电压测量变压器将电压从300千伏降低到100千伏以保护电路。
A voltage measuring transformer decreases voltage from 330 kV to 100 kV for protective circuit.
安装在住宅屋顶的太阳能光伏系统则与其相反,它让光线直接照射半导体材料以产生动力。
By contrast, photovoltaic solar power systems, mostly used on home rooftops, let light interact directly with semiconductor materials to generate power.
如果大型强子对撞机LHC以7万亿电子伏全力运转,碰撞粒子的能量就相当于你吃0.00013微克糖得到的能量。
If the LHC was operating at its full 7 trillion electron volt capacity, the colliding particles' energy would equal what you'd get from eating 0.00013 micrograms of a candy bar.
到目前为止,大型强子对撞机将质子-反质子对撞机设置的质量限制扩大了两倍,以高达约700千兆电子伏的能量规模高速运作也未能找到任何超夸克的存在。
So far the LHC has doubled the mass limit set by the Tevatron, showing no evidence of squarks at energies up to about 700 gigaelectronvolts.
以铅和二氧化铅为例的电池,每节电池的电位差可产生2伏电压。
In the case of lead and lead dioxide, this potential difference is just over two volts per cell.
光伏太阳能电池板的改善最为显著,但以目前的研发速度,至少还需要5至10年的时间才能实现太阳能发电与目前的化石燃料势均力敌。
Photovoltaic solar panels have made significant improvements, but they are still five to 10 years away from achieving economic parity with fossil fuels-at least at current rates of development.
Djurdjev先生表示:“以目前的趋势看,到本世纪末,伏伊伏丁那地区90%的人口将是塞尔维亚人,而所剩下的10%将大部分由匈牙利人与罗马里亚人构成。”
On current trends, says Mr Djurdjev, Vojvodina will be 90% Serb by the end of the century. The remaining 10% will consist largely of Hungarians and Roma.
以尼克·伏蔓为首的俄勒冈州珍宝蟹委员会就不会这么热情。
《美国国家电气法规》第690.5条规定,安装于住宅楼顶的任何光伏阵列都必须配备接地故障保护器件,以减少火灾隐患。
The National Electric Code, in Article 690.5, requires that any PV array installed on the roof of a dwelling must incorporate a ground-fault protection device to reduce fire hazards.
研究者表示:“我们的设计以安全性为主要考量,最小化外形因素,以软线圈为材料,真正实现了电力传输高达3.”1伏特。
'Our design emphasizes safety, minimizes form factor, presents flexible coils and shows real world power transfer up to 3.1 volts,' said the researchers.
变压器把电压转化为220千伏,然后从110千伏转化为10千伏。只有以这种方式,电力才能被配送到城市电力网。
Transformers convert voltage to 220, then from 110 to 10 kV and only in such form electricity is fed into the town network.
对以聚乙烯醇为载体的固体碘伏进行了消毒饮水效果观察。
The germicidal effect of solid iodophor (with polyvinyl alcohol as the carrier) on Escherichia coli in water was observed in laboratory.
本文介绍了光伏组件的配置、光源的选择、储能装置的选用、控制器的设计以及整个系统的设计方法,希望能给读者以参考。
This paper introduces how to choose the PV module, the light source, the energy storage equipment and how to design the controller and the whole system, and I hope it will g.
稳定期以肾气不固、痰邪内伏为主要病因,以防哮汤调治。
The key pathogenesis in alleviate period is phlegm, which Huanxiao Decoction is used.
世界头号食品公司将宝压在健康营养产品的新兴阶层以促进公司壮大。然而,危机四伏。
The world's biggest food company is betting on an emerging class of health and nutrition products to spur its growth. But risks abound.
由两个主控制继电保护系统对各条500千伏传输线进行保护,该控制继电保护系统上装有一只后备继电器,以实现初级保护与二次保护。
Each 500 kV transmission line will be protected by two primary pilot relaying systems with a backup relaying to achieve primary and secondary protection.
阐述了以MCS-51系列80C31八位单片机为核心构成的千伏级隔爆型磁力起动器实时监测控制系统。
Realtime monitoring and control system for thousand volts class ALP magnetic starter which core is MCS-51 series 80C31 8-bit single chip microcontroller is described here.
港灯的输电系统分别以275千伏特、132千伏特和66千伏特功率输电,配电则主要采用11千伏特和380伏特功率。
HEC's transmission system operates at 275 kV, 132 kV and 66 kV and distribution is effected mainly at 11 kV and 380 volts.
在线圈绕组和地线上加上200 0伏交流电以测试线圈绕组和芯铁之间的绝缘的整体性能。
An A. C. voltage of 2000 volts is applied between the winding and ground to test the integrity of the insulation between the winding and core iron.
在春节后,逐步抢修恢复500、220千伏输电系统,以确保国民经济运行的正常秩序。
In the wake of the holiday, we will gradually resume the transmission systems of 500 - and 220-kilovolt in order to ensure the normal operation of the economy.
本文以最大限度利用太阳能、把高质量电能回馈电网为主要目标,来研究和设计光伏并网逆变器,具有重要的现实意义。
In this paper, the maximum use of solar energy and gridding quality electricity back to the main research goal to design and develop photovoltaic inverter, has important practical significance.
文章以光伏并网系统为应用背景,深入研究嵌入式网关的原理、开发和实现技术。
This paper researches deeply on the principle, development and implementation technique of embedded gateway based on grid-connected PV system.
传统能源有强有力的团体和议会支持,而光伏产业必须与这些巨头抗争以获得生存空间。
There are strong support groups and lobbies for conventional fuels and photovoltaics has to fight for its place amongst these giants.
太阳光伏能、风力电能等可再生能源的目标就是要满足这一需求,而且正在取得稳步的进展,力争以更加低廉的成本发电。
Renewable power sources, such as solar photovoltaics and wind turbines, aim to fill this demand, and they are making steady progress at providing electricity at ever cheaper costs.
太阳光伏能、风力电能等可再生能源的目标就是要满足这一需求,而且正在取得稳步的进展,力争以更加低廉的成本发电。
Renewable power sources, such as solar photovoltaics and wind turbines, aim to fill this demand, and they are making steady progress at providing electricity at ever cheaper costs.
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