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时间2017-04-19     

ժҪ  ݔ׃ĸ߉׃lڵȱcM(jn)B˟oݔݔ׃ĸ߉׃l·ԼIGBT ֱӴ“(lin)g(sh)ֱٶȿƣDSCg(sh)Ҳg(sh)ģ늉g(sh)헺ļg(sh)ָoݔݔ׃ĸ߉׃l׃lg(sh)I(lng)ľ޴M(jn)  

P(gun)I  IGBT ֱӴ“(lin)߉׃l߉׃  

ߡ͡͸߉׃lͨ^׃늉׃lͨ^·Mό늉ȥbߡ͸߉׃lָ߉ֱݔM(jn)׃b·Пoκθ߉׃ߡ׃lcߡ͡׃lǃɷNȫͬļg(sh)g(sh)ˮƽľ޴ࡣ

IGBT “(lin)Ӽg(sh)еy}˂òøߡ͡߷ʽõ͉׃lQ߉}@ҲT}ߡ׃lڽQ˸ٹIGBT “(lin)ļg(sh)y}Qиx׃ĸ߉׃lO(sh)ĂĆ}

1ܺĸЧʵweأ

2~rrĹ(sh)ƫCȾ^ 

3ӛ_

4xЧ

IGBT ֱӴ“(lin)g(sh)ֱٶȿƣDSC g(sh)Ҳg(sh)ģ늉g(sh)헺ļg(sh)ļ`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 @MpСCݔΣ׃΂(c)ðһҎ(gu)໥g߅νӷD1 ʾҪÿ@Mκε“(lin)ӱͬڹˇԭ򣬃(ni)@MʸͲܞ@˃(ni)@MЮa(chn)h(hun)@Nh(hun)ֻa(chn)pģpǷdz^Ҏ(gu)׃Чʿ98% 99%@N׃Чֻ94% 96% ~ؓ(f)d(dng)ؓ(f)dpٕr׃ĹГpʹ׃ĸ߉׃lϵy(tng)Ч½60% 70%D2 ʾ

D1 ߅νӷ

D 2׃ĸ߉׃lc׃ĸ߉׃lЧʱ^

ʹ׃lҪǞ˹(ji)ؓ(f)dʽ(jng)̎50%90% ֮g@ǎ׃׃lĵЧ

@N׃cһ߅@M12 B18 @M׃216 Bͬ߅@MɃɶ늉BӶɣɶ늉g(sh)ʹʸ@Ҳ(do)p@ôӣ|BҲȻ˃(ni)˓p,ͬr˹ʵӡwe䲻ɱȱݡ

1.2 2~rrĹ(sh)ƫCȾ^Ć}

1.2.1P(gun)ڹ(sh)}

׃@M@M֮gҪߵȼĽ^@Ȼ©дͨ׃ֱӺǹ(sh)ƫ˂ӑՓػrӑՓ~rrκ(sh)Ñδ\~r@rCͬӲɺҕD3 ʾ

D3 ~ؓ(f)dc~ؓ(f)drΈD

1.2.2 ׃C}

׃FозǾԴŻԣŜؾB-H D4 ʾ(dng)d׃ʩҲ늉u rԄt׃FоĴͨܶB Srg׃ҲҲ@B udt ֮ʡ˕rĄdiotҲΣ@io/H=BH (do)ϵ(sh)SB pСD4 Ќʾio(t)ՓΣ׃Ŀd@ӵкܴCI3/I1 s50%I5/I1s30% @׃~B ֵһO(sh)ӋڽӽB-H Ĺc

D4 ׃B-H Bi0 IJ

(j)īI(xin)Bһr׃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·߀ҪϡFܗL߅·Lȼs,g2 @·QĠr(do)®a(chn)ؓ(f)3 Cͨ(yng)ؓ(f)3 CБ(yng)늄ӄݣ׃кؓ(f)3 Cԣ(dng)d׃늉rԺ3 C(dng)߅ǽӾr3 CֻМp

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

׃ĄCS늉ʹ͵߶ġ׃~늉rĴѽӽŻĹcԮ(dng)늉^~ֵ׃CS늉߶Ѹ5 Co늉{(dio)y

1.2.3 ׃ĮCӿņ}

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

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

1.2.4 P(gun)׃C(sh)W(xu)ģ

׃CԴĔ(sh)W(xu)ģp(sh)ģM׃u-io B-H ҶO(sh)·QFо·ͨ·

Կ,@ӵģͲmڽ^(sh)׃·Lܴ׃䲻mFоo·ʽ“(lin)Y(ji)׃

1.3 x׃Ćӛ_}

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

D5(a) ʾ׃rFоĴŻݔ늉ΣD5(b) ʾݔ늉늕r׃D5(c) ʾ׃dr°l(f)_rʾD@N_İl(f)_ֵͳm(x)rgSCԵ(yn)ؕrӽڶ·ʹϵy(tng)o_P(gun)l_ɴС˥p^ɕrgҲS_ĴС׃ӽ·ě_^^L_(d)װmsһc_ݔ늉ܺؓ(f)DzQһӛ_l(f)ôؓ(f)tF(xin)κΛ_^^̵ě_l(f)һӛ_l(f)ؓ(f) 

tF(xin)κΛ_^^̶l(f)ؓ(f)

ڸx׃Ͷ\rӛ_İl(f)SCԵɱڸ߉׃lϵy(tng)O(sh)øx׃dzijNԭ罵ϵy(tng)λ^ӿɔ_ڸx׃ӛ_ĴڣʹO(sh)øx׃ijm䷴ɸ(yn)صĸɔ_pϵy(tng)еO(sh)

