GANZ 组合电器

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1、ElectricCo.Ltd.GASINSULATEDSWITCHGEARCONTENTSIntroduction................................................2Mainfeatures...............................................3Circuitbreaker..............................................4Disconnectors,maintenanceandhighspee

2、dearthingswitches..........................7Currenttransformer....................................9Voltagetransformer....................................10Joiningandexpansionunits.......................11Surgearrester.............................................1

3、2Terminations...............................................13Gasmonitoringsystemandlocalcontrolcabinet...........................14Designandproductionfacilities......................................................15Developmentfacilities.........................

4、......16Qualityassurance......................................17Qualitycontrol...........................................18GanzTranselektroElectricCo.Ltd.1INTRODUCTIONTheincreaseddemandforelectricalenergyinbigcitiesandindustrialareashasmadeitnecessarytobringhighv

5、oltagesystemsdirectlytotheloadcentres.Itisverydifficult,andsometimesimpossibletofindasuitableplaceforinstallationoftheairinsulatedswitchgear(conventionaltype).Atthesametimeinmanyareas(cities,industrialcentres,seasideetc.)theairhasbecomeverypollutedforusinganysort

6、oftheopentypeinsulation.TheSFgasinsulatedswitchgear(GIS)guarantees6outstandingadvantagesfortheplanningandoperationofhighvoltagesupplynetworks.Forinstance,thespacerequirementcanbelessthan10%ofthespacetakenupbyanequivalentconventionalinstallation.Asalllivepartsarem

7、etalenclosedandhermeticallysealed,theSFGISiscompletely6immunetotheatmosphericpollution(fog,sand,salt...)andindustrialpollution(dust,smoke,gas...).WithSFGISallforeignbodies(persons,6animals,tools)arepreventedfromcomingintocontactwithliveparts.Thisensuresmaximumsaf

8、etytopersonnelandincreasedcontinuityofoperation.Harmfuleffects,causedbycoronaandradiointerferences,aretotallyeliminatedandthankstothelownoiselevelofthedrivingm