基于TMS320F28335的单相逆变电源的设计.pdf

摘

具其其制

DSPTMS320F28335为制SPWM其

制AD7606

冲制（SPWM可成

同SPWM

其THD（

工

关：；；TMS320F28335；AD7606；SPWM

Abstract

Inverterdeviceshaveawiderangeofapplications.Theadvantagesand

disadvantagesofitsperformancemainlydecidedbythecontrolsystem.This

TMS320F28335designsystembasedonDSPasthecontrolcoreofsinglephasefull

bridgeSPWMinverterpowersupply,itshardwarecircuitandsoftwarecontrol

methodhascarriedontheanalysisanddesign,andusethechipAD7606samples.

Comparedtothetraditionalvoltageinvertercircuit,adoptingthemethodofsinepulse

modulation(SPWM)cannotonlychangeDCintotoACatthesametime,butalso

regulatevoltageandmodulatefrequency.Comparedwiththetypicalvoltageinverter

circuit,theoutputofsinglephasefullbridgeSPWMinvertercircuitdonotproduce

staticerror,andithasgoodoutputwaveform.TheTHDofoutputvoltageissmalland

thesystemisstable.Meanwhile,theoperatingcharacteristicisexcellent.

Keywords：Inverter;Fullbridgeinverter;TMS320F28335;AD7606;SPWM

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1引-1-

1.1及-1-

2-2-

2.1-2-

2.2-2-

2.3-3-

2.3.1-3-

2.3.2动-3-

2.3.3-3-

3件-4-

3.1-4-

3.1.1-4-

3.1.2工-4-

3.1.3-4-

3.2动-8-

3.2.1-8-

3.2.2工-9-