| uqpxrpu| Kp{pt~z uqpxrpu| y{y} typpx~} us
|yrp~y , q|yx{u {
ru|yu~y {|yurp |u}u~r ~p{|u~y ~usyy r typpx~u pqy {pxpu|uz }~y t 690 B ~puu ru} ~ywu~~s ~pwu~y (y{y , xp ~p~} psusp} . Xpu rus y|x
u t|
pr|u~y ~pp}y y u{yr~ ruz ~usyu} (y|rz py , r
{pu}u r yu}u {
s|
~ y yxrtyu|~ , ~ y tuur . B}uu ~uptpyrp~~}y . @~p|sru rt ~uqty} t| su~uyrp~y y~
ytp|~ {r rt~z pz |y y quuyrpu |pr~z
{ py~~~s tryspu| xr|u r{~
pr| p~} uqpxrpu|u} y }~ , ~ y p~u~yy ~uyx}u~~z pp{uyy{y py~~~s |u{tryspu| . Qus
|yrp pt rt xp u y~t
{yr~y pu~y y B) , p{ wu xptryw{
,
{u~y , uqpx
us uu}u~~z |qz }}u~ . Np
u~yu y}}uyy |
r|~ rt~s ys~p|p qp~z rxy . Mup~yu{yu pp{uyy{y tryspu| y }yu r |u{yu{} tryspu|u , yu} r |qz r~u~yz pp}u , p - r|~u tp~ . B ~ru
pr|uz py ~pty }y{u , r|~u~~u ~p }up||-{yt-|
rt~y{r |ur p~xyp (MOSFET - y~-y}
|~p }t
|y PBM - ~pp|p yyr , {p{ y}uyu ~~z , yz yx
ur
y u~|syu{y ur y y|xrp~yy ptpyr~z }tu|y tryspu| y pr~}u~ putu|y uy ~usyy }wu~y r ru yxtu|yu |{ ttuwyrpu ~~u ~pwu~yu ru {~}yu{s u{p |y y@u}~ uqpxrpu|uz p uqpxrpu| p . Oqp {~}yu{p u{yr~ r q|py }t
|yy }w~ y|xrp |{ 27 pry|~}y ~y}y {}}
pyy y|wu~~p { sytpr|yu{z ~usyy r yxrtru , y }p{y}p|~} uq|u~yy rt y u{yr~ up . Np }y{{~||uu p~s uqpxrpu| ~uqty} r{|y ~p , ry
p|~s xru~p ~~s ~pwu~y . K|yur rtr , p y pqu ~ut
y}z t|
}u~u~y |u{}ps~y~ }u EMC-y| . R {y xu~y ruu~rrp~y
pr|u~y (
{ , ~ywu~yu p ypus ~pwu~y uqpx
r }y~
y tr
yp~~ qr }wu~y upu r ry
p|~} xru~u ~~s tuw
rp {| ~uu . D|
|
u~y rt~s ~pwu~y y u|p (t 20 40 } . I~ru
zr , |
pu}z r uur}
qrtu ~p~s psuspp) {pxrpu r|y~yu ~p 5 %) y (y|y) rt~}y/rt~}y EMI-y|p}y (t| ~ywu~y ~us- |yr- , {stp stu- t} r{|pu }~p y|rp ~ps
x{p . Dpr|u~yu ttuwyrpu ~~} pyu{y} }}u~} y~uyy t|wp| rqt~u rpu~yu . Sp{y} qpx} , yxquwp sytpr|yu{y
tpr y p}|y
t y , t|~yu|~u q
trp~yu (rx}w~ uwy}p pq yu} @RT SP yxrtrp . Kp{ pry| t| s
{|uz r {~}yy |u{~usyy |u{yrtp}y r pr y~y{r xu|u~z ~usyy r } , spqpyr , ~p}~u }py~ y ru ~}y~p|~z) }p{y}p|~z }}u~ tryspu| y ru ~}y~p|~z) }p{y}p|~z KPD ;
ru|yy ~p y p{yu{y {
s|sty~ . ^ q r|u@u}~ p~ uqpxrpu|uz uqpxrpu| (indirect matrix converter) - pp{uyy{y . ) , pr|u~~z r {~}yy 20-50 %) ;
}u~y {|yur |u}u~r
p~r{y r uu}u~~z trz~} uqpxrp~yu} ~pwu~y . Qu{}u~tpyy {y py~~~s |u{tryspu| ({ y , ~uqty}}y t| ~ps
x{y (tu}~y{ , xp{|pyz r {|
ppyy u~z ppp y ~pwu~y , q|uu r{u {pur ~yy , {u r 60- stp . Oq~ utpr|u qz yxrtyu|~y) y uqpxrpu| |u{yu{s ~pwu~y r uqpxrpu|u . E|y tpr|u~yu . Bt {pwts |
uytp rt~s ys~p|p
u} yx}u~u~y p us
|} rpqprpu ~uqty}p pp }|u~~z pr}py{y y upx~s y~rup xp{|pu r st . I~ru ~pwu~y xru~p ~~s {p . K|y y~rup . Ix}uu~yu s }rs y~rup . C|pr~} ty~r} yy~ uqpxrpu|uz . Nyw~yz utu| utu|u rppyz }}u~ r ru} typpx~u yx}u~u~y {y . Put
}yu ~u{z xpp 10% . Py {p|~}
pr|u~yy u~quw~}y ~pp}y (t 20 40 } . C|pr~} ty~r} yy~ uqpxrpu|uz . E|y y|xrp~yu} pyu~~s ~pqp {|uz rxp~ y
ry wu|
{r {r |u{yrtp , y~stp ~ y|x
u ys~p| t| |pr~z us
|yr{y PX y}u~ tryspu|y ~~s {p utu|
ru~ ry sp}~y{ , u| uytyu{s ~pwu~y . B}uu }uw
~} xru~} ~~s {p t~z p y}uu q|y~r
pr|u~u{y xptp ~uqty} y|rp , y~ru r|u pr}pyxpy up tpy ~usyy@https://prom-electric.ru/articles/1/1/
|