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时间2017-04-19     

ժҪ  (du)ݔ׃ĸ߉׃lڵȱc(din)M(jn)B˟o(w)ݔݔ׃ĸ߉׃l·ԼIGBT ֱӴ“(lin)g(sh)ֱٶȿƣDSCg(sh)Ҳg(sh)ģ늉g(sh)(xing)ļg(sh)ָo(w)ݔݔ׃ĸ߉׃l׃lg(sh)I(lng)ľ޴M(jn)  

P(gun)I  IGBT ֱӴ“(lin)߉׃l߉׃  

ߡ͡͸߉׃lͨ^(gu)׃늉(li)׃lͨ^(gu)·Mό늉ȥbãߡ͸߉׃lָ߉ֱݔM(jn)׃bã·Пo(w)κθ߉׃ߡ׃lcߡ͡׃lǃɷNȫͬļg(sh)g(sh)ˮƽľ޴ࡣ

IGBT “(lin)Ӽg(sh)еy}˂òøߡ͡߷ʽõ͉׃l(li)Q߉?jin)}@Ҳ(li)T(wn)}ߡ׃lڽQ˸ٹIGBT “(lin)ļg(sh)y}󣬲Q(li)иx׃ĸ߉׃lO(sh)Ă(g)Ć(wn)}

1ܺĸЧʵͣwe

2~rr(sh)Ĺ(sh)ƫCȾ^ 

3(dng)_

4xЧ

IGBT ֱӴ“(lin)g(sh)ֱٶȿƣDSC g(sh)Ҳg(sh)ģ늉g(sh)(xing)ļg(sh)ļ`߉׃l܉ЧؽQ(wn)}

1ø߉׃ĸ߉׃lڵȱc(din)

1.1 ܺĸЧʵwe؆(wn)}

ߡ͡͸߉׃lõ͉?jin)׃lʆԪ“(lin)MʆԪһ(g)΂(c)@Mx׃늡׃΂(c)6 kV r(sh)Ҫ3(57)(g)@M10 kV r(sh)38 (g)@MpСCݔ׃΂(c)ðһҎ(gu)໥g߅νӷD1 ʾҪÿ(g)@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(sh)׃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׃c(din)࣬һ(g)߅@M12 (g)B(du)18 @M׃216 (g)Bͬ߅@MɃɶ늉BӶɶ늉g(sh)ʹʸͣ@Ҳ(do)p@ô|BҲȻ˃(ni)裬˓p,ͬr(sh)(li)˹ʵwe䲻ɱȱ

1.2 2~rr(sh)Ĺ(sh)ƫCȾ^Ć(wn)}

1.2.1P(gun)ڹ(sh)(wn)}

׃@M@M֮gҪߵȼ(j)Ľ^@Ȼ©дͨ׃(li)ֱӺǹ(sh)ƫ˂?c)ӑՓػr(sh)ӑՓ~rr(sh)κ(sh)Ñδ\(yn)~r@r(sh)CͬӲɺҕD3 ʾ

D3 ~ؓ(f)dc~ؓ(f)dr(sh)ΈD

1.2.2 ׃C(wn)}

׃FозǾԴŻŜؾB-H D4 ʾ(dng)(du)d׃ʩҲ늉u r(sh)Ԅ(l)t׃FоĴͨܶB Sr(sh)g׃ҲҲ@?yn)B udt ֮˕r(sh)Ą(l)diotҲ@?yn)io/H=BH (do)ϵ(sh)SB pСD4 Ќ(sh)ʾio(t)Փ׃Ŀd@ӵкܴCI3/I1 s50%I5/I1s30% @?yn)׃~B ֵһO(sh)Ӌ(j)ڽӽB-H Ĺc(din)

D4 ׃B-H Bi0 IJ

(j)īI(xin)Bһr£׃(l)еĸߴC·(ni)о܈Ƭr(sh)I3/I1 40%50%I5/I1 10%25% I7/I1 5%10%I9/I1 3%6%I11/I1 1%3%

(du)ڛ](mi)·򣨺ͣͨ·׃Լ“(lin)Y(ji)@Mͨ·׃ֻӋ(j)Դ“(lin)Y(ji)@MеI3/I1 ֵ֮@С1I/7Iֵ(sh)ԼߴCtoֵƫ

ʽ׃Fо](mi)·׃(g)оĴ·L(zhng)Ȳ߅σĴ·߀ҪFܗL(zhng)߅·L(zhng)ȼs,g2 ҡ@(g)·(du)QĠr(do)®a(chn)ؓ(f)3 Cͨ(yng)ؓ(f)3 CБ(yng)늄(dng)(sh)׃(l)кؓ(f)3 Cԣ(dng)(du)d׃늉(l)r(sh)(l)Ժ3 C(dng)߅ǽӾr(sh)3 CֻМp١

