ٿƽ
^ȥ׃lһ㱻늄(dng)l(f)늙C(j)D(zhun)D(zhun)Q늚O(sh)S댧(do)wO(sh)ijF(xin)˂ѽ(jng)a(chn)ȫ(d)׃l
׃lͨ2(g)Mɲ֣rectifier׃InverterݔĽD(zhun)Qֱ늣׃ֱD(zhun)QlʵĽ@2(g)֮׃l߀пܰ׃늳׃Á׃늉Ըxݔ/ݔ·늳Áa(b)׃l(ni)·ϵpʧ
ͬ׃l܉̎ԴDzһӵĎߵ߶
׃l˿Á׃Դl֮߀Á׃늄(dng)C(j)D(zhun)ٺŤԓ(yng)íh(hun)͵׃lY(ji)(gu)(j)늉Դ׃lԓ׃lͨ^댧(do)w_P(gun)}_{(dio)ƣPWMƸ늉
׃l߀ںպI(y)磺wC(j)ϵO(sh)ͨҪ400HzĽ늣ʹõĽһ50Hz60Hz(dng)wC(j)ͣڵϕr(sh)Ҫʹ׃lϵ50Hz60HzĽ׃?yu)?00HzĽ늹wC(j)ʹ
׃l·Դ·IPM(q)(dng)o(h)·sL(fng)ȵȎײֽMY(ji)(gu)ԪģKʽʹ÷_O(sh)íh(hun)׃l`(dng)l(f)ߟoMA(y)ڵ\(yn)ЧδȻȌ(du)ԭM(jn)J(rn)ȞҪ
1.1 ·ҊϷ
·ҪƽVIPM׃|ԪMɡSೣҊ늽늽ݵĉҪɼɶ˵ֱ늉̓(ni)ضQڻ·O(sh)Ӌ(j)r(sh)ѽ(jng)x̖(ho)ԃ(ni)ĜضȌ(du)늽ĉQá늽(hu)ֱӰ푵׃lʹÉһضÿ10 pһڰbr(sh)Ҫ]m(dng)?sh)ĭh(hun)ضһԲȡʩp}(dng)øƹ(sh)Ľֱ늿Ԝp}(dng)ĶL늽ĉ
So(h)r(sh)ͨԱ^לy(c)oД늽ӻr(dng)o~ֵ80%^迹5 Mr(sh)(yng)]Q늽
1.2 ·Ϸ
ϬF(xin)׃lڼpٻ\(yn)Еr(sh)F(xin)^l
ȑ(yng)^(q)ؓ(f)dԭ߀׃lԭġ׃lĹͨ^vʷӛ䛲ԃ?c)lr(sh)^׃l~ӟ^O(sh)ֵ늉ƽģt(yng)]Ƿ^dͻ׃늙C(j)D(zhun)ؓ(f)dT^r(sh)m(dng)Lٕr(sh)g^̌(du)׃loplr(sh)׃l~ӟ^O(sh)(ni)ДIPMģKP(gun)ְl(f)ȿͨ^y(c)׃l·ݔUVW քecֱ(c)PN֮gДIPMģKǷpģKδpt(q)(dng)·˹pٕr(sh)IPMģK^׃l(du)ض·lһ׃ϰģK(q)(dng)·ϣٕr(sh)IPMģK^t°ģK(q)(dng)·ֹϣl(f)@Щϵԭⲿ҉mM(jn)׃l(ni)h(hun)
1.3 ƻ·Ϸ
ƻ·Ӱ׃lԴƽIPM·еľ_ԭcǰͬ@ͨ^}(dng)ǻ·ؓ(f)dӰ푵ĶֵҪɜضȺͨ늕r(sh)gQ·ͨ^y(c)oДӻr^yһ(j)h(hun)ضԼʹÕr(sh)gǷӽʹÉ
Դ·oƻ·IPM(q)(dng)·ͱ@ʾԼL(fng)ȵṩԴ@ЩԴһ㶼Ǐ·ݔֱ늉ͨ^_P(gun)Դٷքeõijһ·Դ·˱··ܓp⣬߀ӰֵԴ`ʹԴcӵض̽ʹԴ·_P(gun)Դ֓pL(fng)ԴĶ·(do)Դ늵һͨ^^Դ·ͱ^װl(f)F(xin)
