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l늙C(j)ܛI(lng)еxc(yng)

时间2017-04-19     

һ lܮa(chn)Ʒc(din) 

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

ӢĞ Thyristor,ҲQɿع Silicon Controlled Rectifier һN P-N-P-NČ PN Y(ji)Ĺʰ댧(do)w 늘O ꖘO A ꎘO K TO G һN Ҫʹ䌧(do)ͨ횾߂ɂl һꖘOλꎘOλ ƫ ǿTOʩʺ͌ȵ|l(f)}_̖lܾc(din) (do)ͨʹTO|l(f)̖ȥ ֻҪ^ھS һʮ ߀܌(do)ͨ Ҳfͨ^P(gun)|l(f)̖P(gun)ྦྷlDzе @c(din)c IGBT GTR MOSFET ͬ ҪP(gun) 회S֌(do)ͨpСS ЕrҪM(jn)Џ(qing)P(gun),P(gun)r,ʩӷƫ늉 ֱP(gun) 

lе͵Č(do)ͨ ^(qing)͛_͸߉ڸNͬ͵׃QbбVʹý늙C(j)ܛӾһ͵đ(yng) 



l܅(sh)f 

ʹ߁f Ҫ_ʹþl ȾҪlܵĸ늚Ⅲ(sh)һԔ(x)˽@ӾͿ_x ڌ(sh)H (sh)˲ȫ˽ 羧l~(bio)Qƽֵ (sh)Hؓ(f)d(bio)Q~Чֵ ֮gи^(q)e бҪׂҪ(sh)һЩf 

l~ƽֵ ITAV IFAV 


ĈD a пӋ~ͨ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)γһpɿع pɿع辧l~ƽֵ(bio)Q ^齻 ƽֵ ֻýЧֵ IRMS (bio)Q ɹʽ1 ÿlͨ^İ벨ֵ Im= ITAV ؓ(f)ɂ벨ýMһҲ ԓҲֵ x ITAV ^ MTX ģK~Чֵֵ


(ni)݁www.dqjsw.com.cn



ITAV 

IRMS= =2.22 ITAV3 

3 MTX ̖ģKЧֵ IRMS 

D c MTC ̖ģKⲿ늘O 1 2 “(lin)һ MTX ̖ģK “(lin)γһpɿع辧l ҲֻýЧֵ IRMS (bio)Q ʽ 3 ͬm ڿ] MTX (ni)ÿl~ƽ ITAVֵچΪ(d)yԇryõ,pоͬrr(yn)f 10ms 挧(do)ͨ,о֮g໥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)ζlꖘOܵ늉һ©(ni)ǿ؏(f)ʩӵ ؏(f)ζlꖘO늉ֵ ^ֵ©׃ ^~ֵ ҜغͽY(ji)ؕr©~ֵһ vָ͉(bio)r Óx© ©ָ(bio)a(chn)ڮa(chn)ƷfлϸCжo_ķ һf Ҝ© 2mA Y(ji)© 20mA  www.dqjsw.com.cn 

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

l늙C(j)ܛеđ(yng) 

늙C(j)ӕrһ~ Ie 6-7 ˲g늾W(wng)_ܴ ׃Ҫ ͬrҲO(sh)ɺܴӰ 

(sh)H^ 7.5KW 늙C(j)Ҫ󽵉 y(tng)Ľӷʽдſؽ  /Y ׃Qӵ ǷNʽ늾W(wng)߀ǴһɴεĴ_ þlܔ(sh)ֿܛ бBĆӃ(yu)Խĺ̎ ҪF(xin)ڽ늙C(j) ͶY әC(j)е(yng) L늙C(j)P(gun)O(sh)ʹÉ Ӆ(sh)ҕؓ(f)d{(dio) ڸƹˇ o(h)O(sh)䡣 


1 l늙C(j)ܛԭ 

l늙C(j)ܛеđ(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) 늙C(j)c~ Ie ı O(sh)늙C(j) 0.5 Ie; Ie;; 2 Ie; 3 Ie; 4 Ie ӷʽ 乤ԭˆD (ni)݁www.dqjsw.com.cn 