_(ti)׃a(chn)Cһ㲻^(gu)Ҏ(gu)Sֵ늾W(wng)׃Ŀ?c)ܞl(f)늙C(j)?c)? ϡCֵdz_(d)ȫl(f)늙C(j)~͵1%2%׃@MӷԼ@M늾W(wng)(yng)y(tng)һʽBӣt_(ti)׃(l)еͬһC»BӣĶɞ늾W(wng)CҪ(li)Դ

׃Ą(l)CS늉ʹ͵߶׃~늉r(sh)ĴѽӽŻĹc(din)Ԯ(dng)늉^(gu)~ֵ׃CS늉߶Ѹ5 Co늉{(dio)y

1.2.3 ׃ĮCӿņ(wn)}

(dng)ֱl^(gu)׃@Mr(sh)ʹ׃Fоƫһ(g)Ķa(chn)ܴżκC\(yn)иƽr(sh)Сֱ^(gu)׃ʹ׃a(chn)ܴCͶ׃r(sh)Լ늾W(wng)늉ͻȻr(sh)г늾W(wng)еĶ·ϕr(sh)(hu)׃оF(xin)̶ͬȵĮĶOĄ(l)Еr(sh)(hu)_(d)׃~Ĕ(sh)(du)׃ʮױ(du)С͉CʘOI2 I3Գ^(gu)@Nָ(sh)Ҏ(gu)˥p˥pĕr(sh)g(sh)ȡQͨ·L/R ֮ԓr(sh)g(sh)С͉늾W(wng)һ0.1s (j)׃ӿӿ늾W(wng)ձڵġll(f)Ķ̕r(sh)ֵC

(dng)늾W(wng)C迹Դ׃ԓC(l)迹r(sh)͕(hu)l(f)׃CCʹ늾W(wng)гF(xin)^(wn)־õĸߴC늉¿ܮa(chn)(yn)غ׃ӿCܴ(dng)늾W(wng)ijһ^ʹC迹^迹r(sh)Ͷ׃ܰl(f)OΣU(xin)Cӿ\(yn)ҪĸϽ\(yn)еݻ?yn)Vr(sh)Ͷ׃ԭҲڴˡ

1.2.4 P(gun)׃C(sh)W(xu)ģ

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

Կ,@ӵģͲmڽ^(sh)׃·L(zhng)ܴ׃䲻mFоo(w)·ʽ“(lin)Y(ji)׃

1.3 x׃Ć(dng)_(wn)}

֪һ(g)ϵy(tng)д׃(Tx׃{(dio)ؓ(f)dݔ˵Ľ׃)(dng)ϵy(tng)(dng)r(sh)l(f)^(gu)_D5 ʾ׃(dng)r(sh)_γɵԭ^(gu)

D5(a) ʾ׃r(sh)FоĴŻݔ늉D5(b) ʾݔ늉늕r(sh)׃D5(c) ʾ׃dr°l(f)_r(sh)ʾD@N_İl(f)_ֵͳm(x)r(sh)gSC(j)Ե(yn)ؕr(sh)ӽڶ·ʹϵy(tng)o(h)(dng)_(ki)P(gun)l_ɴС˥p^(gu)ɕr(sh)gҲS_ĴС׃ӽ·ě_^(gu)^(gu)L(zhng)_(d)װmsһ(g)c(din)_ݔ늉ܺؓ(f)Dz(du)Qһ(g)(dng)_l(f)ôؓ(f)tF(xin)κΛ_(g)^(gu)^(gu)̵ě_l(f)һ(g)(dng)_l(f)ؓ(f)

tF(xin)κΛ_(g)^(gu)^(gu)̶l(f)ؓ(f)

ڸx׃Ͷ\(yn)r(sh)(dng)_İl(f)SC(j)Եɱġڸ߉׃lϵy(tng)O(sh)øx׃dzijNԭ罵ϵy(tng)λ^ӿɔ_ڸx׃(dng)_Ĵ(hu)ʹO(sh)øx׃ijm䷴ɸ(yn)صĸɔ_pϵy(tng)еO(sh)

1.4 xЧ(wn)}

(dng)ϵy(tng)O(sh)иx׃r(sh)俹ɔ_ܾһ(hu)܏(qing)@N^c(din)e(cu)`ڹϵy(tng)a(chn)ɔ_ԭ͸ɔ_F(xin)ǶNӵаT߉}_ëӿB(ti)^(gu)늉lɔ_(EFI) 늴Ÿɔ_(EMI) ɔ_ʽ͂ݔ;wɷ֞һǹģɔ_Dzģɔ_D6 ʾ