1.4 xЧ}

(dng)ϵy(tng)O(sh)иx׃r俹ɔ_ܾһ܏@N^ce`ڹϵy(tng)a(chn)ɔ_ԭ͸ɔ_F(xin)ǶNӵģаT߉}_ëӿB(ti)^늉lɔ_(EFI) 늴Ÿɔ_(EMI) ǣɔ_ʽ͂ݔ;wɷ֞һǹģɔ_Dzģɔ_D6 ʾ

Ǹx׃ܿɔ_ͨ׃Ŀɔ_޵x׃׃⣬߀ɌF(xin)·g늚xQO(sh)֮gĹӵ؆}ɵؾh(hun)·O(sh)g໥ɔ_һ@Mgڷֲʹģɔ_ЧSɔ_lʵ½

׃ǿF(xin)һ΂(c)Ͷ΂(c)늉׃Q߂俹ģɔ_ĹlkHz 100MHz ĸɔ_lʷ(ni)ͨx׃ģͲģɔ_˥p΢΢ͨx׃ĹģķҪߌģɔ_P(gun)IǜpС׃@Mg׃μgO(sh)ΌӡҪʹx׃ͬr^ÿģɔ_cģɔ_횰

ɳx׃D7 ʾ

D7 x׃

ĈD8(a) Կͨx׃ģ͹ģɔ_öĈD8(b) Կ Όӵĸx׃ģɔ_@D8(c) ʾdz׃Ŀɔ_ĈDпԿں܌lʶΌģɔ_ö80dB (dng)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(jn)׃l(jng)߉Oȫֱƽ늿ݞVͨ^׃M(jn)׃ݔ˲ҲVе،F(xin)˸߉׃lݔ ֱӹo߉늄әC

D9 IGBT ֱӴ“(lin)߉׃l

IGBT ֱӴ“(lin)Ķƽ늉͸߉׃lDz׃lеij켼g(sh)(yng)êضεĿƼg(sh)ɹO(sh)ӋһNoݔݔ׃IGBT ֱӴ“(lin)׃ݔЧ_(d)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׃lg(sh)B

2.2.1

ٹʿP(gun)Ĵ“(lin)g(sh)

`еׄ(chung)ٹʿP(gun)؄eIGBT ֱӴ“(lin)ʹoݔݔ׃ĸ߉׃lɞF(xin)@Ч,pСweȸҪg(sh)(jng)ָ(bio)κһN׃loȔM

2.2.2 ֱٶȿƣDSCg(sh)

D(zhun)ʸֱD(zhun)ؿƣDTCg(sh)֮ɼ`ׄ(chung)ͿƼg(sh)ɲ_h(hun)]h(hun)Գ^κһNƼg(sh)

2.2.3 ģ늉g(sh)

ÿģ늉g(sh)ʹ߉׃lصȥݔ롢ݔ׃ԌF(xin)ʹ`˾߉׃lɞͬweС׃l늙CoĽ^Ҫȫmͨ¡ff/V^g(sh)ǿƙC늞DSC ԉ늙Co횸Qf늙C߉늙C

2.2.4 Ҳg(sh)

ݔҲg(sh)˹ˌ늾W(wng)ĸɔ_؄eǸ(j)Դؓ(f)dr ݔ˿öNͬԷIEEE519-92 Ҫ󡣸ɝM޿ټӜpٵȈϵđ(yng)Ҫԓg(sh)ڲΰl(f)VO(sh)ӋĄ(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׃l(yng)oB(ti)ٶȿƾͨD(zhun)ٵ0.1% 0.5%ܝM(sh)I(y)I(lng)Ҫٶ{(dio)(ji)ҪߵĈɲ}_aIGBT ֱӴ“(lin)߉׃lпD(zhun)AS푑(yng)늾W(wng)(c)ؓ(f)d(c)׃ИOķ(yng)ʧؓ(f)dͻ׃^늉B(ti)ڿơIGBT ֱӴ“(lin)߉׃lă(yu)؄e@

2.3.2

ģKĘ(gu)cO(sh)ӋCϵy(tng)ĸ

ÿʆԪͬbһɳęCģKĽY(ji)(gu)ʹ{(dio)QʆԪֻ15 min, QһʆԪֻ횔_5 ӿںһwģKO(sh)ӋHʹϵy(tng)Y(ji)(gu)ʮ־oҲϵy(tng)S޵ıϵy(tng)Ŀ

2.3.3 ЧʼƵĴͨ(yu)

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

ڃ(yu)ģʽB(ti)늄әCĴͨԄӵcؓ(f)d(yng)C˸Ч늄әCڴͨă(yu)(j)ͬؓ(f)dc늄әC͂ϵy(tng)ĿwЧ1%10%

2.3.4 ׃lݔĸ|(zh)ʹͨ늙Co횽

IGBT ֱӴ“(lin)߉׃lݔٶȺؓ(f)d(ni)ҲԡmͨĘ(bio)(zhn)Б(yng)늙Cͬ늙C늙Co횽ݣҲʹÌ׃l늙C

ڵ͹lʶΕrIGBT ֱӴ“(lin)ĸ߉PWM _P(gun)ģʽ늄әCCڸ߹lʶΣPWM c(ni)׃lе΢όCM(jn)һc\]~늙C˲׃늉늄әC^ƉĬF(xin)

2.3.5 oƽ(wn)늙C\н•

•\еֱԭǸ|(zh)늉ݔ_P(gun)B(ti)Ƿքe_]й̶_P(gun)l˛]ʹͨPWM g(sh)ĽbгҊĹĴ̶

Y(ji)Z

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

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

ַɽ|ĵDž^(q)ɽ(zhn)ɽ426̖



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