Ϣ(li)Դ׃l硷ĺ(jin)ҪИI(y)c(din)ԼM(jn)Љ׃lИI(y)ėlˎc(din)h
1Ј(chng)F(xin)
(j)Ї(gu)(jng)(j)l(f)չr(li)ĿǰƼsЇ(gu)(jng)(j)l(f)չĴc(din)(wn)}ú\(yn)ú-\(yn)-늣@һlƼsf(xi){(dio)l(f)չĽ(jng)(j)δ(li)(ni)(ji)(ji)h(hun)(hu)ᵽĹճρ(li)Ҫnj(hu)ᵽI(y)F(tun)Ĺճρ(li)(du)ڻұʯͻИI(y)(li)f(shu)(ji)Ҳǹ(ji)úҲǭh(hun)ͬr(sh)ǽͳɱЧ;֮һ˹(ji)ܵĴ(hu)u(li)ͬr(sh)Ҳ(hu)o߉׃lI(y)(M(jn)(gu)a(chn))ṩһ(g)Ј(chng)C(j)SI(y){(dio)ơԇa(chn)Љ׃l{(dio)
2Ї(gu)I(y)c(din)
Ї(gu)@Kĸ_(ki)Ŷʮ(li)γ@һNڅ(sh)
o(w)ՓĂ(g)ИI(y)ֻҪJ(rn)Ј(chng)ǰڃ(ni)(rn)Sҵ۹ⲻsͬļе@(g)ИI(y)ρ(li)һϡ(jng)@Ї(gu)VCDИI(y)
F(xin)ڵұ늽X늏Sµ͵ИI(y)(gu)˽Y(ji)ǣںܶ̕r(sh)g(ni)a(chn)h(yun)h(yun)(j)(jng)(j)W(xu)^a(chn)20~30%(du)I(y)(jng)(zhng)Ͱl(f)չк̎a(chn)100~200%(du)ИI(y)(li)f(shu)o(w)һ(chng)(zi)y
3ИI(y)c(din)
Ї(gu)Ĺʰ댧(do)w߀HHͣڹʶOɿعGTOļg(sh)(li)](mi)дİl(f)չĿǰV(yng)õMOSFETIGBTIGCTȫهM(jn)
ڛ](mi)Ї(gu)a(chn)M(jn)ˇ(yn)QЇ(gu)ИI(y)İl(f)չ90%ϵЈ(chng)M(jn)ڮa(chn)ƷռI(lng)ИI(y)c(din)
(1) ИI(y)ԽС늉Խa(chn)ďSԽࣻԽ늉Խߣa(chn)ďSԽ
Ŀǰ͉׃lďSұT(mn)ABBʩ͵˹|֥ʿABȡ
ĿǰЉ׃lı^õֻ(gu)AB_eձĖ|֥WT(mn)ӵ
(2) g(sh)
һ(g)W(xu)ƽ͌W(xu)ƣ늚̼g(sh)Sg(sh)İl(f)չcF(xin)ՓϿƌW(xu)늙C(j)Ӽg(sh)SI(lng)P(gun)
(3) _(ki)l(f)ɱ
Ӯa(chn)ƷeǴʵĮa(chn)Ʒ_(ki)l(f)Ҫĸ߾O(sh)̓xڹʰ댧(do)w(IGBT)(ni)^F(xin)óҎ(gu)ֶ^y(c)ڑ(yng)^(gu)ͻȻpĵĬF(xin)(jng)l(f)ֻвҎ(gu)ɲܺܺõđ(yng)@Щ(jng)(yn)ķeҪYͶĿǰЩ(gu)a(chn)Љ׃lʹ^(gu)߀IGBTըĬF(xin)l(f)
4M(jn)Љ׃lИI(y)횾߂ėl
(1) ˼ϵĜ(zhn)
Ӯa(chn)Ʒ_(ki)l(f)L(zhng)YͶҪӲ־Ñ(zhn)ġֻڮ(dng)ǰ(ji)˳A@ø~؈(bo)a(chn)ƷN(xio)۴Љ׃lһ(xing)I(y)(li)Ҫм(x){(dio)УǰֻͶ](mi)л؈(bo)˼(zhn)tòҪM(jn)܊@(g)ИI(y)
(2) ˲ŵĜ(zhn)eǸg(sh)(sh)˲ŵĜ(zhn)
ИI(y)ˆTČ(sh)H(jng)(yn)ķeҪκη涼ҪJ(rn)Ўׂ(g)Tʿʿ͕(hu)ܿİѮa(chn)Ʒ_(ki)l(f)(li)ƿɿϾͲ(hu)ֻһ(g)T(mn)һ(g)|֥һ(g)GEһ(g)AB˹ˇϵy(tng)g(sh)Ľ(jng)(yn)ķeǷdzҪ
5oИI(y)еI(y)Ľh
(1) đB(ti)Ҫ[Ҫ
|(zh)摪(yng)ԓ_̤(sh)ȥЉ׃lČ(sh)I(y)nj(sh)(sh)ڵI(y)һc(din)δÑʹÕr(sh)(hu)ӳ(li)@һc(din)ձ|֥®a(chn)ƷڹS\(yn)1~2N(xio)ۡa(chn)ƷڹS(sh)(yn)r(sh)ˆ(wn)}@ƵҪĸM(jn)ʹa(chn)Ʒһa(chn)ƷƷN(xio)۳ȥF(xin)tǮa(chn)Ʒ|(zh)Ć(wn)}(du)ڹI(y)(ni)ʿڌԭÑtӳʸɴf(shu)a(chn)Ʒ(du)(gu)a(chn)Љ׃lķ
˽hЉ׃lđB(ti)Ҫ[ҪڗlSr߀һζȥӆεY(ji)ǼӰI(y)u(y)ʹġѡ̎ڱ(dng)ľͬr(sh)Ӱ푵҂ИI(y)
(2) ИI(y)f(xi)(hu)
ڃr(ji)ҽhW(xu)һW(xu)W˽M҂(yng)ԓԼИI(y)f(xi)(hu)(yng)ԓьI(y)(x)ֹԽ(x)|(zh)ŕ(hu)ɱŕ(hu)½I(y)(ni)](mi)нO(sh)ɱ](mi)н(li)r£ֻһζĽͮa(chn)Ʒr(ji)@(du)ИI(y)Ϳ͑(li)f(shu)Dzؓ(f)؟(z)
҂(du)͑Z|(zh)5߀10ҪC҂I(y)Ҫ1020100
I(y)gĸ(jng)(zhng)Ƕg(sh)|(zh)(w)r(ji)҂ܰѸ(jng)(zhng)HHڃr(ji)҂ҪoИI(y)c(din)oۺ(w)c(din)ɱ҂Įa(chn)ƷSo(h)һľx
֮Љ׃lЈ(chng)ǰã·ǺҪ˼(zhn)䣬Ї(gu)Ј(chng)l(shu)Ҳܰ@Ҫ҂ИI(y)ϵĻf(xi)ֹ(x)P(gun)ИI(y)P(gun)δ(li)
ИI(y)l(f)չI(y)@@҂ͬĿ(bio)