Ǹx׃ܿɔ_ͨ׃Ŀɔ_޵x׃׃⣬߀Ɍ(sh)F(xin)·g늚xQO(sh)֮gĹӵ؆(wn)}(du)ɵؾh(hun)·(li)O(sh)g໥ɔ_һ@Mgڷֲʹ(du)ģɔ_ЧSɔ_lʵ½

׃ǿ(sh)F(xin)һ΂(c)Ͷ΂(c)늉׃Q߂俹ģɔ_ĹܡlkHz 100MHz ĸɔ_lʷ(ni)ͨx׃(du)ģͲģɔ_˥p΢΢(du)ͨx׃ĹģķҪߌ(du)ģɔ_P(gun)IǜpС׃@Mg׃μ(j)gO(sh)ΌӡҪʹx׃ͬr(sh)^ÿģɔ_cģɔ_횰

ɳ(j)x׃D7 ʾ

D7 (j)x׃

ĈD8(a) Կͨx׃(du)ģ͹ģɔ_öСĈD8(b) Կ Όӵĸx׃(du)ģɔ_@D8(c) ʾdz(j)׃Ŀɔ_ĈDпԿں܌lʶΌ(du)ģɔ_ö80dB (dng)ɔ_lʳ^(gu)l00kHz r(sh)(du)ģɔ_Ҳ60dB ϡ

(a) ͨx׃

(b) ΌӸx׃

(c)(j)x׃

D8 Nx׃Ŀɔ_

2 ͨ^(gu)IGBT “(lin)(sh)F(xin)ֱӸ߉׃l

2.1 ·(jin)

ĈD9 ֪늾W(wng)߉늽(jng)߉·M(jn)׃l󣬽(jng)߉Oȫֱƽ늿ݞVͨ^(gu)׃M(jn)׃ݔ˲ҲV(jin)е،(sh)F(xin)˸߉׃lݔ ֱӹo߉늄(dng)C(j)

D9 IGBT ֱӴ“(lin)߉׃l

IGBT ֱӴ“(lin)Ķƽ늉͸߉׃lDz׃lеij켼g(sh)(yng)ê(d)ض(jin)εĿƼg(sh)ɹO(sh)Ӌ(j)һNo(w)ݔݔ׃IGBT ֱӴ“(lin)׃ݔЧ_(d)98%ĸ߉{(dio)ϵy(tng)

(du)ҪƄ(dng)Ĉ(chng)ϣֱƄ(dng)b

ֱƄ(dng)bõIGBT ֱӴ“(lin)߉׃l·D

Ҫ\(yn)ԼҪĈ(chng)ݔԴ(c)·^Сr(sh)ҲɲD11 ʾPWM ·ʹݔҲ(sh)F(xin)Ҳ

߂\(yn)еIGBT ֱӴ“(lin)߉׃l·D

2.2

IGBT ֱӴ“(lin)߉׃lg(sh)B

2.2.1

ٹʿP(gun)Ĵ“(lin)g(sh)

`(d)еׄ(chung)ٹʿP(gun)؄eIGBT ֱӴ“(lin)ʹo(w)ݔݔ׃ĸ߉׃lɞF(xin)(sh)@(du)Ч,pСweȸ(xing)Ҫg(sh)(jng)(j)ָ(bio)κһN׃lo(w)ȔMġ

2.2.2 ֱٶȿƣDSCg(sh)

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

2.2.3 ģ늉g(sh)

ÿģ늉g(sh)ʹ߉׃lصȥݔݔ׃Ԍ(sh)F(xin)ʹ`˾߉׃lɞͬweС׃l(du)늙C(j)o(w)Ľ^Ҫȫmͨ¡ff/V^g(sh)ǿƙC(j)늞DSC ԉ늙C(j)o(w)횸Qf늙C(j)߉늙C(j)

2.2.4 Ҳg(sh)

ݔҲg(sh)˹ˌ(du)늾W(wng)ĸɔ_؄eǸ(j)Դؓ(f)dr ݔ˿öNͬԷIEEE519-92 Ҫ󡣸ɝM޿ټӜpٵȈ(chng)ϵđ(yng)Ҫԓg(sh)ڲΰl(f)VϡO(sh)Ӌ(j)Ą(chung)º̓(yu)ʹݔ늉CʧС3%ʹ@N׃lmκ늙C(j)o(w)xƵҪ