߉·׃lĺģCPUMPURAMEEPROMȴҎ(gu)ģ·кܸߵĿɿF(xin)ϵĸʺСЕr(sh)(hu)_C(j)ʹȫƶͬr(sh)](do)׃lF(xin)EEPROM@ֻҪ(du)EEPROM(f)λͿ
IPM·(q)(dng);_·Լ^늉ȱȱo(h)·߉ưPWM̖(ho)ͨ^ό늉(q)(dng)̖(ho)ݔIPMģKڙzy(c)ͬr(sh)߀(yng)y(c)IPMģKϵĹ
1.4 sϵy(tng)
sϵy(tng)ҪɢƬsL(fng)sL(fng)ȉ^RʹÉr(sh)L(fng)Ȯa(chn)(dng)ͣD(zhun)׃lF(xin)IPM^lsL(fng)ȵĉSs1000035000 h(dng)׃lBm(x)\(yn)D(zhun)r(sh)Ҫ23QһL(fng)ȻSLL(fng)ȵĉһЩa(chn)ƷL(fng)ֻ׃l\(yn)D(zhun)r(sh)Դ_r(sh)\(yn)
1.5 ⲿ늴ŸБ(yng)ɔ_
׃l܇ڸɔ_Դͨ^ݗԴ׃lă(ni)ƻ·`(dng)ɹͣC(j)(yn)ؕr(sh)p׃lpɔ_ľwУ׃l܇^|ĿƾȦbֹ_늉bRCӿӾܳ^20 cmMs̿ƻ·侀xʹc·x׃lƻ·侀gϹ(ji)x(yng)15 mmc·10 cmϵg׃lx늄(dng)C(j)h(yun)r(sh)^100 m@r(sh)һɼӴ(do)eC·2%ԃ(ni)ͬr(sh)(yng)b׃lݔ늿Áa(b)Lx(do)a(chn)ķֲݵij׃lӵضӑ(yng)Ҏ(gu)M(jn)нӵڌýӵc(din)ɿӵͬ늺(dng)ӵػã׃lݔ˰boVpݔߴCĶɽ͏ԴO(sh)Ӱ푣ͬr(sh)׃lݔҲboVԽݔ˵ľ·
1.6 bh(hun)
׃lb(du)bh(hun)Ҫ^(yn)fԔ(x)bʹíh(hun)Ҫr_(sh)oM@ЩҪ횱M(yng)ƴʩ(dng)nj(du)əC(j)еpҪԭ(du)(dng)_^Ĉ(chng)ϣ(yng)zȱʩgԚwmȌPg|^Ͷγɶ·ʩ(yng)(du)ưM(jn)зm̎÷]ʽY(ji)(gu)ضӰɿԵҪeǰ댧(do)w(yng)(j)bҪĭh(hun)lb{(dio)չֱ
c(din)⣬ڙz׃lĿ՚VsL(fng)ҲǷdzҪ(du)ĸߺ(chng)ϣֹ̎ض^Ͳ(yng)ȡO(sh)ÿ՚ӟȱҪʩ
1.7 Դ
Դ·3Nȱ늉ͣЕr(sh)ҲF(xin)Ļʽ@ЩF(xin)Ҫԭݔ늾·L(fng)ѩדɵЕr(sh)Ҳ?yn)ͬһϵy(tng)(ni)F(xin)(du)ض·g·דͼ(ji)кܴ늉(dng)⣬Щ늾W(wng)аl(f)늵ĆλҲ(hu)F(xin)lʲ(dng)@ЩF(xin)Еr(sh)ڶ̕r(sh)g(ni)؏(f)F(xin)鱣CO(sh)\(yn)(du)׃lԴҲ(yng)Ҫ
ֱӆ(dng)늄(dng)C(j)늴ŠtO(sh)ֹ@ЩO(sh)Ͷr(sh)ɵ늉Դ(yng)׃lԴxpСӰ
(du)Ҫ˲r(sh)ͣ늺^m(x)\(yn)еO(sh)xmr(ji)׃l߀(yng)A(y)ȿ]늙C(j)ؓ(f)dĽٱ(dng)׃lⲿƻ·˲gͣa(b)ʽr(sh)ʧ؏(f)ͨ^y(c)늙C(j)y(c)فֹڼе^
