发电机组专业术语.doc

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1、发电机专业术语（词汇）AACAlternatingCurrent(AC)iselectriccurrentthatalternatesbetweenapositivemaximumvalueandanegativemaximumvalueatacharacteristicfrequency,usually50or60cyclespersecond(Hertz).交流交流是指电流在正负最大值之间以特定的频率变动，通常频率为50或60赫兹。ANSIAmericanNationalStandardsInstitute.美国国家标准协会美国国家标准协会Ac

2、ousticMaterialAcousticmaterialisanymaterialconsideredintermsofitsacousticproperties,especiallyitspropertiesofabsorbingordeadeningsound.声音材料声音材料，特指有吸音或隔音特性的材料。ActivePowerActivepoweristherealpower(kW)suppliedbythegeneratorsettotheelectricalload.Activepowercreatesaloadonthegenera

3、torset'sengineandislimitedbythehorsepoweroftheengine.Activepowerdoestheworkofheating,turningmotorshafts,etc.有功功率有功功率（kW），是指发电机组实际供应给负载的功率，它由发电机组的发动机提供，受到发动机马力大小的限制。发热和驱动马达转动靠有功功率完成。AirCircuitBreakerAnaircircuitbreakerautomaticallyinterruptsthecurrentflowingthroughitwhenthecurr

4、entexceedsthetripratingofthebreaker.Airisthemediumofelectricalinsulationbetweenelectricallylivepartsandgrounded(earthed)metalparts.空气线路断路器空气线路断路器的功能是当电流大小超过断路器的过流跳脱设定值后自动断开。空气是带电零件和接地金属零件之间的绝缘介质。AlternatorAlternatorisanothertermforACgenerator.交流发电机交流发电机AmortisseurWindingsTheam

5、ortisseurwindingsofasynchronousACgeneratoraretheconductorsembeddedinthepolefacesoftherotor.Theyareconnectedtogetheratbothendsofthepolesbyendringsorendplates.Theirfunctionistodampenwaveformdistortionduringloadchanges.阻尼线圈同步交流发电机的阻尼线圈是指嵌绕在转子磁极间的导线，他们分别在两极用端环或端板相连接，主要功能是减弱因负载变化而引

6、起的波形畸变。AmpacityAmpacityisthesafecurrent-carryingcapacityofanelectricalconductorinamperesasdefinedbycode.载流容量载流容量是以安培数来定义导线安全载流能力。AmpereTheampereisaunitofelectriccurrentflow.Oneampereofcurrentwillflowwhenapotentialofonevoltisappliedacrossaresistanceofoneohm.安培安培是电流单位。1伏电压作用于1欧姆

7、的电阻上就会产生1安培的电流。AnnunciatorAnannunciatorisanaccessorydeviceusedtogiveremoteindicationofthestatusofanoperatingcomponentinasystem.Annunciatorsaretypicallyusedinapplicationswheretheequipmentmonitoredisnotlocatedinaportionofthefacilitythatisnormallyattended.TheNFPAhasspecificrequir

8、ementsforremoteannunciatorsusedinsomeapplications,suchashospi