• The Transactions of the Korean Institute of Electrical Engineers C
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• v.54 no.6
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• pp.245-250
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• 2005

Inthispaper,wepresentedinvestigationonthemeasurementofthermalimpedanceofphasecontrolthyristoranditsexperimentalresults.Thermalimpedanceiscomposedofthermalresistanceandheatcapacity.Thermalresistancewasdrivedfromtheresponsecharacteristiconunitsteptothermalsystemashighpowerthyristor,IPMandpowerdevice.ThethermalmodelofthemisdescribedasadiscreteR(z)functionandthecorrespondingFoster.orCauelladdernetworkmodel.Toconfirmthismeasurement,withusingWestcodeandDynexthyristorasasample,thisonewasverifiedwith10$\%$errorascomparedwiththethesedata-sheet.