(du)ҪBm(x)\(yn)еO(sh)(yng)(du)׃lbԄ(dng)ГQIJͣԴbжOݔ뼰ʹÆԴ׃lmȻȱB(ti)Ҳ^m(x)Ђ(g)e^}_^L\(yn)Ќ(du)׃lĉɿɲӰ푣(yng)z̎
1.8 דБ(yng)
דБ(yng)דγɵě_늉Еr(sh)Ҳ(hu)׃lēp(dng)Դϵy(tng)һ(c)Ք·r(sh)·_](hu)a(chn)^ߵě_늉ֹ_늉^늉pͨҪ׃lݔ˼ӉՔ·(yng)RCӿ׃һ(c)Ք·(yng)ڿƕr(sh)CՔ·(dng)ǰȌ׃l_
2 ׃lĹ\༰A(y)
̖(ho)ľw׃lҪȱc(din)lن(dng)^ؓ(f)dIGBTCPUѸٰl(f)չ׃l(ni)Ƶ\༰Ϸ׃lĿɿ
ʹʸ׃lеġȫI(lng)Ԅ(dng)D(zhun)a(b)ܡеġ(dng)D(zhun)ز㡱h(hun)l׃ɳ½ȹԭõܺõĿ˷ԓ׃l(ni)Ӌ(j)C(j)ĸ\(yn)Ӌ(j)(dng)ǰr(sh)ҪD(zhun)Ѹٌ(du)ݔ늉M(jn)a(b)Եⲿl׃ɵ׃lݔD(zhun)׃
׃lܛ_l(f)ƣA(y)׃lă(ni)O(sh)øNϷֹʩʹϻܱ^m(x)\(yn)磺(du)ͣ܇^е늙C(j)M(jn)ن(dng)(du)(ni)Ԅ(dng)(f)λBm(x)\(yn)ؓ(f)dD(zhun)^r(sh)Ԅ(dng){(dio)\(yn)܉?q)C(j)еϵy(tng)ĮD(zhun)M(jn)Йzy(c)
׃lϵԭǶģֻڌ(sh)`Y(ji)ܼr(sh)NӵĹ
׃lĘ(gu)ɣ
׃lҪ··M
·ǽo늄(dng)C(j)ṩ{(dio){(dio)lԴ׃Q׃l·wϿɷ֞:늉nj늉Դֱ׃Q齻׃lֱ·ĞVnjԴֱ׃Q齻׃lֱ·V늸 ֘(gu)lԴ׃Qֱʵġ׃׃a(chn)늉}(dng)ġƽ·Լֱ׃Q齻ʵġ׃
1ʹõǶOܵ׃ѹlԴ׃QֱԴҲÃɽMw׃(gu)ɿ׃书ʷM(jn)\(yn)D(zhun)
2ƽ·ֱ늉Դ6lʵ}(dng)늉׃a(chn)}(dng)Ҳʹֱ늉׃(dng)늉(dng)늸к}(dng)늉bСr(sh)Դ·(gu)ʡȥ늸вúεƽ·
3׃ͬ෴׃njֱ׃QҪlʵĽ_ĕr(sh)gʹ6(g)_P(gun)(do)ͨP(gun)ͿԵõ3ཻݔ늉pwm׃ʾ_P(gun)r(sh)g늉Ρ
·ǽo늄(dng)C(j)늣늉lʿ{(dio)·ṩ̖(ho)Ļ·l늉ġ\(yn)··ġ늉zy(c)·늄(dng)C(j)ġٶșzy(c)·\(yn)·Ŀ̖(ho)M(jn)зŴġ(q)(dng)·Լ׃늄(dng)C(j)ġo(h)·M
1\(yn)·ⲿٶD(zhun)صָͬzy(c)·늉̖(ho)M(jn)б^\(yn)Q׃ݔ늉l
2늉zy(c)·c·λxzy(c)늉
3(q)(dng)·(q)(dng)··c·xʹ·(do)ͨP(gun)
4ٶșzy(c)·:bڮ늄(dng)C(j)SC(j)ϵٶșzy(c)(tgplg)̖(ho)ٶ̖(ho)\(yn)·(j)ָ\(yn)ʹ늄(dng)C(j)ָٶ\(yn)D(zhun)
5o(h)·:zy(c)·늉(dng)l(f)^d^늉Ȯr(sh)˷ֹ׃ͮ늄(dng)C(j)pʹ׃ֹͣ늉ֵ