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l늙C(j)ܛ(dng)I(lng)еxc(yng)

时间2017-04-19     

һ lܮa(chn)Ʒc(din)(jin) 

ıo(j) 50 ҇(gu)a(chn)lԁ (jng)v 50 Ěvʷ_ʼr(sh) 칤ˇˮƽ ܺܲ(wn) Ǖr(sh)˷Q֮¹F(xin)Sˮƽ Nஔ(dng)(wn) ѳ 3000A 늉 6000V Ϸl(f)չ 

ӢĞ Thyristor,ҲQɿع Silicon Controlled Rectifier һN P-N-P-NČ(g) PN Y(ji)Ĺʰ댧(do)w (g)늘O (yng)O A ꎘO K TO G һN Ҫʹ䌧(do)ͨ횾߂ɂ(g)l һ(yng)OλꎘOλ ƫ ǿTOʩʺ͌ȵ|l(f)}_̖(ho)lܾc(din) (do)ͨʹTO|l(f)̖(ho)ȥ ֻҪ^ھS һʮ(g) ߀܌(do)ͨ Ҳfͨ^P(gun)|l(f)̖(ho)P(gun)ྦྷlDzе @c(din)c IGBT GTR MOSFET ͬ ҪP(gun) 회S֌(do)ͨpСS Еr(sh)ҪM(jn)Џ(qing)P(gun),P(gun)r(sh),(du)ʩӷƫ늉 ֱP(gun) 

(du)lе͵Č(do)ͨ ^(qing)͛_͸߉ڸNͬ͵׃QbбVʹý늙C(j)ܛ(dng)һ(g)͵đ(yng) 



l܅(sh)f 

ʹ߁f Ҫ_ʹþl ȾҪ(du)lܵĸ(xing)늚Ⅲ(sh)һ(g)Ԕ(x)˽@ӾͿ_x ڌ(sh)H (sh)˲ȫ˽ 羧l~(bio)Qƽֵ (sh)Hؓ(f)d(bio)Q~Чֵ ֮gи^(q)e бҪ(du)ׂ(g)Ҫ(sh)һЩf 

l~ƽֵ ITAV IFAV 


ĈD a пӋ(j)~ͨB(ti)ƽֵ ITAVҰ벨ֵ Im ֮g(sh)W(xu)_(d)ʽ: 



1 ֻl~ͨB(ti)ֵЧֵ IRMS 

2 ֻΪ(d)bľlܷ“(lin)Чֵ:IRMS 

D b ֻ(d)bɿع跴“(lin)γһ(g)pɿع pɿع辧l~ƽֵ(bio)Q ^齻 ƽֵ ֻýЧֵ IRMS (bio)Q ɹʽ1 ÿ(g)lͨ^İ벨ֵ Im= ITAV ؓ(f)ɂ(g)벨ýMһ(g)Ҳ ԓҲֵ x ITAV ^ MTX ģK~Чֵֵ


(ni)݁www.dqjsw.com.cn



ITAV 

IRMS= =2.22 ITAV3 

3 MTX ̖(ho)ģKЧֵ IRMS 

D c MTC ̖(ho)ģKⲿ늘O 1 2 “(lin)һ MTX ̖(ho)ģK “(lin)γһ(g)pɿع辧l ҲֻýЧֵ IRMS (bio)Q ʽ 3 ͬm ڿ] MTX (ni)ÿ(g)l~ƽ ITAVֵچΪ(d)y(c)ԇry(c)õ,pоͬr(sh)r(sh)(yn)f 10ms 挧(do)ͨ,о֮g໥(hu)һc(din)Ӱ ʰIRMS=1.6-2.0 ITAV]ƽֵͷЧֵ 

l͉ą(sh) VDRM;VRRM; VDSM;VRSM 

l늉ָ(bio) B(ti)؏(f)ֵ늉 VDSM B(ti)؏(f)ֵ늉VDRM B(ti)؏(f)ֵ늉 VRSM B(ti)؏(f)ֵ늉 VRRM ϸ؏(f)ζl(yng)Oܵ늉һ©(ni)ǿ؏(f)ʩӵ ؏(f)ζl(yng)O늉ֵ ^ֵ©׃ ^~ֵ ҜغͽY(ji)ؕr(sh)©~ֵһ vָ͉(bio)r(sh) Óx© ©ָ(bio)a(chn)ڮa(chn)ƷfлϸCжo_ķ һf Ҝ© 2mA Y(ji)© 20mA  www.dqjsw.com.cn 

(du)؏(f)ֵ늉Ͳ؏(f)ֵ늉 (gu)һ㰴 VDRM= VDSM-100V VRSM= VRSM-100V(bio)Q (gu)(ni)һ㰴 VDRM= VDSM-200V VRRM= VRSM-200V VDRM= VDSM 80-90 %VRRM= VRSM 80-90 %(bio)Q 

l늙C(j)ܛ(dng)еđ(yng) 

