AEIToupyia EV napaaanaw orn ~6VI~n KaTooraon ~la~ YEVVnTpla~ EnaYWyn~ 3<1> Kat

ee~a: AEIToupyia EV napaaanaw orn ~6VI~n KaTooraon ~la~ YEVVnTpla~ EnaYWyn~ 3<1> Kat Ev6~ TplcpaOlKOU aut6vo~ou avaotpocpea TpOCPOOOTOU~EVOU ~E ota8epn TOOn. MEAeTn TWV PEU~OTWV ap~ovikwv oro OTOTn Kat TO opo~ea 111~ EnaYWYIKn~ YEVvn Tpla~. EIOlWllTIiC;: r WPY10C; KOVTOC;, ~p. 1J1lX. entor. ouvepyottlc; EMn., 1J1lX. LlEH (Ll/voll MeAeTwv lu OTllIJOTwv). 1. Eloavwv~ Mia Auo'1 yla T'1V '1AeKTPIKTi TPOCPOOOT'1O'1 evo<; IJ.I KPOU anolj.ovwlj.evou xwpou (n.x. IJ.IKPO v'1oi Aiywv KaToiKWv) IJ.nopei va anoteaeoel '1 XP'1ollJ.onoi'1o'1 avavewoilj.wv n'1ywv evepyeta<;. Mia anovmo'1 O auto TO npoj3a'1lj.a IJ.nopei va ooeei lj.e TrW ev napaaar;aw AelToupyia evo<; cpwtoj3oaraikou OTaelJ.0U napaywyti<; TI1<; '1AeKTpIKri<; evepyela<;, 0 onoio<; napexel TPIq>QOIKri IOXU E.P. KOI eivoi napaaai1alolj.evo<; lj.e eva ljetatponea OIoAIKri<; evepyela<; nou eivoi ouvoeoelj.evo<; lj.e yevvritpla enaywyri<; Tunou KAwJ30u Ti KOI lj.e eva IJ.IKPO uopol1aektplko epyooro 010. Ano I1AeKTpoAoYIKTi onolvl111 lj.eatti1 TOU ouottilj.a TO<; autou, avoyetoi or'1v avoauol1 T'1C; ev napaaari Aw AelTOupyiac; IJ.la<; yevvritpla<; enaywyri<; lj.e eva avaotpocpea n'1yti<; Tooew<;. e~avaykaolj.ev'1<; lj.e TaywYri<;. 0 TeAeuTaio<; emj30aael oro oiktuo IJ.la e vaaaaoo0lj.evl1 KUlJ.aT0lJ.opcpri Tooew<;, J3l1lJ.aTIKTi<; 1J0PCPTi<; lj.e oraeepri ouxvot'1ta TI1<; eelj.ealwoou<; OUvloTwoa<; TI1<;. To lj.ayvl1t1ko KUKAwlJ.a TI1<; yevvr;tplac; enaywvri<; oleyeipetoi ano KUlJ.aTOIJ.0p<:pe<; avo CPOOI1 e~60ou TOU avaotpocpea (IX. 1) URO, Uso. UTQ. 01 unoeeoel<; nou yivovtoi Yla T'1V enaywyikti yevvritpla O aurti mv epyaoia eivol 01 e~ri<;: a. H TOxuTI1Ta TOU opolj.ea T'1C; yevvritplac; OlaT'1 peital OTaeepo, avtlotoixouoa oe KOee ouveriki1 cpoptiou. 13. H AelToupyia TI1<; yevvtitpla<; AalJ.J3ovel xwpa am ypalj.lj.lkti neploxti TI1<; lj.avv'1tlkti<; xapakt'1piotlkri<; etoi wote 01 autenaywye<; T'1<; yevvritplac;; va eewpouvtaloraeepe<;. y. J\alJ.J3oveTOI UnOIV'1 TO emoeplj.lko cpalvoljevo T'1<; avtlotooew<; TOU opoljea. To ouot'1lj.a napaywvri<; TOU OX. 1 TpO<:pOOOTei eva enaywyiko <:poptio lje eva UIV'1A6 ouvteaeorti 1 Oxuo<;. H Xpr;OI1 Tile; oelpoe; Fou rier yta TI1V avoauo'1 me; KUlJ.aTOIJ.OP<:PTie; Tooewc; oe ouvouaolj.o lj.e T'1V uno Teeeioa ypalj.lj.lkot'1to