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l늙CܛIеxc

时间2017-04-19     

һ lܮa(chn)Ʒc 

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

ӢĞ Thyristor,ҲQɿع Silicon Controlled Rectifier һN P-N-P-NČ PN Y(ji)Ĺʰ댧w 늘O ꖘO A ꎘO K TO G һN Ҫʹ䌧ͨ횾߂ɂl һꖘOλꎘOλ ƫ ǿTOʩʺ͌ȵ|l(f)}_̖lܾc ͨʹTO|l(f)̖ȥ ֻҪ^ھS һʮ ߀܌ͨ Ҳfͨ^P|l(f)̖PྦྷlDzе @cc IGBT GTR MOSFET ͬ ҪP 회S֌ͨpСS ЕrҪMЏP,Pr,ʩӷƫ늉 ֱP 

lе͵Čͨ ^͛_͸߉ڸNͬ͵׃QbбVʹý늙CܛӾһ͵đá 



l܅(sh)f 

ʹ߁f Ҫ_ʹþl ȾҪlܵĸ늚Ⅲ(sh)һԔ˽@ӾͿ_x ڌH (sh)˲ȫ˽ 羧l~˷Qƽֵ Hؓd˷Q~Чֵ ֮gи^(q)e бҪׂҪ(sh)һЩf 

l~ƽֵ ITAV IFAV 


ĈD a пӋ~ͨB(ti)ƽֵ ITAVҰ벨ֵ Im ֮g(sh)W_ʽ: 



1 ֻl~ͨB(ti)ֵЧֵ IRMS 

2 ֻΪbľlܷ“(lin)Чֵ:IRMS 

D b ֻbɿع跴“(lin)γһpɿع pɿع辧l~ƽֵ˷Q ^齻 ƽֵ ֻýЧֵ IRMS ˷Q ɹʽ1 ÿlͨ^İ벨ֵ Im= ITAV ؓɂ벨ýMһҲ ԓҲֵ x ITAV ^ MTX ģK~Чֵֵ


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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 ˷Q ʽ 3 ͬm ڿ] MTX (ni)ÿl~ƽ ITAVֵچΪyԇryõ,pоͬrrf 10ms 挧ͨ,о֮g໥һcӰ ʰIRMS=1.6-2.0 ITAV]ƽֵͷЧֵ 

l͉ą(sh) VDRM;VRRM; VDSM;VRSM 

l늉ָ B(ti)؏ͷֵ늉 VDSM B(ti)؏ͷֵ늉VDRM B(ti)؏ͷֵ늉 VRSM B(ti)؏ͷֵ늉 VRRM ϸ؏ζlꖘOܵ늉һ©(ni)ǿ؏ʩӵ ؏ζlꖘO늉ֵ ^ֵ©׃ ^~ֵ ҜغͽY(ji)ؕr©~ֵһ vָ͉˕r Óx© ©ָa(chn)ڮa(chn)ƷfлϸCжo_ķ һf Ҝ© 2mA Y(ji)© 20mA  www.dqjsw.com.cn 

؏ͷֵ늉Ͳ؏ͷֵ늉 һ㰴 VDRM= VDSM-100V VRSM= VRSM-100V˷Q (ni)һ㰴 VDRM= VDSM-200V VRRM= VRSM-200V VDRM= VDSM 80-90 %VRRM= VRSM 80-90 %˷Q 

l늙Cܛеđ 

늙Cӕrһ~ Ie 6-7 ˲g늾W(wng)_ܴ ׃Ҫ ͬrҲOɺܴӰ 

H^ 7.5KW 늙CҪ󽵉 y(tng)Ľӷʽдſؽ  /Y ׃Qӵ ǷNʽ늾W(wng)߀ǴһɴεĴ_ þlܔ(sh)ֿܛ бBĆӃ(yu)Խĺ̎ ҪF(xin)ڽ늙C ͶY әCе L늙CPOʹÉ Ӆ(sh)ҕؓd{(dio) ڸƹˇ oO䡣 


1 l늙Cܛԭ 

l늙CܛеđһNþlMн{(dio)đ þlܿ ׃l܌ͨλ {(dio)c ҂֪늙CD(zhun)ϵcڶ늉ƽȵ ˸׃늙C@Mϵ늉 ɸ׃늙CD(zhun)ϵD(zhun) Ķɸ(j)늙Cؓdľwr O늙C 늙Cc~ Ie ı O늙C 0.5 Ie; Ie;; 2 Ie; 3 Ie; 4 Ie ӷʽ 乤ԭˆD (ni)݁www.dqjsw.com.cn 


