
vaali-phil surcuted

oru tharam nishkriya power factor thiruthal (pii. eph. sii) sarkyoottaan vaali-phil surcuted.
udaaharanathinu, essy inputt voltejine dissy voltejaayi parivartthanam cheiyunna oru adisthaana phul-wave diode-bridge rectifier aadya ghattathil kaanichirikkunnu. 
ooppareshan.
essy volteju prayogikkumbol, sii1, sii2 ennivayil udaneelam sariyaakkiya line volteju prayogikkunnu, kaaranam avaa randum dii3, aarr1 vazhi charge cheyyappedunnu, sii1, sii2 enniva oronnum peak line voltejinte ekadesham pakuthi vare charge cheyyappedunnu. 
line volteju peekkinu thazheyaayi "vaali" ghattathilekku veezhumbol, vottu peak line voltejinte pakuthiyilekku veezhaan thudangunnu. eee ghattathil, c1, c2 enniva yathaakramam d1, d2 vazhi vout-ll lodilekku discharge cheyyaan thudangunnu. 
valia inn-rush karantum vaidyuthakaanthika edapedal (emi) thadayunnathinu aarr 1 aavasyamaanu.
gunangalum doshangalum.
eee roopakalppanayude oru nettam ithu valare lalithamaanu ennathaanu. reple volteju ippozhum peekkinte 50 sathamaanamaakaam, koodaathe motham harmonic distorshan (thd) 35 sathamaanamaanu, ithu valare uyarnnathaan ennathaanu oru poraayma. 1998 leeii yunaittad stetts pettant, yuu. ezz. 6141230eiii, 0.98 power factor <aii. dii. 1> nte oru tholam nalkunnu, ithu fluorescent lamp baalaastukal polulla sthiramaaya looad aaplikkeshanukalkku ettavum anuyojyamaanu.