大功率igbt散热器水冷热阻计算

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1、2013୍1ᄅ15ರགྷս׈ሰ࠯ඌJan.201336ज2௹ModernElectronicsTechniqueVol.36No.2165նۿੱIGBT೛ಣఖඣ৏ಣቅ࠹ෘઅѢလđߛৡឝđ଍ၞૹđჯଠ(໳໳К޵đჽ࿐߄׮ሱ࿐ն۽৘430070ĎᅋေğູਔႪ߄ඣ৏೛ಣఖ೛ಣି৯đЌᅰఃॖौ۽ቔđႄႨਔԮಣ࿐ᇏࠎЧჰ৘ა܄ൔđၛ೛ಣఖຓྙࠏྀԄժaඣ఼ᇅؓੀߐಣ༢ඔބඣಣ༢ඔቔູҕඔࠣэਈ๷ਔ೛ಣఖඣ৏ಣቅ࠹ෘ܄ൔb๝ൈູਔડቀൌ࠽ႋႨđषਔ၂ᇕህႨඣ৏೛ಣఖಣቅ࠹ෘބ౷ཌ߻ᇅೈࡱđॖၛཁൕಣቅෛҕඔэ߄طэ߄۲ᇕ౷ཌđ္ॖၛᆰࢤ࠹ෘཁൕಣቅᆴbູ೛ಣఖഡ࠹ᇏҕඔႪ

2、߄࿊ᄴิ܂ᆰܴٚьҕॉbܱ࡯Սğඣ৏೛ಣఖĠಣቅ࠹ෘĠೈࡱĠնۿੱIGBT೛ಣఖᇏ๭щᅣ໓Ağ઒്ѓང໓34⁃964NTğোٳğ1004⁃373Xč2013Ď02⁃0165⁃03Forcedwatercooledthermal⁃resistancecalculationforhigh⁃powerIGBTradiatorLUOBing⁃yangđHUANGLi⁃tingđMOYi⁃minđYUANMučCollegeofAutomationđWuhanUniversityofTechnologyđWuhan430070đChinaĎAbstractğInord

3、ertoenhancetheheat⁃transfercapabilityofthewater⁃cooledradiatorandensureitsreliabilityđthebasicprincipleandformulaoftheheattransfertheorywasemployed.Takingtheradiatordimensionđwaterconductivityandwatercon⁃vectiveheat⁃transfercoefficientasparametersđthecalculationformulaofthewatercoo

4、ledthermalresistanceofradiatorwasde⁃rived.Inordertothepracticalapplicationsoftheradiatorđasoftwaretodrawthecurveandcalculatethethermalresistancewasdeveloped.Itcannotonlydisplayvariouskindsofcurvesthatthermalresistancechangeswiththeparametersđbutalsocandi⁃rectlyshowthecalculationres

5、ultofthermalresistance.Withthesefunctionsđtheparameteroptimizingdesignmethodwhichisofgooddirectivesignificancecanbewidelyusedinengineeringprojects.Keywordğwater⁃cooledradiatorĠcalculationofthermalresistanceĠsoftwareĠhigh⁃powerIGBTradiatorބཾ྘׈৯ࠏӚ൞ҐႨնۿੱ϶ุ࠯ඌࢌᆰࠏӚνಆᄎྛႵᇗေቔႨbࢌэੀ྘׈৯ࠏӚbႮႿఃऎ

6、Ⴕ༵ࣉࢌੀэ௔ٳӱݖಣ೛ఖಣ೛TBGIੱۿնؓݖ໓๙Чa෎ט༅đᄜളٳෘ࠹ቅಣࡼđൔ܄ა৘ჰЧࠎᇏ࿐ಣԮਔႨႄ༵ۚӱ߄׮ሱބᇅ॥ࠏ׈ੀࢌੱۿնa׮ᇅ׈࠯ඌหđ൐ఃᄝํਫ਼ᇶۄཌᄎൻᇏۚ෎նۿੱࠏӚູ೛ಣఖଽܥุԮಣݖӱӁളಣಣቅၛࠣ೛ಣఖഈܼٗႋႨbૄ෻ࠏӚэੀఖ൐Ⴈਔ೘ᇕIGBTଆა৏ಏ၁ࡗԮಣݖӱӁളؓੀߐಣಣቅਆٳđၛॶđࠧğඹའཋᅗѯఖč4QCĎଆॶa׈ࠏҧ୉эఖଆॶ೛ಣఖຓྙࠏྀԄժaඣ఼ᇅؓੀߐಣ༢ඔބඣčInvĎބڣᇹ୉эఖଆॶbؓଖࠏༀ؍2009୍7ᄅಣ༢ඔቔູҕඔࠣэਈ๷ਔ೛ಣఖඣ৏ಣቅ࠹2011୍5ᄅ4ರູᆸ305෻HXD1B׈৯ࠏӚэੀఖ

7、ෘ܄ൔbູਔࡥ߄ٳ༅đщᇅਔႨႿಣቅ࠹ෘೈࡱbܣᅰࣉྛھ൐ᄝॶଆ880۱4Ⴕ܋࠹ކđགྷݔࢲđ࿹טೈࡱऎႵࡥֆ༉Ҡቔࢸ૫đॖၛཁൕಣቅෛҕඔႨđԛགྷܣᅰ255ࡱՑđԛܣᅰIGBTଆॶཁൕᇀഒႵэ߄طэ߄۲ᇕ౷ཌđ္ॖၛᆰࢤ࠹ෘཁൕಣቅᆴb၂ܴٚᆰ܂ิ༅ٳ࠹ഡఖಣ೛ູఖุ϶ੱۿԢ࡮ໃߎᆸູࣂᇀđིാோྉTBGI۱ьҕॉbࡱຓჰၹᄯӮଆॶܣᅰđᆃᇕܣᅰෛሢ࠱ࢫྟߌ࣢1Ԯಣ࿐ࠎЧ܄ൔބჰ৘໑؎๷ՎႮb؟ᄹطۚശđIGBTാིაః೛ಣሑঃૡ్ཌྷܱđ෮ၛؓႿ׈ሰఖࡱ৏ಏބ೛ಣӮູު௹1.1ಣԮ־ჰ৘აࠎЧٚൔ[1⁃3]࿹࣮ᇗᆭ၂b๙ݖ࿹࣮ఖࡱ৏ಏބ೛ಣ໙ีđؓಣԮಣࠎЧ

8、܄ൔູğః೛ಣ่ࡱࣉྛႪ߄ڿᄯđ൐ఃି࣐ਈӉൈࡗ۽ቔ