늙C(j)(dng)r(sh)(dng)һ~ Ie 6-7 (dng)˲g(du)늾W(wng)_ܴ (du)׃Ҫ ͬr(sh)Ҳ(du)O(sh)ɺܴӰ 

(sh)H^ 7.5KW 늙C(j)Ҫ󽵉?jin)?dng) y(tng)Ľ?jin)?dng)ʽдſؽ?jin)?dng) ?jin)?dng) /Y ׃Q?jin)?dng) ǷNʽ(du)늾W(wng)߀ǴһɴεĴ_ þlܔ(sh)ֿܛ(dng) бBĆ(dng)Ӄ(yu)Խĺ̎ ҪF(xin)ڽ늙C(j)(dng) ͶY (dng)C(j)е(yng) L(zhng)늙C(j)P(gun)O(sh)ʹÉ (dng)(sh)ҕؓ(f)d{(dio) ڸƹˇ o(h)O(sh) 


1 l늙C(j)ܛ(dng)ԭ 

l늙C(j)ܛ(dng)еđ(yng)һNþlM(jn)н{(dio)đ(yng) þlܿ ׃l܌(do)ͨλ {(dio)c(din) ҂֪늙C(j)D(zhun)ϵcڶ늉ƽȵ ˸׃늙C(j)@Mϵ늉 ɸ׃늙C(j)D(zhun)ϵD(zhun) Ķɸ(j)늙C(j)ؓ(f)dľwr O(sh)늙C(j)(dng) 늙C(j)(dng)c~ Ie ı O(sh)늙C(j)(dng) 0.5 Ie; Ie;; 2 Ie; 3 Ie; 4 Ie (dng)ʽ 乤ԭˆD (ni)݁www.dqjsw.com.cn 


2 lܵx 


l늙C(j)ܛ(dng)P(gun)IĹ C(j)bǷɿc_xl~ 늉ȅ(sh)кܴP(gun)ϵ x͵ԭt(yng)ԓȿ]ɿ 늉(sh) Α(yng)](jng)(j)Լԃr(ji) (yng)]b^ weMpСȌ(du)ڵ͉늙C(j) 늉 380V lܵ؏(f)~늉 VDRM VRSM x 1200V (du)ڸ߉ 660V 늙C(j) t(yng)x늉 2200V ϵľl (du)ڸ߉ 1100Vĸ߉늙C(j) l͉ܵx늉 3500V ϡ 

(du)l~x 횿]늙C(j)~ һf 늙C(j)ÿ~Чֵ Ie Ie=2.5-3 Peࣩ 늙C(j)~ KW ÿһ(g)ǧ KWஔ(dng)ڃɂ(g) һ(g) 55KW ཻ늙C(j) ÿ~Чֵ 110A]ɱϵķŴ x~ƽ 275A/2.22 125A ϵƽʽl x~ƽ 275A/1.8 150A ϾlģK MTX ϵ 

ϵ늙C(j)(du)lܵxб H ҼO(sh)bÃHH늙C(j)ܛ(dng) bη| b߀늙C(j)(ji)ܽ(jng)(j)\(yn) bò·| t(du)(yng)ֵ(yng) 2 Ͽ] ߀횱Cɢl


(ni)݁www.dqjsw.com.cn



늙C(j)ܛ(dng)b,ڶDzÃɂ(g)(d)l“(lin)MɵĽ{(dio) ؓ(f)ܸ(du)(yng)һ(g)lܹ ˌ(du)ɂ(g)“(lin)(sh)һҪ^ l|l(f)(sh) S(sh)ҲMҪxһ M׌ؓ(f)벨(du)Q t(hu)ֱɷ^늙C(j) 늙C(j)龀Ȧ@M ؓ(f)d늸 ^ߵֱ(hu)ʹ늙C(j)Ӱl(f)(yn) ?x)늙C(j)Ȧ@M Ķʹ늙C(j)(bo)U @c(din) lģKڹоb֮ǰM(jn)^(yn)x һ߀ϵ һ |l(f)·O(sh)Ӌ(j) MÏ(qing)|l(f)ķʽ ܼ|l(f)(sh)IJ 

lܵıo(h) 

ھlܵē늉ӽ늉 ·Юa(chn)^늉늉 ͬr(sh)С r(sh)l(f)(yn) r(sh)@Щų (ni) PN Y(ji) Tj (sh)س^lܵĽY(ji)ؘOֵ һ TjMAX= 125Co ,ɾlܵԓp.,ڌ(sh)Hʹгx~늉~ֵ,߀횲ȡɢʩ,CL(zhng)ڿɿĹ 

^늉o(h) 


