@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@o 2169 @@@ʏ탂[hɖ߂@@@@hmcdw@@@@O@@@@ց@@@ @Htprrzu gouklurhogwf 2018/12/2() 8:29 @ @薼 F Htprrzu @O F gouklurhogwf <jssoswiitouh@yandex.com> @t F 2018/12/2() 8:29 @v F https://prom-electric.ru/ @-------------------------------------------------------------------------
| uqpxrpu| p quuyrp }p{y}p|~ |pr~ p~rp - uqpxrp~y ~usyy yrty { y~ytu , GTO) y {p{ ru~ pxr qrtr . ^ urz p uqpxrp~y p ru}y yy}y u} ypu|~}y |utry}y , ~yxy pt rtuq|u~y (u{ {~}yy u|p (t 10 . Puy}ur} ty~p}yu{s }wu~y r rytu puuytp|~s y~p D| y}up rx}u} ~p q|uu u} ~r~u {|y , r uu~yy 2-3 u{) , tu}~y{y (t|~yu|~ rx}w~ uty~u~y rtp ~pp ru ~}y~p|~z) }p{y}p|~z }}u~ . Nutp{ wu ru} y s|prp~yu trywu~y ~u{|{y uqpxrpu|uz . Dy{u~u rt ~uqty} t| quuu~y q|us {|yurp pqpy psuspr ~p quuu~yu , r pr { rty yy y|y }puyp|p rq . Nuqty}u t| {}u~pyy ptu~y }}u~p ~p {y ry sp}~y{ rt~s ys~p|p ur|u u} yx}u~u~y p rpu~y . Np }y{{~||uu p~s uqpxrpu| O~r~}y |u}u~p}y p~s uqpxrpu| ruru~~ uux u|q}u~~y{ , ~ y { ~u{} tu~y }p-spqpy~ {pxpu|uz y~ytp|~} ys~p| . Pyrtp xptp~~} tpr|u~yu} . B tp~~} uqpxrpu|u q~ y|x r{r|~u IGBT r |ut~yu tuy|uy yru| { ~psx{u {}}uu{s utpr|u~y pr|u}s |u{yrtp ~u }uy| ~y r }psyp|y , yx}uyu|~ , t| s q ury }wu~yu ~~} {} , ~uqty}}y t| yqr - |u{}up~yu{p yu}p pr|u~y }~z ~psx{z , ut~px~pu~ t| pq ~ps~upu|uz (~pr y@ https://prom-electric.ru/articles/8/104983/ uqpxrpu| Kp{pt~z N-}rz uqpxrpu| tpu ytpy u~~ {~}y rt . D| u{yr~s y}u~u~y p~ uqpxrpu|uz r uu~yy 2-3 u{) , y pz , }t|~ }u~pu rt~ p y~t{yr~z ~psx{u r |ut~yu tuy|uy q|y pxpqp~ u} y~rur ~pwu~y rxp~~z ~uzp|~z {z (active NPC) . D| y{|u~y ~up~{y~yrp~~s r}upu|rp r uy , q ury y y~rup uqpxrpu| pu uqu q|uu u} u r~uz rt~s ~pwu~y . P~~z qu} ry|u~yz p}rxqwtu~yu} I~ru ~pwu~y (dv/dt) , {p~ p~r , t{|u~yu {s r quuyu rxpy}xp}u~u} y pr|u~y {|p}y t|w~ q t{|u~ pr|yz {}u . Dpr|u~yu r ~~z { r |pu y|xrp~y ~uus|yu}s |u{yrtp }wu uqrp y}u~u~yu r uy , pry { u} rt , {|y , r ypuz uy . B ~puu ru} rtu|u~y u|p r RRRQ r }|u~~y y|x t| py~~~ |u{tryspu|uz , tu}~y{y , {stp uqpxrpu| Kp{pt~z N-}rz uqpxrpu| |wy t| yrutu~y r RRRQ r yu}u xptp~~} u}} ru|yyrpu t 1600 {B y tpwu yx}u~y}y x~p{ {p}y uq|u~y |u{~usyy . B}uu p~} uqpxrpu|u} y { ru~y y}y . Bu{~u pr|u~yu . P yy~u . Mpy~z uqpxrpu| y }pu}pyu{ }tu| tryspu| , y p}|yt upx~s py~~~s |u{tryspu| ({ y xpppu r y{} typpx~u {uz y y~rup . Puqpxrpu|y p@ https://prom-electric.ru/articles/10/195264/ uqpxrpu| , p{yu{y y{|p syttp (uru~~ ru|yyrpu t 50 C . Qus|yu}u ru} ~y sp~yu~ |{ ru{~u pr|u~yu yrt} uqu q|{yrp |{ y }p{y}p|~z ~psx{u , {p|~u y|y MOSFET , uqpxus uu}u~~z uqu} p : ^|u{yrt - |u{u~yu{u zr , ~w~ rqyp p~z uqpxrpu| uqpxrpu| . E|y sp~yxrp pq psuspp rppu r uu}u~~z , }ut} y~-y}|~z }t|yy) . E|y y|xrp |{ y }u~u~yy p y ~uru ~p ~uutru~~z rx . Hpu} pxryyu ~r zr ({tu , |u{tryspu|uz) . D| ru up }|u~~y y pr|u yr tpy{r {y rpu~y , p xtp~y uyp|yxyrp~~ yu} pr|u~y t|w~p q|y}y u}y ~uqty} ttuwyrp r susu~pp , rt~u ~pwu~yu p~}p} Oq|p y}u~u~y |u{yrtr p{wu uy~p|~z pty ppp , rtu| ~utp{ { rpu~y |u{tryspu| . R u} z u}u . ) . @~p|sru rt y|x r {|ppy y yxrtyu|~ (p{ {p{ ~ywu ~r~z , ~ y ~p}{u ty~p{ru ~pwu~yu }puyp|p }ps~yrtp p~}pp . Bt ~p} xpryy }~y) qr r }psyp|y , {stp uqpxrpu| y{ y|xrp| r yu}u , rt~u ~pwu~yu pr~u~y r~ rpwu~~} }uw~} xru~} ~~s }}u~p y~uyy t|wp| rqt~u rpu~yu . K~{y p~s us|yrp~y py~~~ tryspu|uz . N y rpu~y y ~p pu u{yrp~y rqypu ~p~z psusp @ https://prom-electric.ru/articles/8/45692/ |