industries need to be further developed. The existed restraints such as unbalanced structural and regional economic distribution, acute structural deficiency and low economic efficiency need to be cleared out, of the way to a sustainable future.

西电东送骨干工程的向家坝、溪洛渡、白鹤滩、乌东德四大水电站均分布在这一江段通过对该区域资源开发和产业发展的现状、问题和发展前景进行分析，得到如下主要结论：(1)该区域农业资源丰富多样，矿产资源分布广泛且优势矿种地位突出，旅游资源待开发潜力巨大，但是资源开发却面临着勘探开发程度不够、浪费污染严重、资金交通制约和生态环境脆弱等几大问题；(2)区域产业经济发展迅速但总体水平低，部门结构中以种植业为主的农牧业占主导，林牧业和特色产业有待进一步开发，产业发展面临着部类和区域不均衡、结构矛盾突出以及效益低下等问题的困扰。

Impact of ground wire in HVDC transmission line on direct current flowing into neutral point of power transformer .

输电线路地线对流入变压器中性点直流电流的影响。

Because of the low power of transmission, a hand-held mobile phone generates only a small amount of radiation.

由于采用低功率传输方式，手机产生的辐射非常少。

For the heavy structure and complex performances of the hybrid system, based on the photovoltaic effect, the state equation of ideal gas, mass and energy conservation equations, physicochemical principles, power transformation relations, flow and transmission of the heat energy, first give a set of proper assumptions and simplifications, then a set of dynamic model of all subsystem are established completely and detailed.

由于PVFC联合发电系统结构复杂，涉及到电化学、传质学、传热学等多门学科知识，以及光生伏打原理、质量守恒、动量守恒、能量守恒、第一热力学定律等多种原理和定律，所以，首先对各子系统在不影响系统性能的基础上进行适当的假设和简化，然后根据各种原理和定律分别建立各子系统的动态数学模型。

Our leading products include marine gearbox, Vehicle Transmission, engineering mechanical gearbox, industrial timing clutch, wind power generating speed increaser, industrial drive device, gearbox for agricultural machinery, friction products and powder metallurgic components, etc, which are widely used in various fields.

主导产品船用齿轮箱、汽车变速器、工程机械变速箱、调速离合器、风力发电增速箱、工业传动装置、农业机械变速箱、摩擦制品及粉末冶金零件等八大类1000多个品种，被众多领域广泛应用，其产量和出口量均居全国领先地位。

C It is inevitable to reflect on solutions to limit fault currents in power systems in the long range, if short circuit currents continue increasing as expected, a truly FCL for transmission systems is not available, and high interruptive capacity breakers are not cost effective.

如果短路电流如预料的那样继续增加，那么它不可避免的要反映在长距离范围电力系统中限制故障电流的解决方案上，用于输电系统的真实故障限流器还不能获得，而高中断能力断路器则成本效率不高。

The present project adopted the combination approach of electrical temperature probe and optical fiber transmission. Based on the mature technology of electrical detection, high-voltage insulation and anti- electromagnetic interference of optical fiber couple, the multi-channel itinerate detection system controlled by single-chip microcomputer has been designed to implement the on-line temperature monitoring for the most familiar electrical facilities ? contact points of high-voltage switches in power systems.

本课题便是采用电测温度探头和光纤传输相结合的方法，充分利用成熟的电传感技术和光纤耦合的高电压绝缘、抗电磁干扰性能强等优点，设计了单片微机控制下的多路温度巡回检测系统，实现了对电力系统中最常见的电气设备—高压开关触头温度的在线监测。

This paper generally states the operation of the closed Hunyuan Ⅳ to the 500 kV transmission line project of Tuoketuo Power Plant,the solutions of part of wire jump unit problems and constructions.

概述了托克托电厂—浑源变电站第Ⅳ回500 kV输电线路工程施工过程中，部分导线跳股问题的解决办法及施工工艺，介绍了"导线跳股处理器"的工作原理，分析了"导线跳股处理器"在实际处理导线跳股缺陷时发生的问题，制定了相应的措施。

It is superior to automatic meter reading system of power line carrier system, it is characterized by features which are not to build new communication network, more accuracy transmitting kilowatt-hour meter data, and no restriction on region, space,time and distance, and realize point-to-multipoint data transmission.

该系统优于目前电力行业广泛使用的载波方式自动抄表系统，其特点是：不需另建新的网络传输系统，数据传送实时性强，不受地域、空间、距离、时间的限制，可进行一点对多点的数据传输。

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％。