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׃lgľ޴M

时间2017-04-19     

ժҪ  ݔ׃ĸ߉׃lڵȱcMB˟oݔݔ׃ĸ߉׃l·ԼIGBT ֱӴ“(lin)gֱٶȿƣDSCgҲgģ늉g헺ļgָoݔݔ׃ĸ߉׃l׃lgIľ޴M  

PI  IGBT ֱӴ“(lin)߉׃l߉׃  

ߡ͡͸߉׃lͨ^׃늉׃lͨ^·Mό늉ȥbߡ͸߉׃lָ߉ֱݔM׃b·Пoκθ߉׃ߡ׃lcߡ͡׃lǃɷNȫͬļggˮƽľ޴

IGBT “(lin)Ӽgеy}˂òøߡ͡߷ʽõ͉׃lQ߉}@ҲT}ߡ׃lڽQ˸ٹIGBT “(lin)ļgy}󣬲Qиx׃ĸ߉׃lOĂĆ}

1ܺĸߣЧʵweأ

2~rrĹ(sh)ƫCȾ^ 

3ӛ_

4xЧ

IGBT ֱӴ“(lin)gֱٶȿƣDSC gҲgģ늉g헺ļgļ`߉׃l܉ЧؽQ}

1ø߉׃ĸ߉׃lڵȱc

1.1 ܺĸЧʵwe؆}

ߡ͡͸߉׃lõ͉׃lʆԪ“(lin)MʆԪһ΂(c)@Mx׃׃΂(c)6 kV rҪ3(57)@M10 kV r38 @MpСCݔ׃΂(c)ðһҎ(gu)໥g߅νӷD1 ʾҪÿ@Mκε“(lin)ӱͬڹˇԭ򣬃(ni)@MʸͲܞ@˃(ni)@MЮa(chn)h(hun)@Nh(hun)ֻa(chn)ppǷdz^Ҏ(gu)׃Чʿ98% 99%@N׃Чֻ94% 96% ~ؓdؓdpٕr׃ĹГpģʹ׃ĸ߉׃lϵy(tng)Ч½60% 70%D2 ʾ

D1 ߅νӷ

D 2׃ĸ߉׃lc׃ĸ߉׃lЧʱ^

ʹ׃lҪǞ˹(ji)ؓdʽ(jng)̎50%90% ֮g@ǎ׃׃lĵЧ

@N׃cһ߅@M12 B18 @M׃216 Bͬ߅@MɃɶ늉BӶɶ늉gʹʸ@Ҳp@ô|BҲȻ˃(ni)˓p,ͬr˹ʵweأ䲻ɱȱ

1.2 2~rrĹ(sh)ƫCȾ^Ć}

1.2.1Pڹ(sh)}

׃@M࣬@M֮gҪߵȼĽ^@Ȼ©дͨ׃ֱӺǹ(sh)ƫ͡˂ӑՓػrӑՓ~rrκã(sh)Ñδ\~r@rCͬӲɺҕD3 ʾ

D3 ~ؓdc~ؓdrΈD

1.2.2 ׃C}

׃FозǾԴŻŜؾB-H D4 ʾd׃ʩҲ늉u rԄt׃FоĴͨܶB Srg׃ҲҲ@B udt ֮˕rĄdiotҲ@io/H=BH ϵ(sh)SB pСD4 Ќʾio(t)Փ׃Ŀdˡ@ӵкܴCI3/I1 s50%I5/I1s30% @׃~B ֵһOӋڽӽB-H Ĺc

D4 ׃B-H ̡Bi0 IJ

(j)īIBһr׃еĸߴC·(ni)о܈ƬrI3/I1 40%50%I5/I1 10%25% I7/I1 5%10%I9/I1 3%6%I11/I1 1%3%

ڛ]·򣨺ͣͨ·׃Լ“(lin)Y(ji)@Mͨ·׃ֻӋԴ“(lin)Y(ji)@MеI3/I1 ֵ֮@С1I/7Iֵ(sh)ԼߴCʣtoֵƫ

ʽ׃Fо]·׃оĴ·LȲ߅σĴ·߀ҪFܗL߅·Lȼs,g2 @·QĠr®a(chn)ؓ3 Cͨؓ3 CБ늄ӄݣ׃кؓ3 Cd׃늉rԺ3 C߅ǽӾr3 CֻМp

_׃a(chn)Cһ㲻^Ҏ(gu)Sֵ늾W(wng)׃Ŀ?c)ܞl(f)늙C?c)? Cֵdz_ȫl(f)늙C~͵1%2%׃@MӷԼ@M늾W(wng)y(tng)һʽBt_׃еͬһC»BĶɞ늾W(wng)CҪԴ

