电机学电机学电机学 (26).ppt

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1、Electrical MachineryTypes of synchronous generator and nameplate,rated values5.3.Classification of synchronous generator and nameplate,rated valuesClassification of synchronous generator:Turbo generatorHydro-generatorClassification as per the type of prime moverSalient pole typeNon-salient pole type

2、Classification as per rotor structureHorizontal typeVertical typeClassification as per installation modeAir coolingHydrogen coolingWater coolingClassification as per cooling medium5.3.Classification of synchronous generator and nameplate,rated valuesName plate of synchronous generator:QFSN 300 2Turb

3、o generatorWater inner coolingMagnetic polenumber(Output)rated active power(MW)5.3.Classification of synchronous generator and nameplate,rated valuesName plate of synchronous generator:TS 900 /135 56Hydro-generatorLength of stator iron core/cmExternal diameter of stator iron core/cmNumber if magneti

4、c poles5.3.Classification of synchronous generator and nameplate,rated valuesRated values of synchronous generatorRated voltage UN:rated line voltage of the three-phase windings when in rated operation.Rated current IN:line current going through stator winding when in rated operation.Rated power factor cos N:power factor on the stator side when in rated operationRated power PN:active power output from generator stator when in rated operation.Rated Frequency fN:50HzRated rotating speed nN:synchronous speed nN=60fN/pTHANKS FOR WATCHING!