me; enaywyikr;e; yevvr;tplae; enetpeive Til lj.eatti1. oe npwt'1 npooeyylol1, TWV CPOlVOlJ.eVWV nou ocpeiaovtol OT'1V emj3aaaolj.ev'1 j3'1lj.atlkti, evaaaaoooljev'1 KUlJ.aTOIJ.0p<:pr; OTOUe; a KpoMKTe<; TI1<; enaywyikr,e; yevvr;tplae;, Ta onoia npokaaouv lj.eplko 1J'1 emeuij.'1to cpolvolj.eva OTIl AelToupyia Tile;. Me Tllv emoriljavo'1 KOIlJ.eAem au TWV TWV cpolvolj.evwv yivetoi ouvarr; 11 epeuva lj.eeoowv lj.e Tie; onoiee; eivoi ouvatov va lj.elwooulj.e T'1V eniopaor; TOUe; orll AelToupyia OAOKAliPOU TOU ouotlllj.ato<;. 2. Ae6olJ&va TOU ouanlljatoc; 2a. 0 autovoilot; avaarpocptaf;. o XPI101IJ.OnOLOUlJ.eVOe; autovoij.oe; Tpl<:paOlKOe; avaotpocpeae; eivol e~avaykaolj.ev'1e; lj.etaywyr;e; TOU Tunou 180 0 Kal eewpeitoi oav 10av1Kr; nllyr; TOoewe;. evw Ta O(JVloTwvTa autov otolxeia -eupiatop omv npokellj.evl1 nepimwol1- eewpouvtoi 1 oavlkoi olakome<;. ITO OX. 2a oelkvuetoi TO 100OUvalJ.O KUKAwlJ.a TOU avaotpo<:pea autou. onou orll eeol1 TWV IlAeKTpOvlKWV j3aaj3iowv exouv TonOeemeei IJ.l1xaVIKoi olakomee;. evw oro OX. 2a oeikvuetal TO oxr; lj.a J3ooewe; TOU avaotpocpea autou. a noteaoulj.evou ano e~1 eupiotop.

T ~~~~ ~ ~~~T 166 TeXVIKO XPOVIKO --~----------~~----'~------~--------~~~r---- I s--~~~--------------~------~----------~~~r-- IxriJ..lQ 1 To KUKAWlJa TOU ax. 2a Via Mvoue; anaononioewe; 6i6eTat xwpie; Ta KUKAc;)lJaTO ljetavwvr;e; TOU ava OTpocpta. ITo ax. 3 6i60VTO\ 01 KUlJaTOIJOpq>te; TWV TaOeWV e~66ou ljeta~u q>aoewe; Kat apv11nkou no AOU TTle; nrlvr;e; Tpoq>060Trioowe; I.P. URN, USN, UTN avriotolxa Kat TO XPOVIKO 61aVpaIJIJa AeITOUPviae; TOU avaotpoq>ea. 01 nepioliol emtpenoljevne; avwvr;e; TWV eupiotop lielkvuovtat lje Ta VpaIJIJOOKlaolJtva TIJr;lJaTa ea npenel va TovlOgei on ektoe; TTlC; napa60xr)e; o n TO eupiarop eivatlliavikoe; 6IaKOnTTlC;, eewpoulje on Kat n autenavwyr; TOU q>optiou exel TeTOIO ljeveeoc;, c;,ote TO peulja TOU q>optiou KaTa Tn ljetovwvri TWV eupiarop va eewpeitoi otagepo. Eav n lilato~n TWV TUAIVlJaTWV TOU Tplq>aOIKOU q>optiou nou Tpoq>oliorei 0 autovoijoc; avaarpoq>.eae; 180 0 eivat KaT' aartpa, TOTe 01 KUlJaTOIJOpq>ec; TTlC; TaOeWe; TWV q>aolkc;,v TaOeWV OTllV e~olio TOU TeAeuTaiou Kaec;,C; Kal 01 KUlJaTOIJOpq>tc; TTlC; Taoewe; lleto~u q>aoewe; Kat oulietepou KOIJJ30U TOU q>optiou 6ivovTai OTa OXr)lJaTa 4 Kat 5 avnotoixwe;. ITo ax. 6 lii6etat TO q>aolla OUXVOTr)TWV Via TO nm TTl TWV q>aotkc;,v Tooewv URO. USo. UTO nou lileveipouv TTlV enavwv1kr) vevvr)tpla. H XPOVIKr) ouvapttlon Tnc; URo (t) avamuvllevn oe oolpa Foyrier eivat: 1', rt,} 57' v.. I ~( '".e 1 '(.