2.3

IGBT ֱӴ“(lin)߉׃lc(din)

2.3.1

o(w)cȵ늄(dng)C(j)ٶȺD(zhun)ؿ

IGBT ֱӴ“(lin)߉׃l_(ki)h(hun)(dng)B(ti)ٶȿƾc]h(hun)ͨʸƵ׃l(du)(yng)oB(ti)ٶȿƾͨD(zhun)ٵ0.1% 0.5%ܝM(sh)I(y)I(lng)Ҫٶ{(dio)(ji)ҪߵĈ(chng)ɲ}_aIGBT ֱӴ“(lin)߉׃lпD(zhun)AS푑(yng)(du)늾W(wng)(c)ؓ(f)d(c)׃ИOķ(yng)(du)ʧؓ(f)dͻ׃^(gu)늉B(ti)ڿˣIGBT ֱӴ“(lin)߉׃lă(yu)(sh)؄e@

2.3.2

ģKĘ(gu)cO(sh)Ӌ(j)Cϵy(tng)ĸ

ÿ(g)ʆԪͬbһ(g)ɳęC(j)ģKĽY(ji)(gu)ʹ{(dio)QʆԪֻ15 min, Qһ(g)ʆԪֻ횔_(ki)5 (g)ӿںһ(g)wڡģKO(sh)Ӌ(j)Hʹϵy(tng)Y(ji)(gu)ʮ־oҲ(qing)ϵy(tng)S޵ıϵy(tng)Ŀ

2.3.3 ЧʼƵĴͨ(yu)

IGBT ֱӴ“(lin)߉׃lϵy(tng)Ч98%@һЧʴ^(gu)׃lϵy(tng)Ч׃lϵy(tng)ЧӋ(j)׃(sh)a(b)bCVȵēpʧ

ڃ(yu)ģʽB(ti)늄(dng)C(j)ĴͨԄ(dng)cؓ(f)d(du)(yng)C˸Ч늄(dng)C(j)ڴͨă(yu)(j)ͬؓ(f)dc(din)늄(dng)C(j)͂(dng)ϵy(tng)ĿwЧ1%10%

2.3.4 ׃lݔĸ|(zh)ʹͨ늙C(j)o(w)횽

IGBT ֱӴ“(lin)߉׃lݔ(g)ٶȺؓ(f)d(ni)ҲԡmͨĘ(bio)(zhn)Б(yng)늙C(j)ͬ늙C(j)늙C(j)o(w)횽ҲʹÌ׃l늙C(j)

ڵ͹lʶΕr(sh)IGBT ֱӴ“(lin)ĸ߉PWM _(ki)P(gun)ģʽ늄(dng)C(j)Cڸ߹lʶPWM c(ni)׃lе΢όCM(jn)һc\(yn)ȣ](mi)~늙C(j)˲׃늉(du)늄(dng)C(j)^ƉĬF(xin)

2.3.5 oƽ(wn)늙C(j)\(yn)н•

•\(yn)еֱԭǸ|(zh)늉ݔΡ_(ki)P(gun)B(ti)Ƿքe_](mi)й̶_(ki)P(gun)l˛](mi)ʹͨPWM g(sh)Ľ(dng)bгҊ(jin)ĹĴ̶

Y(ji)Z(y)

ʆԪ“(lin)ػ?yn)δܽQIGBT “(lin)y}r(sh)Ѳȡһ(xing)^(gu)ɴʩʹoB(ti)~ؓ(f)dr(sh)һЧ׃l(sh)Hؓ(f)d^(gu)ɺ˲B(ti)r(sh)ڵĆ(wn)}ǟo(w)wġȥ׃IGBT ֱӴ“(lin)(du)ݔ˲ȡһЩ(yng)ʩ(j)ÑԴòͬ늴żݣEMC·?f)ʽ俹ɔ_(du)Դĸɔ_(sh)ϵy(tng)Чʾǎ׃ĸ߉׃lo(w)ɱȔMJ(rn)顰Ǹx׃пɔ_á^c(din)nj(du)x׃ܵ`

IGBT ֱӴ“(lin)߉׃lڲµ·Y(ji)(gu)ͿƼg(sh)ȥԴݔ˵ĸ߉׃ĶpС˸߉׃lwe@ؽ˳ɱԪpģ߹ЧڸƺµĿƹ˄(dng)B(ti)ԣ@ؽ͹•ڽY(ji)(gu)׌(sh)F(xin)ɻģKЧO(sh)\(yn)еķ(wn)ԺͿɿˣo(w)ݔݔ׃ĸ߉׃l׃lg(sh)ľ޴M(jn)

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