| | uqpxrpu| q|uu 10 . O r~utu~y us|yu} }t| ~pt ru yx}u~u~y }utp }t|yy . K}u s , p xtp~y ~p p~yy t{p{y r xpryy}y ~ywu~y ~us- |yr- , {u rxrp t|~yu|~u uy sytpr|yu{z ~usyy y }}u~}) . . . Oq~ p~z uqpxrpu| y{yrp~~z ~uzp|~z {z , pyp~~z ~p us|yu}z |u{yrt }wu q s|q{ yxu~ t| ~psx{y } uyp|yxyrp~~s ry|yu|~s zrp , ~uqty}}y t| pr|u~y (Sensorless Vector Control - }u~yu spqpy , xtpyz py}}uy r xpryy}y {purp uuz uu}u~~s y tpr|u~y ~p 10-15% q|u u} u} r~}y r uy . @y~~~z tryspu| ~~s {p t~z y} u} p}} ~ywp ~t xppq~z |p q|wyrpus y uqpxrpu|y ~~s {p uqpxrpu| . Gu|pu|~ , {p ust~ p}} }pr} y tp|u{ p~ , }w~ qzy qux uru~~ u , t{|u~yu {s q|yx{ { |u{yrt . Puru uqpxrpu|y y{yrp~~z ~uzp|~z {z (active NPC) . Suuyu{y ~ywu~yu p r ~~z }}u~ ~p rtu uqpxrpu| r|u }uw~} {~} ~~s ~pwu~y , {u xpt~ {|ppy y . B y ru~y|r) t{pxrpu , |pu}z r 60- stp . Py } }p{y}p|~u y|xrp~yu |{ }u~pu uy r ysu yx-xp ~ywu~y uq|u}z yx { rty yy y|y xp|~{ , quuyrp pu pp}ur ,@u}~ uqpxrpu|uz uqpxrpu| - ~u~yu }up~yu{z pp{uyy{y y pqu ~p 40-60% . Rru}u~~u p~u uqpxrpu|y p : Dyqp|p~ {~tu~pr , p{ {p{ y{y} typpx~} ~pwu~yz xpryy 0 t 47% r y~ty . E|y }~y psuspp . Sp{z pp{u rxpy}rxy pp}ur uqu y|xrp~y px|y~ }py~ t|~yu|~s sytpr|yu{s yr|u~y . K . @y~~~u tryspu|y ~pu|u~yu} 5026 u|ru{ (~p K-90/35 }~ q|uu |w~ yu} pr|u~y pp||u|~ t{|u~~}y tryspu|}y , uusur , y{u y}u~u~yu r y|r {|uz |yp r u }y{pz~r {pxp|y ~p|yyu }up~yu{y yx~pyrpu} |u}u~r , y}u y~t{yr~ ~psx{ (|u{tryspu|y) t|~yu|~u sytpr|yu{yu yr|u~y . @y~~~z |u{tryspu| pqpu {p{ ~ywu r~ , ~ y }~ }u~u rpp t |~s p~rp ~u urp ~}y~p|~ . Puqpxrpu|y Xp (PX) y|y p~ us|yu}z |u{yrt r u| ur|u~y u~|syu{s up r~ rpwu~~} }uw~} {~} ~~s {p , p{y uqpxrpu|uz . Iyu{y ur}y q|y pxpqp~ u} . D| |u~y |t~z y ~p}{p |y}u~ ~yuz y rtp r ru} rtu|u~y u|p (t 20 pp}ur xr|u xzry} qu{p} r RRRQ q| ~u |{ ~yx{r|~ {}~u~p , y |pr~} p~r . C|pr~p u| }utr }t|yy (YIM) utr} y|xrp~y px|y~ u~|syu{y up xr|u us|yrp |qz r~u~yz pp}u , r q{y {p . Syy~} y}u} r|u ut{pxu}u ru} }wu~y |u}u~r ~ywpu .@u}~ uqpxrpu|uz q uqpxrpu| |wyu|~z y|y t~px~z { tsz p {pxp| , typs~y{p , rtu| y ~r~u {|y , yx ypuz uy . B q|uu |w~z u} y~rur ~pwu~y Puqpxrp~yu ~~s ~pwu~y xr| quuy pqy|~u tpr|u~yu r pru q|y~rp p~tp~ ~yx{r|~ {}~u~p , }~ p~s uqpxrpu| , VFD) yu}p pr|u~y pxz , t~p{ t| {u{~s xpruu~y upu} xptp . D| y{|u~y ~up~{y~yrp~~s r}upu|rp r |ut~yu tuy|uy q|y ut|wu~ t| ~psx{ px~} } (KHQ) r , p x~py , p{ y q|uu ~ptuw~u us|yrp~yu {y : Tzrp quuuqz~s yp~y r uu}u~~u ~pwu~yu yx}u~u}z p ypuz uy . Np ru|yy~ u yx-xp ~ywu~y ~us- |yr- , y|xu}u t| uqpxrp~y uyt} , spqpyr , stu {pwtp uz{p r|~u~p ~p rp| ~u |{ ttuwyrpu ~~u ~pwu~yu u~~z }z ys~p|p . Py~yyp|~z qu~~ y~rur ~pwu~y . P} yxrtyu| u}y r{|y ~p qtu rxrp r |u{yu{ , {u r tp~~} uqpxrpu|u . Npu~yu y}}uyy |r|~ rt~s ~pwu~y 220B Supx~u y~ru ~p xtp~yu yxq~s tpr|u~y y|y tsz p y tpr|u~y ( } ~pu~y }puyp|p }ps~yrtp p~}pp , ru~y }}u~p ~psx{y qp~ y~p|u~ {y rpu~y p ~p} y|wu~ { ut~uz {u (utr} r{|u~y tr ru~y {|uz) . Rru}u~~z uqpxrpu| xp{pu tryspu| , {stp pt y y~ytp|~}@prom-electric.ru/articles/1/1/
|