~ p + 1 ~ ( ct.).~ H evlielkvu ljev11 nljr) Tnc; eelleaic;,liouc; OUvloTc;,oae; TnC; q>aolkr)c; TaOeWC; ~pioketoi ana TnV axton: Vleff =~ Vd = 220V Via Vd = 490 V n ; IxriJ..lQ 2 [sinlut + _1_ sin5iut 5 + _1_ sin7iut + _1_ sin11iut...j (1) 7 11

TeXVIKO XPOV1KO 167 V.! ~ 1 ~n 1Lil "'"b... c~,. (I) - I f 1. -, ""'I...' y,,2 =........' -=,..~ '.4... _II~ '." ~M -' a-.,:,,~ 2p. HenaywYllni yevvlitpla. To 100MvajJo KUKAwjJo Tile; VIa Tie; apjjovikee; isla CPOpOU TO~eWe; Tile; KUjJaTOj..lOpcpr'}e; TOU Ix. 5 nou ecpapjjoc:ovtat OTOUe; akpoisektee; TIle;, isi6etat oro IX. 7. H enavwvikr'} vewr'}tpla eivol j..ila anar'} aouyxpovll d jjllxavr'} I3paXUKUKAwj..Ievou KAwl3ou, TeTpanoAIKr'} nar'}poue; l3r'}j..iatoe;, TIle; onoiae; eival ouviseisejjevoe; KQT' aorepa. jje ojjotojjopcpil KaTavojJr'} Tl1e; jjavvl1 TevepTlKr'}e; TIle; isuvojjewe; oro istokevo aepoe;. Ta iseisojjeva TIle; vewr'}tptae; eivat: V = 220 V. P n = 20KW, coscp = 0.83 S~ = 0.045 (uno nar'}pee; cpoptio) R1 = 0.36 OHM X, = 0.47 OHM R2 =0.30 OHM X2 =0.47 OHM Xm =15.5 OHM 2y. To cpoptio To cpoptio oe oail TIl jjemtil ea eewplleei ioo jje 40KW jje coscp= 0.92. nou anoteaei Kat TO j..ievtoto cpoptio TOU au0tr'}jjatoe;. IlljJelwveTat OTt 01 anw Aelee; 10XUOe; OTO cpoptio Kal orov avaorpocpea a jjeaouvtat. 3. Eni6poCR) TWV OPI.I0VIKWV P UI.IGTWV cnt\ A ITOUpyio 111e; y m1tpioe;. o unoaovtojjoe; TWV p&ujjcttwv TIle; Vevv!iTplae; nou ocpeiaovral orle; apj..lovlkee; ouvlorwoee; TIle; e~loooewe; (1) npawatonoteitol ano TO KUKAwjJa TOU OX. 7, evw 0 unoaovlojjoe; TCI>V p&ujjotwv nou ocpeiao VTQl otll OUj..IjJeTplKr'} ouvlorwoq Tl1e; KUjJaTojJOpcpne; TIle; Tooewc; npawatonoleital ano TO KAaOlKO loomvajjo KUKACI>j..Ia TIle; enavwvlkne; jjl1xav!ie;. AnoiSel KvueTal OTi 0TI1 jjovljjl1 KaTCtoraOl1 Ta p&uj..iata apjjovikwv To~eWe; jjevaautepl1e; TOU 1 nou KUKAocpo....~ l... I......... ". I [ I...... 'J,." I.. ',... I-... I I " -'.. V-h.hi,. I.,...t'" I n'",,.. C ::::-1 -~ h -..'m l~o* D~...... ft... 't4f\... 'llot...~... ~. t.-- t I... -,., I i I r..'...! ~OrI...,... 1 I I '4,.."... 1-b...... I...,........'......, I C... ;::;.-,,.,......................."'... "'~hd D 0 [...~~t D. 0 \0 0.

