1.Introduction（LYBSY-3000 ACSamplingTransmitterCalibrationDevice） LYBSY-3000 istheuseofmoderntesting,DDSwaveformsynthesis,high-speeddigitalprocessor(DSP),complexprogrammablelogicarray(CPLD),large-scaleintegratedpoweramplifier,andthedesignofembeddedcomputersystemtechnology.Itissuitableforelectricenergymeter(optional),ACandDCindi...

1.Introduction（LYBSY-3000 0.05%three-phasepowerstandardsource） LYBSY-3000 istheuseofmoderntesting,DDSwaveformsynthesis,high-speeddigitalprocessor(DSP),complexprogrammablelogicarray(CPLD),large-scaleintegratedpoweramplifier,andthedesignofembeddedcomputersystemtechnology.Itissuitableforelectricenergymeter(optional),ACandDCindicat...

Chapter1Devicefeaturesandtechnicalparameters Section1Mainfeatures（LY808Relayprotectiontest） ?Flexiblecombinationofvoltageandcurrentoutput Sixphasevoltageandsixphasecurrentcanbeoutput,whichhasmadeitispossiabletobeanycombition,suchastheoutputmodeofthecombinationofconventionalfourphasecurrentandthree-phasecurrent,sixphasevoltagem...

Chapter1Devicefeaturesandtechnicalparameters Section1Mainfeatures（LY808RelayProtectionAnalyzer） ?Flexiblecombinationofvoltageandcurrentoutput Sixphasevoltageandsixphasecurrentcanbeoutput,whichhasmadeitispossiabletobeanycombition,suchastheoutputmodeofthecombinationofconventionalfourphasecurrentandthree-phasecurrent,sixphasevolt...

Chapter1Devicefeaturesandtechnicalparameters Section1Mainfeatures（LY808RelayProtectionDeviceTester） ?Flexiblecombinationofvoltageandcurrentoutput Sixphasevoltageandsixphasecurrentcanbeoutput,whichhasmadeitispossiabletobeanycombition,suchastheoutputmodeofthecombinationofconventionalfourphasecurrentandthree-phasecurrent,sixphase...

1.characteristicsandperformance Theautomaticanti-interferencedifferentfrequencydielectriclosstesterisusedforon-siteanti-interferencedielectriclossmeasurement,orprecisiondielectriclossmeasurementinthelaboratory.Theinstrumentisanintegratedstructurewithbuilt-indielectriclossbridge,variablefrequencypowersupply,testtransformerandstandar...

1.characteristicsandperformance（LYJS9000FVariablefrequencydielectriclosstester） Theautomaticanti-interferencedifferentfrequencydielectriclosstesterisusedforon-siteanti-interferencedielectriclossmeasurement,orprecisiondielectriclossmeasurementinthelaboratory.Theinstrumentisanintegratedstructurewithbuilt-indielectriclossbridge,vari...

1.characteristicsandperformance（LYJS9000FTransformerCapacitance&TanDeltaTester ） Theautomaticanti-interferencedifferentfrequencydielectriclosstesterisusedforon-siteanti-interferencedielectriclossmeasurement,orprecisiondielectriclossmeasurementinthelaboratory.Theinstrumentisanintegratedstructurewithbuilt-indielectriclossb...

SystemIntroduction TheSweepFrequencyResponseAnalyzerisusedforpowertransformerwithvoltagegradeof66kVandaboveandothertransformerswithspecialpurpose.Thepowertransformerisinevitablyvulnerabletoimpulseofvariousfaultshort-circuitcurrentorphysicalcollisionintheprocessofoperationandtransportationandthetransformerwindingsmaylosestabilityu...

SystemIntroduction TheSweepFrequencyResponseAnalyzerisusedforpowertransformerwithvoltagegradeof66kVandaboveandothertransformerswithspecialpurpose.Thepowertransformerisinevitablyvulnerabletoimpulseofvariousfaultshort-circuitcurrentorphysicalcollisionintheprocessofoperationandtransportationandthetransformerwindingsmaylosestabilityu...