电力专业英语阅读与翻译 课件 9-Switch Device、10-Instruments and Transducers.pptx

电力专业英语(9)SwitchDevice参考教材：朱永强.电力专业英语阅读与翻译.机械工业出版社，2024-06

CircuitBreakersThreemovablecontacts,actuatedsimultaneouslybyaninsulatedrod,openandclosethecircuit.尝试翻译Threemovablecontacts,actuatedsimultaneouslybyaninsulatedrod,openandclosethecircuit.生词n.接触器contact翻译由一根绝缘杆同时开动的三个移动触点断开和连接电路。说明句首的actuatedsimultaneouslybyaninsulatedrod是定语从句的缩写，补全应为：whichareactuatedsimultaneouslybyaninsulatedrod。n.杆，棒rodvt.开动；促使actuate

CircuitBreakersWhenthecircuitbreakerisclosed,thelinecurrentforeachphasepenetratesthetankbywayofaporcelainbushing,flowsthroughthefirstfixedcontact,themovablecontact,thesecondfixedcontact,andthenonoutbyasecondbushing.尝试翻译Whenthecircuitbreakerisclosed,thelinecurrentforeachphasepenetratesthetankbywayofaporcelainbushing,flowsthroughthefirstfixedcontact,themovablecontact,thesecondfixedcontact,andthenonoutbyasecondbushing.生词n.陶瓷套管porcelainbushing翻译当断路器合闸时，每一相的线电流经由陶瓷套管穿入油箱，流经第一个固定触点、移动触点、第二个固定触点，然后经由第二个套管向外。说明词组bywayof表示“经由，通过”。onout放在一起，表示“向外”。

CircuitBreakersThesetotallyenclosedcircuit-breakers,insulatedwithSF6gas,areusedwheneverspaceisatapremium,suchasindown-townsubstations.尝试翻译翻译这些用SF6气体隔离的完全密封的断路器，用在进城变电站等空地十分宝贵的场合。说明短语insulatedwithSF6gas是定语从句缩写。补全应为：thoseareinsulatedwithSF6gas。

DisconnectingSwitchesAir-breakswitchesarecomposedofamovablebladethatengagesafixedcontact;botharemountedoninsulatingsupports尝试翻译翻译空气断路开关由一个与固定触点接合的移动闸刀构成；两个（触点）都安装在绝缘支撑上。生词n.空气断路器Air-breakn.闸刀bladeadj.绝缘的insulatingAir-breakswitchesarecomposedofamovablebladethatengagesafixedcontact;botharemountedoninsulatingsupports.

Itpivotsaboutoneendandthecircuitcanbeopenedbypullingontheotherendofthefusewithahookstick.尝试翻译Itpivotsaboutoneendandthecircuitcanbeopenedbypullingontheotherendofthefusewithahookstick.生词n.熔断器fusen.钩，吊钩hook翻译它一端为轴转动，用勾杆拉另