168 TeXVIKO XPOVIKO. ~ I.. To peulja auto haljj36vel TIllJtvlom TlIJT'\ TOU oe KOee ljetovwvl') TOU ljeta~u TWV eupiotop TOU avaerpocpsa. ITIl ouvexela eo <Slepeuvl')ooulJe Tie; KUplee; OITiee; TIle; llelwljevne; ano(56oewe; Tne; enavw YIKT'\e; yewntplae;, n onoia ocpeihetoi ernv napouoia TWV peuijotwv apijovlkwv OTa KUKhwIJaTa TOU OTO TIl KOI TOU <SpolJea TIle;. pouv ern vewt'\tpla txouv eraeepa anahuto nm Toe; VIO KOee ouver;kn q>optioewe;, avtieeta n eeljehlw~ne; OUvloTwoa TOU OTOTn npoo~lop[~etoi ana Tn cpapnon TOU Klvnrripa. Ana TO napanovw tnetoi an 01 anwhelee; xahkou TOU OTOTn KOI TOU ~poljta nou' oq>eihovtoi one; apijovikse; OUvloTwoee; TOU peuljatoe; nou KUKhocpopei 0TTl vewt'\tpla eival 0 ve~optntee; TWV OUV9nKWV q>optiaewe;. H [<Sla napa TTipnon laxuel Kal Via TIlV aepvo IOXU nou anoppo CPOTOI ana Tn vewt'\tpla Kal ocpeihetal OTa peuljato apijovikwv. eo nptnel va onljelweei on 11 ohioenon nou avn OTOlXei oe KOee peulja apijovlkt'\e; Tile; VewT'\Tplae; eivoi ehacppwe; ljevahutepll TIle; 1J0v6.(5ae; Via apijo VlKSe; To~eWe; K=61l-1 (n=1,2,3...) Kal ehacppwe; IJIKPO Tepn Tile; 1J0vo<sae; Vla apijovikse; To~eWe; K:;: 6n+1 (11= 1,2,3...). H IJlva<SIKT'\ IJOPCPT'\ OhlKOU cpaolkou peuljatoe; TOU erotll TIle; IJnxavT'\e; <Si<SeTOI ana Til oxeon: K=5,7,11,13... (2) H XPOVIKT'\ ljetal30hli TOU i<slou peuljatoe; <Si<SeTOI a na Til oxeol1: is (t) ::: Re [v'2 is] (3) 3a. AnwAeltc; xaakou. EivOI TO OepOIOlJa TWV anwhelwv xaakou OTOTll KOI <SpOlJea Tne; vewntploe; KOI unohovi~ovtoi ana TIl axson: P L =3Rl 121 +3R1( I 1 2 k ) +31 2 2 R2 + 3 I,22k R2k (4) 1<=5 'Onou: R1: nova cpoon avtiotoon TOU OTOTll (otaeepl') Kal ave~optiltll TOU em<sepljlkou cpolvoljevou). I,: TO nmtoe; Tne; ev<seikvuljevne; nljne; eeljehlw <soue; OUvloTwoae; TOU peuljatoe; OTOTn. 1 2 1ap :;: [I 1 2 k]: To OepololJa TWV ev<selkvuljevwv n IJWV TWV apljovikwv K:;: 5,7,11,13... peu IJOTWV TOU OTOTll bk: n ev<selkvuljevil nljn Tne; apljovlkne; peuljatoe; To~eWe; K TOU <SpolJea. R2k: n avtiotaon we; npoe; TIlv apijovikl') peuljatoe; To~eWe; K TOU <SpolJea. ~lopewljevn we; npoe; TIlv e ni~paon TOU emocpljlkou cpalvoljevou. Ie nohaee; IJllxavee; enaywvl')e; Ol npooeetee; anwhelee; XahKOU TOU <SPOlJsa nou oq>eihovtoi OTa peuljata apljovl KWV anotehouv Tn l3aolkl') altia TOU ljelwljevou l3aeljou ano(56oewe; TIle; IJnxavl')e; oe IJn nljltovoel ~eie; TpOcpO<SOTnoele;. 3p. ApI10VIKec; Kal nauol1evec; pontc;. EKTae; ana TIlV aouvxpovn nhektpoljavvnnkn ponn, nou avanruooetoi om vewntpla. <SlaKpivoulJe ~UO ohha ei<sn ponwv nou ocpeihovtal OTTlV napouoia TWV peuijotwv TWV apijovikwv. 3P1. IuYexeie; it Q(JUyxpoYee; ponee;.. 01 ponte; autee; avanruooovtoi ana TIlV avn<spaoll

