Simulation For Axial Flux Permanent Magnet Motor Drive

Transcription

1 Intrnatonal Journal on cnt an Innovaton rns n oputng an ouncaton I: olu: 3 Issu: ulaton For xal Flux Prannt agnt otor Drv shwan Kuar aana Dpt. of Elctrcal Engnrng hraobabaollg of Engnrng an anagnt agpurina -al: ashwan2rana@hotal.co bstract h xal Flux D otors ar rlatvly nw spcally at hghr powr ratngs ovr 1kW. hrfor th sgnrs fac a lot of ffcults n sgnng an optzng th otor for a gvn applcaton. h brushlss D otors ar prannt agnt otors whr th functons of coutator an brushs wr plnt by sol stat swtchs. h brushlss D otors ar stngush not only by th hgh ffcncy but also by thr no antnanc. h prannt agnt otor us n ths cas s a thr phas otor. Whn opratng wth poly phas otor th nvrtr plays th rol of th coutator. In ths papr thr-phas nvrtr s consr. h objctv of th projct s to analyz th prforancs of th xal Flux Prannt otorfp D otor wth thr-phas wnng. o stuy th otor opraton a athatcal ynac ol wll b propos whch bca th bass for sulatons that wll prfor usng /IUIK softwar packag. Kywors- PWD nvrtrhall snsors I. OEUE a - ack f of xal flux P otor b l - oa torqu c - Elctroagntc torqu - ourc currnt of a b c phass f - sstancs of th phas wnng - Inuctanc of th phas wnng g - Invrtr phas voltag h - ngular sp of achn II. IODUIO Envronntal concrn an lgslatv prssur ar lang to sgnfcant ntrst n lctrcal an hybr vhcls.any ffrnt rv topologs ar unr consraton nclung tratonal brush typ c otor an ac topologs such an nucton prannt agnt synchronous an rluctanc rvs. h avalablty of hgh sp low cost OFE s an IG s has lowr convrtr cost suffcntly so that cost of ac rvs copar favorably wth c syst. Whl offrng rlablty rasons any lctrc vhcls n thvlopnt stag ar usng nucton otor tchnology. rushlss prannt agnt achns offr th avantag of hgh powr nsty ruc wght an hghr ffcncy gvng longr rangs for a gvn battry sz. hr ar ffrnt typs of FP thy ar ffrntat bas on applcaton thoology an constructon. FP otors can b sgn as oubl s or sngl s achns wth orwthout aratur slots wth ntrnal or xtrnal rotors an wth surfac ount or ntror typ prannt agnts Ps. ow powr FP achns ar usually achns wth slot lss wnngs an th surfac ount Ps. otors ar b n powr transsson coponnts to optz th volu ass powr transfr an assbly t.doubl-s otor wth ntrnal P sc rotor has th aratur wnngs locat on th two stator cors. h sc wth th P rotats btwn th two stators. [1].Ps ar b or glu n a non-frroagntc rotor sklton. Whn th stators ar connct n paralll th otor can oprat vn whn on stator wnngs brak own. h stator cors ar woun fro lctro tchncal stl strps an th slots ar achn by shapng or plannng [3 4]. vral axal-flux achn confguratons can b foun rgarng th stators poston wth rspct to th rotors postons an th wnng arrangntsgvng fros to slct th ost sutabl achn structur nto thconsr applcaton. nothr coon typ of FP otor s torus typ otor whch has foun nurous applcatons partcular n garlss rvs for lctrcal vhcls. h stator howvr has slotlss cor an th Gra' s typ wnng. h stator cor s a of lanat ron. h rotor s scs ar a of sol ron contan th hgh nrgy prannt agnts glu to thr surfacs. In rushlss D otors nsta of chancal coutators thr s an lctronc coutator whch s plnt by sol stat swtchs. h controllr prfors th sa powr strbuton foun n brushlss D otor wthout usng a brush coutaton syst. caus th ontrollr ust follow th rotor th controllr ns so ans of trnng rotor postons. o trn th rotor poston two ffrnt thos ar us snsor bas control an snsor lss control. IJI Fbruary

2 Intrnatonal Journal on cnt an Innovaton rns n oputng an ouncaton I: olu: 3 Issu: IJI Fbruary Fgur 1.lock Dagra of ontrol ch In our papr w ar gong to us snsor bas tho n ths tho a Hall snsor s us whch tcts th poston of rotor agnt whch s us to gv xctaton to th approprat stator wnng. III. DYI ODE OF FP h FP otor s connct to th output of th nvrtr whl th nvrtr nput trnals ar connct to a constant supply voltag as was shown n Fgur.1. h quvalnt crcut ol that rfrs to ths crcut agra s shown n Fgur2. nothr assupton s that thr ar no powr losss n th nvrtr an th 3-phas otor wnng s connct n star. Fgur 2. Equvalnt crcut of 3-phas P D otor h quvalnt crcut shown n Fgur 2 can b rprsnt by th crcut agra n Fgur. 3. h quatons that govrn ths ol ar as follows 1 ar th nvrtr output voltags that supply th 3 phas wnng. ar th voltags across th otor aratur wnng. oltag at th nutral pont. Fgur 3. chatc rprsntaton of quaton 1 For a sytrcal wnng an balanc syst th voltag quaton across th otor Wnng s as follows: t 2 t 3 nc = = = th rsstanc taks th followng vctor for: 4 s for th nuctancs snc th slf an utual nuctancs ar constant for surfac ount prannt agnts on th cylnrcal rotor an th wnng s sytrcal th nuctanc taks th for 5 oltag taks th followng for t 6 h lctroagntc torqu for ths 3-phas otor s pnnt on th currnt p an lctrootv forc. h quaton s: fc fb fa K 7

