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Refer point 1

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Refer point 2

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refer point 3

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MODULE 2 LECTURE 4

POINT 4

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note- q= number of !"e# in ! $ommut!tin% %roup&OR'

Mi( point re$ti)er*no of $ommut!tin% %roup#= 1 !n( q =2+

 T,ree p,!#e ,!"f !e*no of $ommut!tin% %roup#= 1 !n( q =3+

 T,ree p,!#e bri(%e re$ti)er *no of $ommut!tin% %roup#= 2 !n( q =3+

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Point .

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&i% b- o"t!%e !$ro## "o!(*$on#t!nt /(+ !n( #,!(e( !re! $orre#pon(#to o"t!%e (rop !$ro## in(u$tor &i% $- o"t!%e !$ro## one (io(e&i% e- tr!n#former $urrent*note t,!t it i# non #inu#oi(!"+

/o"t!%e r!tin%= PI/= 2/m

Current r!tin%= Im!0 = IDPoer r!tin% = PI/ I! = *2/M+*ID2+ *more $o#t !n( poor meruti"i!tion f!$tor+

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NOTE-

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M!0 $urrent t,rou%, !"e= Im!0=ID

POINT 5*6etter mer uti"i!tion f!$tor too+

Refer point 7

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8i%,er pu"#e number=9 Loer ,!rmoni$#=9#moot,er ($

Re!#on- 8!rmoni$# on !$ #i(e np:1*n =1'2;3< p=pu"#e number+

&or #i0 pu"#e $onerter*.'+*11'13+'<

&oe te"e pu"#e $onerter*11'13+''''

 TU&   ¿ secondary AC power

 DC power=

V  RMS I  RMS

V d I d  * !"!># %re!ter t,!n

unit>+

 Refer point ?

Le$ture 5

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Note- p= qr#*u#e( !boe+

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 T,i# #,o# e@e$t of oer"!ppin% (ue to pre#en$e of "e!A!%e

in(u$t!n$e of mer;

 T,e#e !re !riou# mo(e# of oper!tion of bri(%e $onerter*Br!et$At+;8ere u i# t,e oer"!p !n%"e; It i# (e#ir!b"e to oper!te$onerter for u5FG; &or u95F're#u"t# in (e!( #,ort $At;

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Commut!tion o"t!%e for ! !"e i# t,e "ine o"t!%e ,i$, ,enbe$ome# po#itie' t,!t !"e $!n be )re(;E%- for !"e 3' $ommut!tion o"t!%e i# /b!