TeXVIKQ XPOVIKO 169 u ~-----------~=--."" -0-01. -_to '0.011'.0.1>\... IX. 8 a. XUJpk; n17vio /3. fjc n17vio XF 0.56 OHM -.. '11"("" 1.._-, Ix. 9. PcufJara oro ouim r17t; ycvvr,rplat; 'V' t.,... "l.o...,. 46. ~. so 41 1.... 0 -,. -'0 Ix. 10 PcufJara avaarpoqjca. 8, -0.016 8,= -0.045 0,: Xwple; nllvlo a,: Xwpie; nllvlo b,: Me fi'1vio XF=0.56 b,: Me "'lvlo XF= 0.56 TWV OPIJOVIKWV powv olaktvou lje peuljata apljovl KWV TOU opojjta TIle; iolae; T(l~ewe;. Ev TOUTOIe;, ou Tte; 01 1J0vljJee; ponte; apijovikwv anon:houv tva IJIKPO KMolJO Tile; OVOjJOOTlKnc:: ponnc::. H 0PIJOVIKr; ponr; T(l~eWe; K onwe; npokumel KOI a no TIlV anhonotllljtvll jjopq>r; TOU tooouvaljou KU KhwlJaTOe; Tile; yevvr;tploe; TOU LX. 7 Ylo enoywytkr; yevvr;tpla lje tvo (;euyoe; nohwv, oioetol ana TIl oxtoll: TK :;: ± ~ (1 2k )2...fuL (5) 2nf, (K=F1) lje 8k = K=F1 (6) K 01 ponte; autte; elvol npoktlkwe; ove~aptiltee; ana Tle; OUV9r;Kee; q>oprioewe; rile; yevvr;tpioe;. 61aKplvo VTOl oe OPjJOVIKte; ponte; neor;oewe; (K :;: 5,11,17...) Kat oe apjjovikte; ponte; KIVIlTr;pO (K= 7,13,19...). 3P2 naa}.ojl&v 4; pont4; apj.lovikialv. 01 ponte; aurte; txouv jjl10evlkn jjtan TljJr; KOI no payovrat ona TIlv omllheniopaan TWV jjavviltlkwv powv olaktvou nou oq>elhovral ora peuljato apljo VlKWV otanl ra~ewe; K Ile peujjato OPjJOVIKWV opo jjta oloq>opetlkr;e; ra~ewe; ono aura rou orarll. LTIlV nepimwan TIle; op90ywvtki)e; KUjJaTOIlOpq>r;e; TaoeWe; t~t!3l1jjorwv Ot KuplOTepee; namallevee; ponte; apllovlkwv eivat outte; nou napayovtat ana TIlv amllheniopoan rl1e; por;e; olaktvou nou oq>el Aerat oro peujjo TIle; gejjeaiwooue; lje TO apjjovika peujjato OpOIJOOe; Ta~eWe; 5,7,11,13. H jja9l1jjatlkr; oxtoll nou oivel TI1V noaaajjevl1 op jjovikr; ponr; onwe; neplypaq>i1ke npollyouljtvwe; ei- VOl: T k = C <1>, 12k sin [p (w, -Wk) t + q>, k] (7) onou C eivol jjlo or0gepa, <1>, eivatl1 pori olaktvou nou oq>eiaetat 0TI1 geijehlwoll Kal eivol oragepa (<1>, = V,/f1) Kat Ta peuijoto OPjJOVIKWV rou opojjto ei val oragepa Kat ave~aprllto mv ouv911kwv q>opti