Danfoss丹佛斯Semikron Danfoss Application Note How to read 3L datasheets EN Rev-00 应用指南.pdf

ApplicationNoteRevision:00

AN15-002Issuedate:2015-12-03

Preparedby:IngoRabl

Approvedby:UlrichNicolai

Keyword:MLI,TMLI,NPC,TNPC,powerlosses,strayinductance

HowtoReadaSEMIKRON3-LevelDatasheet

1.General1

2.TheoreticalGroundwork1

2.1Definition1

2.23LPWMpattern2

2.2.1PWMgeneration2

2.2.2PWMrestrictions2

2.3Commutation2

2.3.1NPCcommutation2

2.3.2TNPCcommutation4

2.4Commutationinductance6

2.5Semiconductorswitchinglosses6

2.5.1SwitchinglossesofDiode2(NPC)6

3.SEMIKRON3LDatasheets7

3.1Measurements7

3.2Measurementofcommutationinductances7

3.3Diode2switchinglosses10

3.4Listofdatasheetfigures10

3.4.1MLIdatasheetfigures11

3.4.2TMLIdatasheetfigures12

1.General

TheaimofthisApplicationNoteistopointoutthemostimportantdifferencesandspecialfeaturesof3-

Level(3L)NPCandTNPCdatasheetscomparedto2-Level(2L).

Ageneralexplanationandderivationofalldatasheetvaluesisnotintended;thisinformationcanbefound

inSEMIKRON’s“ApplicationManualPowerSemiconductors”[2]orinparticularTechnicalExplanations.

2.TheoreticalGroundwork

2.1Definition

Thefollowinglistshowsabbreviationsandtermsfor3LdevicesthatareusedinSEMIKRONdatasheets,

TechnicalExplanation,ApplicationNotesandotherdocuments:

NPCN