^r(sh)lܑ(yng)ֵܵ늉Q^늉 ·a(chn)^늉ⲿԭҪד 늾W(wng)늉Ҳ(dng)ɔ_ (ni)ԭҪ·B(ti)l(f)׃r(sh)e۵늴ܼr(sh)ɢ (j)a(chn)ԭɷ֞ _P(gun)^늉דɔ_^늉 ˱횲ȡҪĴʩ ʹlܳܵ^늉؏(f)ֵ늉 VRSM VDSM ֵ


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lP(gun)^늉 Q^늉o(h) 

(dng)lP(gun) ½r(sh) о(ni)(hu)Sd ڷ늉•(hu)˲gF(xin) ʹdѸʧ γɘO di/dt ʹ·д“(lin)늸кС ڷ늄(sh) V=-Ldi/dt,Ҳܮa(chn)ܸߵ늉壨ẹ̈,@(g)늉^lֵܵ,͕(hu)p (du)@N늉һ㳣õķɶ˲“(lin)ջ· ݃ɶ늉ͻ׃ռ늉 ջ·ҪMܿl ҪMܶ òßo ǧfܽTOoꎘO oꎘOܼ(x) ·^(hu)ԓ Ԫxȡֵ±н(jng)(yn)ֵ͹ʽxȡ 

 


Ĺʽ_ 

PR= f CU m x 10 ͉һ龧l늉 1.3  

ʽ fl 50HZ PR-蹦 W Um-lֵܹ늉 V C-“(lin) F 

(c)^늉O䱣o(h) 

(c)·ڽͨ _r(sh)(hu)a(chn)^늉 (du)@^늉o(h) ĿǰҪÉ˲B(ti)늉 Transient Voltage Supperessor ,(jin)Q TVS һNǾ \wĽ Ѓɂ(g)늘O OgGȾ 늉r(sh)ʸH 100uA ҵ©,^늉r(sh)ѩʵʹѸ^늉. ӷc·ͬ ڽ ֱ(c)ȫȡ dv/dt ıo(h) ʲ˽ھlܵăɶ -12TVS (dng)ɶܵ˲r(sh)߉r(sh) ԘOߵٶ 10 /S ĸ׃?yu)ո_(d)(sh)ǧߵӿ TVS IJ̖(ho)܅(sh)± (ni)݁www.dqjsw.com.cn늚Ԅ(dng)g(sh)W(wng) 


^o(h) 

 

ӽM(jn)©׃ 늿ƶ· ˷Nڽ^r(sh)ڽ 

zy(c)^^ 

ͨ^zy(c)(sh)HֵcO(sh)ֵM(jn)б^ (dng)(sh)Hֵ^O(sh)ֵr(sh) ͨ^^ݔ늉ֵǶ׃ķp Еr(sh)ͣC(j) Ո(qng):ݔO(sh)W(wng) g[Ϣ 

۔ 

cͨ۔^ ۔njTÁo(h)댧(do)w^ п۔ ^ 6 ~r(sh)۔r(sh)gС 50Hz 늵һ(g) 20 ms ۔ɽڽ(c) ֱ(c)clܘ۴“(lin) ֱЧ һf۔~ֵ Чֵ (yng)Сڱo(h)lܵ~Чֵ ͬr(sh)Ҫ^lܵČ(sh)HЧֵ 늉ʵıo(h) 

늉 dv/dt 

lr(sh) (yng)O֮gஔ(dng)һ(g)Y(ji) (dng)ͻ(yng)O늉r(sh)(hu)a(chn) ܌(do)¾l`(do)ͨ (du)ӵ늉ʱ횼 һԪ“(lin)ھl܃ɶ˵k (ni)݁www.dqjsw.com.cn늚Ԅ(dng)g(sh)W(wng) 

di/dt 

l_ͨr(sh) ǏĿTO^(q)ꎘO_ʼ(do)ͨȻuU(ku)չ(g)ꎘO^(q)ֱȫ(do)ͨ,@(g)^Ҫһĕr(sh)g (yng)O̫ ʹU(ku)չ(g)ӵ PNY(ji) TOꎘOܶ^ l(f)^ڼ PN Y(ji)ؕ(hu)ܿ쳬^~Y(ji)ض ʱ޶lܵRֵ di/dt һژд늸лFŭh(hun) 

ضȱo(h) 

ģKa(chn)Ʒcһ ڌ(sh)H (hu)оضȵ߽Y(ji)ؼ ֱ_(d)^~Y(ji) Tjm ȡʩ@Nɢl(f)ȥ ͕(hu)ʹо׃ܛ © ֱȫ^p lܵēpҪɌ(do)ͨpģ(do)ͨƽc(do)ͨƽ˷e _P(gun)p TOpֽM Ҫ?q)ͨp


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