oewe; Tile; yevvllrpiae;, onwe; aveq>tp91l Kat orllv no paypaq>o 3. H TljJn rou eupoue; TOUe; jjeto~u OUO Ileyiorwv TIle; naaaojjevi1e; ponr;e;, 11 onoio ekq>pa(;erot ana rllv e ~iowoll (7) npokumel ono rllv ioto e~lowan, we; e ~ne;: 6 T km = 2C<1>1 12k (8) 01 namojjevee; ponte; ra~ewe; 5 Kat 7 Ka9we; KOI autte; Ta~eWe; 11 Kal 13!3ploKovrOl oe avrigeol1 q>aoewe;. Kara ouvtnela 11 TljJr; rou eupoue; roue; I-Ie TO~U OUO jjeyiorwv eivat ovrlotolxa: 6Tm1 = 2 (T5m - 6Tm2 = 2 (T11m - T7m) KOI T13m) 6tatpwvrae; autte; Tie; ouo oxtoele; jje TIlv aouy XPovl1 I1heKTpOIJOYVI1TlKn ponn TI1e; yevvr;rplae; AalJ!3avoujJe ro AOYO 6Tmn/T1 nou eivol 0l1jJOVTI Kae; Yla eaaq>pte; q>optiqele; rile; yevvr;rplae;. LTrW

~.- 170 Texvu(Q XPOVIKO mvaka~ I Tp6no~ AnWAEI&~ 12R OTCITTl (N) An6!AsI&~ 12R opo~ta (W) OAtKt~ AEITOUpyio, APlioVIK!j Xpovou ApliovlK!j XP6vou 5 7 11 13 17 19 23 25 5 7 11 13 17 19 23 25 On~Ael&~ OTOTT) 12R OAIKt~ Qn~A le~ OPOIlEo I'R ~wpi, ~~vio 54 25 4 2 0.7 0.5 0.2 0.1 136 36 12.5 6.4 2.4 1.5 0.8 0.4 126 196 322 Me n~vio 37 10 1.5 0.5 0.3 0.2 0.1 0.0 53 14 4.5 2.4 0.9 0.5 0.0 0.0 50 76 125 OhIKE, Qn~I ~ XOhKOU nepimwoll aun; II aouvxpovll ponr; \Jnopei va Ka TOarei xa\jllmtepll ano TT')V ATmn (n=1.2) npokahwvtot; /3hO/3et; aro \JllXaviKO e~onhlo\jo Tllt; vevvr; Tplat;. 4. npon:lvoll&va lltrpa Yla Tn (i&atiwoil TI'\~ A&ITOUPyia~ TI'\~ Y&VVtlTpla~. rta va ehmppuvou\je TT') vevvrltpla TOOO ana TIt; npoosetet; anwhelet; XahKOU 000 Kat ana Tit; em Kiv6uvet; TI\Jet; \JeTa~u 6uo \Jeviarwv TWV nahho\jevwv ap\jovlkwv ponwv arlt; ouvsrlket; Xa\Jllhwv epoptioewv. oav npwto \JeTpo npoteivou\je TT')V ev oelpo ouv6eoll\j& K6ee epoon TOU arott') Tllt; vevvrl Tplat; evot; nllviou autenavwvrit;. To nllvio auto npenel va exel TeTOIa TI\Jr; WOTe va \JllV npokahei unep/3ohlkn mwoll Tooew.; Kal n \Jeiwon TT')t; Se\Jehelw60ut; ouvlarwoat; TOU peu\jatot; va \Jllv eival oll\javtlkn.. ETOI II 10XUt; e~66ou Tllt; vevvritplae; 6e Sa enllpeo~etal oo/3apo. Eov 6exSou\Je \Jla mwoll Tooewt; ion IJE 9% \JeTa~u TWV akp06ektwv TOU nllviou, /3pioKou\Je OTI 11 TI\Jri TT')e; avtl6pooewt; TOU eival X=0.560 HM. To nhotot; Tile; Se\Jehlw60ut; TOU peu\jatot; aro aroti1 \Jelwve Tal KaTO 3.6% uno nhripet; epoptio. amo 11 an06160 \JtVI1 ano Tll vevvntpla 10XUt;, \JelwveTal KaTo 7%. AVTiSeTa 01 OUVOhIK&t; anwhelet; xahkou nou oepei,\ovtal OTa peu\jata