׃ĄCS늉ʹ͵߶׃~늉rĴѽӽŻĹcԮ늉^~ֵ׃CS늉߶Ѹ5 Co늉{(dio)y

1.2.3 ׃ĮCӿņ}

ֱl^׃@Mrʹ׃FоƫһͣĶa(chn)ܴżκC\иƽrСֱ^׃ʹ׃a(chn)ܴCͶ׃rԼ늾W(wng)늉ͻȻrг늾W(wng)еĶ·ϕr׃оF(xin)̶ͬȵĮĶOĄЕr_׃~Ĕ(sh)׃ʮױС͉CʘOI2 I3Գ^@Nָ(sh)Ҏ(gu)˥p˥pĕrg(sh)ȡQͨ·L/R ֮ԓrg(sh)͉늾W(wng)һ0.1s ׃ӿӿ늾W(wng)ձڵll(f)Ķ̕rֵC

늾W(wng)C迹Դ׃ԓC迹r͕l(f)׃CCʹ늾W(wng)гF(xin)^(wn)־õĸߴC늉¿ܮa(chn)غ׃ӿCܴ늾W(wng)ijһ^ʹC迹^迹rͶ׃ܰl(f)OΣUCӿ\ҪĸϽ\еݻVrͶ׃ԭҲڴ

1.2.4 P׃C(sh)Wģ

׃CԴĔ(sh)Wģp(sh)ģM׃u-io B-H ҶO·QFо·ͨ·

Կ,@ӵģͲmڽ^(sh)׃·Lܴ׃䲻mFоo·ʽ“(lin)Y(ji)׃

1.3 x׃Ćӛ_}

֪һϵy(tng)д׃(Tx׃{(dio)ؓdݔ˵Ľ׃)ϵy(tng)ӕrl(f)^_D5 ʾ׃ӕr_γɵԭ^

УD5(a) ʾ׃rFоĴŻݔ늉D5(b) ʾݔ늉늕r׃D5(c) ʾ׃dr°l(f)_rʾD@N_İl(f)_ֵͳm(x)rgSCԵؕrӽڶ·ʹϵy(tng)o_Pl_ɴС˥p^ɕrgҲS_ĴС׃ӽ·ě_^^L_װmsһcǣ_ݔ늉ܺؓDzQһӛ_l(f)ôؓtF(xin)κΛ_^^̵ě_l(f)ܣһӛ_l(f)ؓ 

tF(xin)κΛ_^^̶l(f)ؓ

ڸx׃Ͷ\rӛ_İl(f)SCԵɱڸ߉׃lϵy(tng)Oøx׃dzijNԭ罵ϵy(tng)λ^ӿɔ_ڸx׃ӛ_ĴڣʹOøx׃ijm䷴ɸصĸɔ_pϵy(tng)еO

1.4 xЧ}

ϵy(tng)Oиx׃r俹ɔ_ܾһ܏@N^ce`ڹϵy(tng)a(chn)ɔ_ԭ͸ɔ_F(xin)ǶNӵаT߉}_ëӿB(ti)^늉lɔ_(EFI) 늴Ÿɔ_(EMI) ɔ_ʽ͂ݔ;wɷ֞һǹģɔ_Dzģɔ_D6 ʾ

Ǹx׃ܿɔ_ͨ׃Ŀɔ_޵x׃׃⣬߀ɌF(xin)·g늚xQO֮gĹӵ؆}ɵؾh(hun)·Og໥ɔ_һ@Mgڷֲݣʹģɔ_ЧSɔ_lʵ½

׃ǿF(xin)һ΂(c)Ͷ΂(c)늉׃Qģ߂俹ģɔ_ĹlkHz 100MHz ĸɔ_lʷ(ni)ͨx׃ģͲģɔ_˥p΢΢ͨx׃ĹģķҪߌģɔ_PIǜpС׃@Mg׃μgOΌҪʹx׃ͬr^ÿģɔ_cģɔ_횰

ɳx׃D7 ʾ

D7 x׃

ĈD8(a) Կͨx׃ģ͹ģɔ_öСĈD8(b) Կ Όӵĸx׃ģɔ_@áD8(c) ʾdz׃Ŀɔ_ĈDпԿں܌lʶΌģɔ_ö80dB ɔ_lʳ^l00kHz rģɔ_Ҳ60dB 

(a) ͨx׃

(b) ΌӸx׃

(c)x׃

D8 Nx׃Ŀɔ_

2 ͨ^IGBT “(lin)F(xin)ֱӸ߉׃l

2.1 ·

ĈD9 ֪늾W(wng)߉늽(jng)߉·M׃l(jng)߉Oȫֱƽ늿ݞVͨ^׃M׃ݔ˲ҲVе،F(xin)˸߉׃lݔ ֱӹo߉늄әC

D9 IGBT ֱӴ“(lin)߉׃l

IGBT ֱӴ“(lin)Ķƽ늉͸߉׃lDz׃lеij켼gêضεĿƼgɹOӋһNoݔݔ׃IGBT ֱӴ“(lin)׃ݔЧ_98%ĸ߉{(dio)ϵy(tng)

