发电机差动保护继电器

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1、发电机差动保护继电器WoodwardManualXD1-GGBWoodwardGovernorCompanyreservestherighttoupdateanyportionofthispublicationatanytime.InformationprovidedbyWoodwardGovernorCompanyisbelievedtobecorrectandreliable.However,noresponsibilityisas-sumedbyWoodwardGovernorCompanyunlessotherwiseexpresslyun

2、dertaken.©Woodward1994-20082TD_XD1-G_03.08_GB_Rev.NewManualXD1-GGBWoodwardContents1. 2. 3.3.1 3.2 3.3 4.1 4.2Applicationand33features.............................................................................4 Design...........................................................

3、................................................6 WorkingPrinciple.........................................................................................7Operatingprincipleofthedifferentialprotection................................................................7 Workingpri

4、ncipleoftheC.T.saturationdetectorSAT......................................................8 Blockdiagram.................................................................................................................11 Parametersetting.........................................

5、...................................................................13 Settingofthepickupvalueforthedifferentialcurrentld1finetrippingcharacteristic.....144. 5.Operationandsettings..............................................................................12 Relaytestingandco

6、mmissioning............................................................155.1 Connectionoftheauxiliaryvoltage.................................................................................15 5.2 Checkingtheset33values...........................................................

7、.......................................15 5.3 Secondaryinjectiontest..................................................................................................15 5.3.1 Testequipment.........................................................................................

8、..................15 5.3.2 Checkingofthepickupanddropoutvalue