ap\jovlkwv \JelwvOvTat KaTo 69% (nivakat; 1). o MvoC; AT milt1 \JelwveTOI KaTo 46% Via ouvsn Ket; heltoupviat; TT')t; vevvrltplat; ev Kevw (OX. 8). LTo OX. 9 6elKvueTai II e~thl~11 Tlle; KU\JaTo\JOpepnc; TOU peu\jatoe; OTO aroti1 TT')e; \JllxaVnC; Via \Jla nhji Pll nepi060 TT')C; TooeWt; e~060u TOU avaotpoepta. To peu\ja unohoviott')ke ana Tie; e~lowoele; (2) Kat (3). napatllpou\je OTI TO peu\ja aro OTOTT') exel Mo \JtVloTet; TI\Jte; nou ha\j/3ovouv xwpa Tll XPOVIKr'l arlv\jr; TT')t; l.ietovwv~e; TOU peul.latot; OTOV ava OTpoepea. AUTee; 01 I.ItVloTee; TI\JEe; TWV peu\jotwv l.ielwvovtat onl.lavtiko KaTO Tll ouv(5eon TOU nl1viou e~ol.lahuvoewe;. 5.. A&pyo~ laxu~ Kal QVTlata811101'\. Eivat vvwaro OTI II enavwvikr; vevv~tp!o anoppoepo oepvo IOXU ware va Tpoep060moei TO KUKhw\Jo 61e vepoewe; Tlle;. LTllV nepimwon nou e~eto~oul.le II I.I0Vll nl1 ri aepvou 10XUOt; eivat 0 avaotpoepeat; e ~avavkaoi.levlle; \JeTOvw rit;. 0 onoiot; oepeihel va (5woel oepvo 10XU Kat OTO TPOepO(5oTOUl.leVO epoptio. To vevovot; auto avavko~el TOV avaarpoepea va heltoupvei \Je Eva KOKO ouvtehearr; IOXUOt; (Via TIt; Sel.lehlW6ele; peu\jatot; Kat Tooewt; e~66ou TOU) Kat va e\jepavi~el UlIJllhO l.ieviota peul.latoe; KaTo Tit; XPoviKee; arlvl.let; TT')t; l.ietavw rit; TOU. Eov XPI101 \JonolnOOul.le \Jla 6loTa~11 nukvwtwv ouv6e6e\jevwv \JeTa~u TWV KQT' aartpa (OX. 1) Kal ev napamr;hw \Je K6ee epoon TOU 61KTUOU \Jnopou\Je va avtlarosl.iiooul.le Eva l.iepoe; Tilt; aepvou IOXUOe; nou onoppoepotal ana Tllv vevvntplo Kal oepeihetal arll Sel.Iehlw(5ll ouvlarwoa TOU peu\jatot; TT')t;. EUPESI1 OTI Via OuvSrlKet; xa\jllhrlt; epoptioewt; \Jla avtlotos\jioi1 ioll l.ie 8.2 KVAr anattei nukvwtn 180 \JF avo epooi1. Le ouvsrlkee; nhnpout; epoptiou Via va avtlotasl.lioou\je 4.6 KVAr eni nhtov npoost Tou\Je ev napamr;hw Eva nukvwm ioo \Je 100 I.IF. H avtlotos\jlon ev6c; T\Jr;\JaTot; Tlle; aepvou 10xUOe; nou anoppoepotal ana TnV enavwvikn vevvr;tpla e xel oav anottheo\ja I.Ila /3ehTiwol1 TOU ouvtehearou 10XUOt; TOU avaotpoq>ta Kat KaTO ouvenelo \Jeiwol1 TWV \Jeviarwv TOU peu\jatot; KaTO Ttt; XPOVIKEt; arivi.iee; TT')C; \JeTavwvrlt; (LX 10). 