2 lܵx 


l늙CܛPIĹ CbǷɿc_xl~ 늉ȅ(sh)кܴPϵ x͵ԭtԓȿ]ɿ 늉(sh) Α](jng)Լԃr 󑪿]b^ weMpСȌڵ͉늙C 늉 380V lܵ؏~늉 VDRM VRSM x 1200V ڸ߉ 660V 늙C tx늉 2200V ϵľl ڸ߉ 1100Vĸ߉늙C l͉ܵx늉 3500V  

l~x 횿]늙C~ һf 늙Cÿ~Чֵ Ie Ie=2.5-3 Peࣩ 늙C~ KW ÿһǧ KWஔڃɂ һ 55KW ཻ늙C ÿ~Чֵ 110A]ɱϵķŴ x~ƽ 275A/2.22 125A ϵƽʽl x~ƽ 275A/1.8 150A ϾlģK MTX ϵ 

ϵ늙Clܵxб H ҼObÃHH늙Cܛ bη| b߀늙C(ji)ܽ(jng)\ bò·| tֵ 2 Ͽ] ߀횱Cɢl


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늙Cܛb,ڶDzÃɂl“(lin)MɵĽ{(dio) ܸؓһlܹ ˌɂ“(lin)(sh)һҪ^ l|l(f)(sh) S(sh)ҲMҪxһ M׌ؓ벨Q tֱɷ^늙C 늙C龀Ȧ@M ؓd늸 ^ߵֱʹ늙CӰl(f) 늙CȦ@M Ķʹ늙CU @c lģKڹоb֮ǰM^x һ߀ϵ һ |l(f)·OӋ MÏ|l(f)ķʽ ܼ|l(f)(sh)IJ 

lܵıo 

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

^늉o 


^rlֵܑܵ늉Q^늉 ·a(chn)^늉ⲿԭҪד 늾W(wng)늉Ҳӻɔ_ (ni)ԭҪ·B(ti)l(f)׃re۵늴ܼrɢ (j)a(chn)ԭɷ֞ _P^늉דɔ_^늉 ˱횲ȡҪĴʩ ʹlܳܵ^늉؏ͷֵ늉 VRSM VDSM ֵ


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lP^늉 Q^늉o 

lP 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 ·^ԓ Ԫxȡֵ±н(jng)ֵ͹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 

(c)·ڽͨ _ra(chn)^늉 @^늉o 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 ʲ˽ھlܵăɶ -12TVS ɶܵ˲r߉r ԘOߵٶ 10 /S ĸ׃?yu)ո_(sh)ǧߵӿ TVS IJ̖܅(sh)± (ni)݁www.dqjsw.com.cn늚ԄӻgW(wng) 


^o 

 

ӽM©׃ 늿ƶ· ˷Nڽ^rڽ 

zy^^ 

ͨ^zyHֵcOֵMб^ Hֵ^Oֵr ͨ^^ݔ늉ֵǶ׃ķp ЕrͣC Ո:ݔOW(wng) g[Ϣ 

۔ 

cͨ۔^ ۔njTÁo댧w^ п۔ ^ 6 ~r۔rgС 50Hz 늵һ 20 ms ۔ɽڽ(c) ֱ(c)clܘ۴“(lin) ֱЧ һf۔~ֵ Чֵ Сڱolܵ~Чֵ ͬrҪ^lܵČHЧֵ 늉ʵıo 

늉 dv/dt 

lr ꖘO֮gஔһY(ji) ͻꖘO늉ra(chn) ܌¾l`ͨ ӵ늉ʱ횼 һԪ“(lin)ھl܃ɶ˵k (ni)݁www.dqjsw.com.cn늚ԄӻgW(wng) 

di/dt 

l_ͨr ǏĿTO^(q)ꎘO_ʼͨȻuUչꎘO^(q)ֱȫͨ,@^Ҫһĕrg ꖘO̫ ʹUչӵ PNY(ji) TOꎘOܶ^ l(f)^ڼ PN Y(ji)ؕܿ쳬^~Y(ji)ض ʱ޶lܵRֵ di/dt һژд늸лFŭh(hun) 

ضȱo 

ģKa(chn)Ʒcһ ڌH оضȵ߽Y(ji)ؼ ֱ_^~Y(ji) Tjm ȡʩ@Nɢl(f)ȥ ͕ʹо׃ܛ © ֱȫ^p lܵēpҪɌͨpģͨƽcͨƽ˷e _Pp TOpֽM Ҫ?q)ͨp


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