3 Intrnatonal Journal on cnt an Innovaton rns n oputng an ouncaton I: olu: 3 Issu: I. OGI EHIDH EO IG output squnc a partcular cobnaton of swtchs ar fr.in ths sch two phass ar xt on wth postv by Hall snsors ntfy th poston of th rotor agnt ntrng th currnt an scon wth ngatv by lavng th an gnrat a partcular squnc. as on ths squnc a currnt an thr wnng s n non-nrgz stat. orqu s controllr gnrats an output to oprat th swtchs 1- prouc by th ntracton of agntc fls prouc by th 6.Dpnng on th output squnc a partcular stator fls an prannt agnts th torqu s axu cobnaton of swtchs ar fr. h ch s shown as whn th flux s 9 gr to ach othr an starts crasng blow fgur.4 as th fls ovng paralll n orr to kp th otor runnng th agntc fl prouc by th wnng shoul chang poston as th rotor ovs to catch up wth th stator fls.. H EO DEODE In ths th hall snsor sgnals ar co as pr th sgnal gnrat by th achn. hs sgnals ar rv fro th EF of th achn. Fgur 4. Hall snsor gnals Gnratng partcular qunc. IUIOUDY h sulaton of th FP otor was on usng th softwar packag /IUIK. For ths purpos th P synchronous otor takn wth trapzoal wavfor fro lbrary asshown n Fgur 5. G1 G2 Gat G3 ogc G4rcut G5 G6 Ea Eb Ec Hall Hall nsor Hall Dco Hall c Fgur 6. lunk ol of Hall nsor Dcor G6 G5 G4 G3 Invrtr G2 G1 FP tator urrnt p EF ack EF Elctrogntc orqu Oscllo scop. GE OGI IUI as on th hall snsor cor crcut gat logc crcut gnrats 6 pulss to control th swtchs fro 1 to 6.In ths spcal car shoul b takn that not both swtch of sa lg shoul b on at any t. Fgur.5 asc ulnk ol of FP h nvrtr s f fro th voltag sourc of 325 D an th otor loa wth a rat torqu of 1.5 an thn chang to 2- aftr 1 sc. Phas voltag s a squar wav of D. h currnt wavfor s stort an havng shap n btwn squar wav an sn wav. h lctroagntc torqu pns on phas currnts constant K sp an lctrootv forc. In ths th thr phas Y conncton wnng wth sx swtchs s ploy n ths otor. Hall snsors ntfy th poston of th rotor agnt an gnrat a partcular squnc. as on ths squnc a controllr gnrats an output to oprat th swtchs 1-6.Dpnng on th Fgur 7. lunk ol of Gat ogc rcut IJI Fbruary

4 Intrnatonal Journal on cnt an Innovaton rns n oputng an ouncaton I: olu: 3 Issu: I. IUIO EU In th sulaton rsults ffrnt ols ar sulat on ffrnt opratng conton. 1 Fr cclraton onton 2 tp hang n loa conton.fr cclraton pro In ths pro w analyz th ol bas on sp lctroagntc torqu an sourc currnt Fgur.1 ulaton sults for ourc currnts for phas phas phas Fgur.11ulaton sults for p l.tp hang n oa onton ftr analyzng th otor prforancs n fr acclraton pro w analyz th prforancs on loa bass. In ths w obsrv that as th loa changs th sp cras an lctroagntc torqu crass also w s so varaton n othrs wavfors as w sunly apply th loa to th otor. Fgur.8 ulaton sults of EF Fgur.9 ulaton sults for Elctroagntc orqu Fgur.12 ulaton sults of EF on loa contons IJI Fbruary

5 Intrnatonal Journal on cnt an Innovaton rns n oputng an ouncaton I: olu: 3 Issu: Fgur.13 ulaton sults for Elctroagntc orqu on oa EFEEE [1] W.. FU D.. HO OE XI-FUX EEI HIE FO I-WHEE GEE DIE I PUG-I HYID EEI EHIE 14H IEI IEEE OFEEE O EEOGEI FIED OPUIO EF. 21. P. 1 Y 21. [2] J. W. K. K. JYUD D D.. I. UIDD DEIG OF UI PHE I-WHEE XI FUX PEE GE OO FO EEI EHIE FI IEIO OFEEE O IDUI D IFOIO YE PP UG. 26. [3] Y. DU D. G. HEY PEE D FUUE ED I WID UIE GEEO DEIG IEEE POWE EEOI D HIE I WID PPIIO 29. PEW 29 PP Fgur.14 ulaton sults for ourc currnts for phas phas phas on chang n loa conton [4].. FIHEUX F. IHI F. EIII D O. HOOI XI-FUX PEE GE OO FO DIE-DIE EEO YE WIHOU HIE OO IEEE IO O IDUY PPIIO O. 37 O.6 PP [5] K.. H.. PE. G. WD J.. GHI F. IHI D F. EIII PPIIO OF DIE-DIE WHEE OO FO FUE E EEI D HYID EEI EHIE POPUIO YE IEEE IO O IDUY PPIIO O. 42 O. 5 PP Fgur.15ulaton sults for p l an on loa onton II. PPEDIX upply olatg-325 tator rsstanc-.18 ohs tator phas nuctanc H Flux lnkag-.712 vs orqu constant-.5716/ III. OUIO In ths papr athatcal ol of FP s prsnt tal focus on th sulaton of FP gvs an a about th bhavour of otor an gvs th nforaton how achns wll rspons for a partcular applcaton. In ths papr ffrnt wavfors of otor s stu. h sulaton also gvs th a about th sgn of controllr. In futur bas on th sulaton work w wll sgn a controllr for opn loop control or sp. IJI Fbruary