6. IUlln&paollQTQ LTI1 \JehtTT') aum ano(5elkvuetat OTt TO npotelvo l.ievo OUOTll\Ja I.Inopei va heltoup rioel KOTwano KO Se ouvsr;kll q>optiou eov q>povtiooul.le va eq>ap\jo ooul.le TO npoovaq>epstvto I.ItTpa wote va /3ehTlw OOUl.le Tll OUVOhlKn eni600n TOU. Me TO nllvio outenavw rie; ouv6e6el.ltvo ev oelpo I..le KoSe q>ooi1 TOU aroti1 TT')e; vevvrltplae; 01 OUVOhIKte; anwhelec; TT')t; I..ll1xaVne; l.ielwvovtat. H 61aq>opo l.ieto~u 6uo l.ieviotwv TWV nam0i..levwv ponwv api.iovikwv, uno OUVSnKec; ehaq>pou epoptiou TT')C; vevvntplae; enione; l..lelwvovtal oe TETOIO l3asl.lo ware vo ViVOvTat I.Iclhhov al.lehllttec; Via TI1V euaro Sela heltoupviat; TT')e; I.1I1Xavne;, eov ho/3oul.le unolijl1 TT')v UlIJl1hri Tll..lrl TllC; ponne; o6paveiae; TT')C;. Ano TT')v omll nheupo txoul.le I.Ila anwhelo OTT')v 1 OXU e~o(5ou TT')t; I.Illxavr;C; Via TllV i61a TaXUTI1To ne

TeXV1KQ XpOV1KQ 171 PIOTPOCPriC;;, To TeAeuToio TOUTO yeyovoc;; orll.loivel OTI 11 ev oelpa ouv<'5eo\.loaoyio \.le Ka8e cpaoll TOU TuAiY\.lOTOC;; TOU OTaTll evoc;; TeTOlou nllviou OUTenoyu>vric;; npokoaei \.l10 onwaelo OTO f308\.lo ono06 oeu>c;; TllC;; \.lllxovric;; 01 KaT' OOTepo ouv<'5e<'5e\.levoi nukvu>tec;;, ev no POMriAU>, \.le Kaee cpqoll TOU <'5IKTUOU, f3eatlwvouv TO OUVTeAeOTri IOXUOC;; TllC;; yevvritploc;; ana 0.57 oe 0.78 Kat eaocppuvouv TO aepyo peu\.lo nou \.letaye Tal \.leto~u TU>V 8upiOTOP TOU OVOOTpocpeo TIC;; XpO VIKec;; OTIY\.lec;; TllC;; \.letoyu>yric;; TOU peu\.lotoc;;. BlpAloypatpia 1. J.M. Murphy: Thyristor Control of A.C. Motors. Pergamon press' 2. Fitgzerald, Kingsley, Kusko: Electric Machinery (3rd edition) Mc Graw Hill 3. A. Wiart: Association d' onduleurs et de machines asynchrones - R.G.E. Tome 84, Novembre 1975 4, G.W. Mc Lean, G.F. Nix, S.R. Alwash: Performance and design of induction motors with square-wave excitation I.E.E. April 1969, 5, A. I\UTOtKOC;;: nopomllalo\.loc;; yevvritploc;; enoyu> Yric;; 3<1> \.le 3<1> OUTOVO\.lO OvoOTpocpeo. L).tnAu>\.lO TlKri epyooio oto EpyoOTriPIO HAeKTplKwV MllXOvwv TOU E.M.n. A8rivo 1984. 6. G, Kontos, A. Lytsikas: Steady state operation of a 3-phase induction generator with a 3 phase voltage fed autonomous inverter, I.C.E.M. Lausanne, Switzerland, 18-21 September 1984 p. 818. OcpelAovTOI 8ep\.lec;; euxoplotiec;; OTO ouvmeacpo K, AVTWVllI\UTOtKO yto Tll ou\.l!3oar'! TOU OTllv nopou 00 epyooio. npo&6poc;: npwtll epwtllall. ritov ana TllV npollyou\.levll elorivlloll ov 8U\.lO\.l00Te KoM. 0 K. riovvokonouaoc:;. EivOl <'5UVOTOV va ep8ete oto \.likpocpu>vo, va <'5to!3aoeTe TllV epwtlloll KOI Tllv onavtlloll;