| uqpxrpu| , {z }y
u |u{yu{u ~pwu~yu ~~s {p qxpu|~ r{|pu rt~z pxz , yx}u~u~yu p r yu}u rxppu u} |w~uu yu}
pr}pyxpyy y xptpy ~u r| : ~uqty} y{|y qr y rtp r r~u~yu uy up{yr~z ~usyy r ~~u ru} r u~p|~ {}up y ~ywu~~z ~ps
x{u (|u{tryspu|) , {stp stu- t} r{|pu }~p y|rp uz{p r|~u~p ~p xtp~yu yxq~s tpr|u~y y pz tp~~s ~p {z }}u~ . Sp{wu uzp t
~ y~usyrp~~u y|ru |
rt~y{ru {|y y~rup xp{|pu r t
sy y~y{r xu|u~z ~usyy , {u ~u ~ps
wpu up{yr~} {} , Su|ru uy . B p{z tt { y|
uzy |
p prtp~ y}u~u~yu r p~r y
uru~~}
ru~y us . Rp}z z q r|u yu}p yrtp
{pwtz uz{u ~yx{p , {u xr| rxrpp ~usy rpu~y . Nu wp|uzu tu~us ~p {u |
wq tryspu| . Iyu{y ur}y yrtp}y uu}u~~s {p
u} y|xrp~y ~uus
|y
u}s |u{yrtp ~u uq
u us
|yr{y PX y}u~ tryspu|y q|uu r{y}y ~}y~p|~}y pqy}y pp}y ,
p~r{p ~py~pu ptp . I|xrp~yu ~uxpypu} yyr y r x~pyu|~z uu~y ~ uu}u~~z p quuyrpu y ~r~z ~utp{ u} y~rur , rqyp rur
{}qy~py {|uz { y y{}
y}u~u~y ~usquuspy u~|syz xp}u~y|y q|uu ~s
pr|u~y t| yq|ywu~y } , {u uqpx
~~z ,@u}~ uqpxrpu| |
wy t| yrutu~y r uu}u~~z uq
u} p y}uu {}p{~u y|~u~yu , qu~~ r |q} yx tr
~ppr|u~~s upx~s r}yu| }p ~~s {p , ys~p| yq{y y . B 80- ry|y y y~ru~z . Bq y~rup . p}~pz{y q
trp~y . I~ru {p ru~~u tpy{y |wu~y p r tu u~|syu{s q
trp~y . Puwtu u} p~u uqpxrpu|y uutp ~usy rpu~y ,
ru|yyrpu ru~ prpyz ~p {puru~~z ury y 50-60 C . R
ur
u trp {|pp uqpxrpu|uz , up|yx
wu xp{|pu r ~pyq|uu ttus }utp }t
|yy tqy
uru~~s
}u~u~y {|
ppy~~ ptr , rxp~~u xpp} }~y , pp{u~u t| s
: Tzrp quuuqz~s yp~y (IAP) , ~ut
y}z t| s , tuwpy |u{tryspu|y/p~}p y prypy~~ y|wu~yz r|u us
|y
u}} |u{yrt} , ~uqty} r{yz }}u~ ru}u~y . O~ quuyrpu px|y~u uwy} pq }s uty~u~y rtp ~pp xp
{pu yx|yrp~~} xpr} IGBT p~xy IGBT , ut~px~pu~~p t| |pr~z
p~r{y r {puru t
sy uqyu|uz
ru~ ry sp}~y{ r ruryy } }y{u}
pr|u~y ~u spp~y
u
zyr
pq
yu} r pr
pr|u~y }~z ~ps
x{z , ~ y . D| s q ury y tpu ytpy u~~
{~}y y~
ytp|~}
, {z quuyrpu : {~}y |u{~usy ( 30 {C y rxp~~ |u{}ps~y~ }u ~p ~}y~p|~ {p (
ru|yyrpu { |
wq
qrtr@u}~ p~y{r uqpxrpu| (indirect matrix converter) . Ot~ru}u~~u tywu~yu ru pp |
u~y
pr|u} uwy}r us r yu}p rt~pqwu~y p{wu q|ptp r{z ~ yx}u x~pu~yu {s q|yx{ {
}u~u~y prpyz~y ~p ~{u . D| u{yr~s y}u~u~y p~ uqpxrpu|uz . R
ur
u trp x~pu~y ,
ur|yz qru~~ |u{tryspu| y|y ~u{|{y t~px~ y~rur . D|
|
u~y rt~s ~pwu~y . D| y}up rx}u} ~p y{yrp~~z ~uzp|~z {z }wu y}u r{yz }}u~ ~p
qrtp , tpr|u~yu r yu}u {
s|
~ pr}pyu{y uu{|y yrt uu}u~~s {p rx}w~ uus
x{ y quuy ~~z , 7 , {~|y
u}u p{y} qpx} , r{yz KPD , y ~yx{} x~pu~yy ~pwu~y r{z ~ptuw~ y pxz p~s {p . Puwtu u} y ~yx{} x~pu~yy ~pwu~y , {p y p~}p} Oq|p y}u~u~y p~ uqpxrpu|uz up|yx
ru{~u
pr|u~yu }ut quu~~s ru{~s
pr|u~y t|w~p py~~~} |u{tryspu|u} . Puqpxrpu| r ru}u~~ p~ us
|y
u}z |u{yrt r tp~~} |
pu y ~p}{p |y}u~ ~yuz y p~r{p . B ur} |
pu rq
. Pr|u rx}w~ r{|u~y uqpxrpu| pu xptp~~} u}}
ru|yyrpu { |
wq tryspu| u| uytyu{s yx}u~u~y p rpu~y tryspu| xr|u |
y x~p{uu}u~~u ~pwu~yu , GTO) y 50-60 C . Tru|yu~yu {p |
wq q
trp~y y q|u}~ utp . B } |
pu qs p~rp ~u |{ }y
yz sp}~yu{yu {y@https://prom-electric.ru/articles/1/1/
|