ҪƄӵĈֱƄb

ֱƄbõIGBT ֱӴ“(lin)߉׃l·D

Ҫ\ԼҪĈݔԴ(c)·^СrҲɲD11 ʾPWM ·ʹݔҲF(xin)Ҳ

߂\еIGBT ֱӴ“(lin)߉׃l·D

2.2

IGBT ֱӴ“(lin)߉׃lgB

2.2.1

ٹʿPĴ“(lin)g

`еׄ(chung)ٹʿP؄eIGBT ֱӴ“(lin)ʹoݔݔ׃ĸ߉׃lɞF(xin)@ܡЧ,pСweȸҪg(jng)ָˣκһN׃loȔM

2.2.2 ֱٶȿƣDSCg

D(zhun)ơʸֱD(zhun)ؿƣDTCg֮ɼ`ׄ(chung)ͿƼgɲ_h(hun)]h(hun)ƣԳ^κһNƼg

2.2.3 ģ늉g

ÿģ늉gʹ߉׃lصȥݔ롢ݔ׃ԌF(xin)ʹ`˾߉׃lɞͬweС׃l늙CoĽ^Ҫȫmͨ¡ff/V^gǿƙC늞DSC ԉ늙Co횸Qf늙C߉늙C

2.2.4 Ҳg

ݔҲg˹ˌ늾W(wng)ĸɔ_؄eǸ(j)Դؓdr ݔ˿öNͬãԷIEEE519-92 ҪɝM޿ټӜpٵȈϵđҪԓgڲΰl(f)VOӋĄ(chung)º̓(yu)ʹݔ늉CʧС3%ʹ@N׃lmκ늙CoxƵҪ

2.3

IGBT ֱӴ“(lin)߉׃lc

2.3.1

ocȵ늄әCٶȺD(zhun)ؿ

IGBT ֱӴ“(lin)߉׃l_h(hun)ӑB(ti)ٶȿƾc]h(hun)ͨʸƵ׃loB(ti)ٶȿƾͨD(zhun)ٵ0.1% 0.5%ܝM(sh)I(y)IҪٶ{(dio)(ji)ҪߵĈɲ}_aIGBT ֱӴ“(lin)߉׃lпD(zhun)AS푑늾W(wng)(c)ؓd(c)׃ИOķʧ늡ؓdͻ׃^늉B(ti)ڿIGBT ֱӴ“(lin)߉׃lă(yu)؄e@

2.3.2

ģKĘ(gu)cOӋCϵy(tng)ĸ

ÿʆԪͬbһɳęCģKĽY(ji)(gu)ʹ{(dio)QʆԪֻ15 min, QһʆԪֻ횔_5 ӿںһwģKOӋHʹϵy(tng)Y(ji)(gu)ʮ־oҲϵy(tng)S޵ıԣϵy(tng)Ŀ

2.3.3 ЧʼƵĴͨ(yu)

IGBT ֱӴ“(lin)߉׃lϵy(tng)Ч98%@һЧʴ^׃lϵy(tng)Ч׃lϵy(tng)ЧӋ׃(sh)abCVȵēpʧ

ڃ(yu)ģʽB(ti)늄әCĴͨԄӵcؓdC˸Ч늄әCڴͨă(yu)(j)ͬؓdc늄әC͂ϵy(tng)ĿwЧ1%10%

2.3.4 ׃lݔĸ|(zh)ʹͨ늙Co횽

IGBT ֱӴ“(lin)߉׃lݔٶȺؓd(ni)ҲmͨĘ˜ʸБ늙Cͬ늙C늙Co횽ҲʹÌ׃l늙C

ڵ͹lʶΕrIGBT ֱӴ“(lin)ĸ߉PWM _Pģʽ늄әCCڸ߹lʶPWM c(ni)׃lе΢όCMһc\ȣ]~늙C˲׃늉늄әC^ƉĬF(xin)

2.3.5 oƽ(wn)늙C\н•

•\еֱԭǸ|(zh)늉ݔ_PB(ti)Ƿքe_ģ]й̶_Pl˛]ʹͨPWM gĽbгҊĹĴ̶

Y(ji)Z

ʆԪ“(lin)ػδܽQIGBT “(lin)y}rѲȡһ^ɴʩʹoB(ti)~ؓdrһЧ׃lHؓd^ɺ˲B(ti)rڵĆ}ǟowȥ׃IGBT ֱӴ“(lin)ݔ˲ȡһЩʩ(j)ÑԴòͬ늴żݣEMC·ؓʽ俹ɔ_Դĸɔ_(sh)ϵy(tng)Чʾǎ׃ĸ߉׃loɱȔMJ顰Ǹx׃пɔ_á^cnjx׃ܵ`

IGBT ֱӴ“(lin)߉׃lڲµ·Y(ji)(gu)ͿƼgȥԴݔ˵ĸ߉׃ĶpС˸߉׃lwe@ؽ˳ɱԪp߹ЧڸƺµĿƹ˄ӑB(ti)@ؽ͹•ڽY(ji)(gu)׌F(xin)ɻģKЧO\еķ(wn)ԺͿɿoݔݔ׃ĸ߉׃l׃lgľ޴M

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