2 lܵx 


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

l~x 횿]늙C(j)~ һf 늙C(j)ÿ~Чֵ Ie Ie=2.5-3 Peࣩ 늙C(j)~ KW ÿһǧ KWஔ(dng)ڃɂ һ 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)lܵxб H ҼO(sh)bÃHH늙C(j)ܛ bη| b߀늙C(j)(ji)ܽ(jng)(j)\(yn) bò·| t(yng)ֵ(yng) 2 Ͽ] ߀횱Cɢl


(ni)݁www.dqjsw.com.cn



늙C(j)ܛb,ڶDzÃɂ(d)l“(lin)MɵĽ{(dio) ؓ(f)ܸ(yng)һlܹ ˌɂ“(lin)(sh)һҪ^ l|l(f)(sh) S(sh)ҲMҪxһ M׌ؓ(f)벨Q tֱɷ^늙C(j) 늙C(j)龀Ȧ@M ؓ(f)d늸 ^ߵֱʹ늙C(j)Ӱl(f)(yn) ?x)늙C(j)Ȧ@M Ķʹ늙C(j)U @c(din) lģKڹоb֮ǰM(jn)^(yn)x һ߀ϵ һ |l(f)·O(sh)Ӌ MÏ(qing)|l(f)ķʽ ܼ|l(f)(sh)IJ 

lܵıo(h) 

ھlܵē늉ӽ늉 ·Юa(chn)^늉늉 ͬrС rl(f)(yn) r@Щų (ni) PN Y(ji) Tj ݱس^lܵĽY(ji)ؘOֵ һ TjMAX= 125Co ,ɾlܵԓp.,ڌ(sh)Hʹгx~늉~ֵ,߀횲ȡɢʩ,CLڿɿĹ 

^늉o(h) 


^rlܑ(yng)ֵܵ늉Q^늉 ·a(chn)^늉ⲿԭҪד 늾W(wng)늉Ҳӻɔ_ (ni)ԭҪ·B(ti)l(f)׃re۵늴ܼrɢ (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 о(ni)Sd ڷ늉•˲gF(xin) ʹdѸʧ γɘO di/dt ʹ·д“(lin)늸кС ڷ늄 V=-Ldi/dt,Ҳܮa(chn)ܸߵ늉壨ẹ̈,@늉^lֵܵ,͕p @N늉һ㳣õķɶ˲“(lin)ջ· ݃ɶ늉ͻ׃ռ늉 ջ·ҪMܿl ҪMܶ òßo ǧfܽTOoꎘO oꎘOܼ(x) ·^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 _ra(chn)^늉 @^늉o(h) ĿǰҪÉ˲B(ti)늉 Transient Voltage Supperessor ,Q TVS һNǾ \wĽ Ѓɂ늘O OgGȾ 늉rʸH 100uA ҵ©,^늉rѩʵʹѸ^늉. ӷc·ͬ ڽ ֱ(c)ȫȡ dv/dt ıo(h) ʲ˽ھlܵăɶ -12TVS (dng)ɶܵ˲r߉r ԘOߵٶ 10 /S ĸ׃?yu)ո_(d)(sh)ǧߵӿ TVS IJ̖܅(sh)± (ni)݁www.dqjsw.com.cn늚Ԅӻg(sh)W(wng) 


^o(h) 

 

ӽM(jn)©׃ 늿ƶ· ˷Nڽ^rڽ 

zy^^ 

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

۔ 

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

늉 dv/dt 

lr ꖘO֮gஔ(dng)һY(ji) (dng)ͻꖘO늉ra(chn) ܌(do)¾l`(do)ͨ ӵ늉ʱ횼 һԪ“(lin)ھl܃ɶ˵k (ni)݁www.dqjsw.com.cn늚Ԅӻg(sh)W(wng) 

di/dt 

l_ͨr ǏĿTO^(q)ꎘO_ʼ(do)ͨȻuU(ku)չꎘO^(q)ֱȫ(do)ͨ,@^Ҫһĕrg ꖘO̫ ʹU(ku)չӵ PNY(ji) TOꎘOܶ^ l(f)^ڼ PN Y(ji)ؕܿ쳬^~Y(ji)ض ʱ޶lܵRֵ di/dt һژд늸лFŭh(hun) 

ضȱo(h) 

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


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