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Exemplo Estudo Proteção CELESC

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ANEXO 01 – ESTUDO DE PROTEÇÃO E SELETIVIDADE. Abaixo apresentamos o estudo de proteção e seletividade na média tensão classe 25KV, para o consumidor Semasa localizada na cidade de Itajaí SC, conforme segue: Dados fornecidos pela Cia Concessionária Celesc, localizada junto ao ponto de entrega, doravante denominado dados do Sistema: IMPEDÂNCIAS DA CONCESSIONÁRIA ã ã Z0 = Z1 = 0,72 + j 3,74 pu 0,44 + j 0,93 pu GRANDEZAS BASES ã ã Sb = 100MVA Vb = 23KV CORRENTES CURTOS-CIRCUITOS ã ã ã ã ã Icc3∅A
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    Epaclme Lwlcaq Gowcjeqvac. :11 ‖ Gelwwo Væo Boæo ‖ FAT ::64=(444 ‖ @oca =9 66=:(5656 ( L}ebeè/VFAhelnhawfonqzDhawfonqz(vf#foh#gw  ECAZO 45 ‖ AV]QMO MA TWO]AÉÆO A VANA]LPLMEMA# Egelzo etwavac}ehov o av}qmo ma two}aéæo a vana}lplmema ce hìmle }acvæo fnevva 71KP. tewe ofocvqhlmow Vaheve nofenlreme ce flmema ma L}ebeè VF. foc`owha vaiqa2Memov `owcaflmov tane Fle Focfavvlocåwle Fanavf. nofenlreme bqc}o eo toc}o ma ac}waie. mowepec}amacohlcemo memov mo Vlv}ahe2 LHTAMÇCFLEV ME FOCFAVVLOCÅWLE ‧   R4 8 4.97 + b 6.9= tq ‧   R5 8 4.== + b 4.<6 tq IWECMAREV   GEVAV ‧   Vg 8 544HPE ‧   Pg 8 76KP FOWWAC]AV FQW]OV(FLWFQL]OV ‧   Lff 6 ∁ E 8 7060 E ‧   Lff 6 ∁   8 7=== E ‧   Lff 5 ∁ E 8 5174E ‧   Lff 5 ∁ 8 57<6 E ‧   Lff 5 ∁ H 8 945 E 45#5 ( Fånfqno me lhtamçcfle geva2 E lhtamçcfle ma geva ah tq ì meme tow2 ℠88 7<#1,* 7 VgevaPgeva Rg  45#7 ( Fånfqno me fowwac}a ma geva2 E fowwac}a ma geva ah tq ì meme tow2  EPgVg Lg 715476444 6544444 6 888      Epaclme Lwlcaq Gowcjeqvac. :11 ‖ Gelwwo Væo Boæo ‖ FAT ::64=(444 ‖ @oca =9 66=:(5656 ( L}ebeè/VFAhelnhawfonqzDhawfonqz(vf#foh#gw  47 ( Fånfqno mev fowwac}av ma fqw}o flwfql}o ce gewwe me feglce ma hamléæo2 Tewe o fånfqno mev fowwac}av ma fqw}o(flwfql}o co gewwehac}o iawen me feglce mahamléæo/two}aéæo. }ahov uqa focvlmawew e lhtamçcfle }o}en mo toc}o ma ac}waie e}ì e feglce mahamléæo. foc`owha vaiqa egelzo2 Lhtamçcfle Auqlpenac}a me Focfavvlocåwle; R5 8 4.== + b 4.<6 tqR4 8 4.97 + b 6.9= tq Lhtamçcfle mov Fegov mo Wehen ma Ac}weme; Foc`owha avuqahe qcl`lnew iawen. e aml`lfeéæo vawå enlhac}eme e}wepìv ma qh wehen eìwao.fohtov}o tow fegov ma enqhèclo cò vaféæo cohlcen 7/4EYI. cqhe mlv}çcfle ma 79h. ac}wa otoc}o ma ac}waie e}ì e vqgav}eéæo# Foc`owha memov ma lhtamçcflev ah ℠  /Kh `owcaflmev tano`egwlfec}a mov fegov. fenfqnehov o penow mev lhtamçcflev ce geva mo vlv}ahe2 Fånfqno lhtamçcfle mo wehen ma ac}weme2 [ X  tq b b zwa R  ,445<91.4446014.4* ,7<.1* ,6:95.49517.4*479.4 5 +8+8   [ X  tq b b zwa R  ,44:001.444<1<5.4* ,7<.1* ,0<90.5:9<7.5*479.4 4 +8+8   Fånfqno Fowwac}a ]wl`åvlfe Vlhì}wlfe2  E E b Lgwa R  R  Lff 7=677154 <65<91.4==601.4 5 5556 8+8+8 π    ‧   Lff 6 ∁ 8 7#=65 E ‖ Fowwac}a ma Fqw}o Flwfql}o ]wl`åvlfe Vlhì}wlfe#    Epaclme Lwlcaq Gowcjeqvac. :11 ‖ Gelwwo Væo Boæo ‖ FAT ::64=(444 ‖ @oca =9 66=:(5656 ( L}ebeè/VFAhelnhawfonqzDhawfonqz(vf#foh#gw  Fånfqno Fowwac}a ]wl`åvlfe Evvlhì}wlfe Tewe o fånfqno me fowwac}a ma fqw}o(flwfql}o evvlhì}wlfe fenfqnewahov o `e}ow ma evvlhì}wlfe.uqa ì memo tane auqeéæo egelzo2 4=#575 ,7* 8+8 ∗  W Z  a@E τ     E@E Lff Lffe 4=.5 7=65 66 88 π π    ‧   Lff 6 ∁ E 8 7117 E ‖ Fowwac}a ma Fqw}o Flwfql}o ]wl`åvlfe Evvlhì}wlfe Fånfqno Fowwac}a Fqw}o(Flwfql}o Gl`åvlfo  E Lff Lff 77546 767 88 π π    ‧   Lff 7 ∁ 8 6#<0< E ‖ Fowwac}a ma Fqw}o Flwfql}o Gl`åvlfe# Fånfqno Fowwac}a Fqw}o(Flwfql}o @eva a ]awwe wa R  R wa R  R  z  zLg Lff 44,55*7 65 +++8 π    ‧   Lff 5 ∁ 8 57:: E ‖ Fowwac}a ma Fqw}o Flwfql}o Hoco`åvlfe# Fånfqno Fowwac}a Fqw}o(Flwfql}o Hoco`åvlfo Hèclhe E fowwac}a ma fqw}o flwfql}o hoco`åvlfe hèclhe ì fenfqneme napecmo ah focvlmaweéæo elhtamçcfle ma vauþâcfle tovl}lpe. rawo a e wavlv}âcfle ma }awwe *W}, co toc}o a ì fenfqneme mevaiqlc}a `owhe2E wavlv}âcfle ma }awwe ì av}lheme ah =4 Ojhv#  tq Rg W}  Rw}  44#75,* 8℠8      Epaclme Lwlcaq Gowcjeqvac. :11 ‖ Gelwwo Væo Boæo ‖ FAT ::64=(444 ‖ @oca =9 66=:(5656 ( L}ebeè/VFAhelnhawfonqzDhawfonqz(vf#foh#gw   Rw} wa R  R wa R  R  z  zLg Lff ++++ 8 44,55*7 6hlc5 π    ‧   Lff 5 ∁ H 8 0:1 E ‖ Fowwac}a ma Fqw}o Flwfql}o Hoco`åvlfe Hèclho  4= ‖ ]wecv`owhemow ma Fowwac}a ma Two}aéæo ( ]FT2 O }wecv`owhemow ma fowwac}a ma two}aéæo mapawå e}acmaw eov vaiqlc}av fwl}ìwlov2 ‧   E fowwac}a cohlcen twlhåwle mapawå va helow uqa e fowwac}a ma fewie# Fowwac}a ma fewie 51.64 Ehtawav# ‧   Cæo ve}qwew foh e helow Lff }wl`åvlfe evvlhì}wlfe#Fenfqno me }acvæo ma ve}qweéæo2Memov mo Taz}woc *R854.4h  tewe qhe fewie håzlhe ma 4.71PE,#Focvlmawecmo e mlv}çcfle ac}wa o ]FT a o wanì liqen e =.4h a fegov ma fogwa 7.1hh· celc}awnlieéæo mo ]FT eo wanì#Lhtamçcfle mo ]FT 8 4.5 *]egane 54 me CGW 0:10. focvlmawecmo 74! ma Fewie,  R}o}en 8R`lefeo + Rwanì + R}f 4.47 z N + 54.4 + 544 V  R}o}en 8 5=7h ℠   Foh lvvo o helow fqw}o(flwfql}o co ]FT ì2  Lff}ft 8 7060 E 8 567 E ac}æo.74 Pve} 8 567  E z 5=7 h 8 5< P  5<P > 14P *twaflvæo 54G14,O }wecv`owhemow ma two}aéæo avfonjlmo ]FT }awå fowwac}a cohlcen twlhåwle ma 14 E a fnevvama aze}lmæo 54G14#]F 14/1 E fnevva ma aze}lmæo 54G14#
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