EFFECTIVE CURRENT CONTROL DESIGN AND ANALYSIS OF SINGLE PHASE INVERTER FOR POWER QUALITY IMPROVEMENT
|
|
- Justina Chase
- 5 years ago
- Views:
Transcription
1 VOL., NO. 7, APRIL 5 IN ARPN Journl of Engneerng nd Appled cences 6-5 Asn Reserch Publshng Network (ARPN). All rghts reserved. EFFECTIVE CURRENT CONTROL DEIGN AND ANALYI OF INGLE PHAE INVERTER FOR POWER QUALITY IMPROVEMENT Rmeshkumr Kngvel nd A. kthvel Deprtment of Electrcl nd Electroncs Engneerng, VB College of Engneerng Techncl Cmpus, Combtore, Ind Deprtment of Electrcl nd Electroncs Engneerng, Dr.Mhlngm College of Engneerng nd Technology, Pollch, Ind E-Ml: rmeshvel.k@gml.com, ABTRACT Usng n effectve Pretve Current Control strtegy to sngle phse voltge source nverter nd to nlyss t s performnce for vrous prmeters vrtons s the mn objectve of ths pper. An mproved performnce of the proposed pretve current control method hs been nlyzed wth vrous condtons s crred out such s stedy stte, trnsent stte, non snusodl references, nput frequency vrtons, smplng frequency vrtons, current reference mpltude vrtons nd flter nductnce vrtons, tht offers excellent reference trckng wth less current hrmonc dstorton for ll condtons. The control lgorthm nd nverter model ws developed n Mtlb/mulnk softwre. Keywords: Voltge ource Inverter (VI), current control, Pulse Wdth Modulton (PWM), Model Pretve Control (MPC), Totl Hrmonc Dstortons (THD).. INTRODUCTION Nowdys, the voltge source nverter s common topologes hve been used n wde dversty of pplctons nd gve more ttenton of the reserchers to control nd converson of power. For grd connected nverter, the power qulty mnly depends on performnce of the current controller s n nverter. The development of PWM technques s the most populr control technque for grd-connected nverters. As compred wth the open loop voltge PWM converters, the current-controlled PWM hs severl dvntges such s fst dynmc response nd nherent over-current protecton []. everl control technque tht hs been developed tll now to control the current n nverter. In the Ref [-6] Vrty of vlble current control technques nd ts dvntges nd dsdvntges re dscussed. Nowdys, Pretve current control technque hs been used for control the current of three phse nverter[7], three phse four-leg nverter[], threephse two- level nd three-level neutrl-pont-clmped nverter[9],[], cscded H-Brdge nverter[], sngle phse boost rectfer[],multlevel converter[],mtrx converter[] nd correspondng ther pplcton such s Actve-Front-End Rectfer[8],[9], Dstrbuted Generton ystems[], Actve Flters nd Power Condtonng[, ], Non-Conventonl Renewble Energy[], unnterruptble power supples (UP) [5], drves [], nd power fctor correcton [6]. Ths current control method used n vrous wde power converters nd the control scheme s to pret the future lod current n terms of the mesured ctul lod current nd preted lod voltges. Compred wth the Clssc Lner PI-PWM the MPC offers mny dvntges such s good reference trckng nd mnmum output dstorton [, ].In the ll bove mentoned strteges re only consderng three phse nverter, multlevel nverter, mtrx converter for vrous condtons s descrbed. But the detled nvestgton of sngle phse two level two-leg nverter for vrous condtons s not beng descrbed. In ths pper, we use mproved current controller used to control the current of sngle phse nverter for vrous condton re evluted through smulton results. Ths pper s orgnzed s follows. In ecton II, the mthemtcl model of the converter-lod system s presented, followed by the explnton of the proposed control strtegy n ecton III. In ecton IV, Expermentl results re presented. Fnlly n ecton V pproprte conclusons re drwn.. POWER CONVERTER MODEL Fgure-. Voltge source nverter power crcut. The power crcut of the converter consdered n ths work s shown n Fgure-. It s two leg two level nverter operted by two control sgnls nmed nd b form totl of ( ) swtchng stte, nd the nverter consstng of two controlled swtches n ech leg (, ) nd (, ).The swtchng sttes of converter re determned by the control sgnls nd s follows: b f f on off f on f off nd nd nd nd off on off on b () () 7
2 VOL., NO. 7, APRIL 5 IN ARPN Journl of Engneerng nd Appled cences 6-5 Asn Reserch Publshng Network (ARPN). All rghts reserved. The voltges n ech leg of the two leg nverter, mesured from negtve pont of DC-Lnk N, tht cn be represented s v N v vb N N T b where V nd Vb N re the voltge t the ponts & b wth respect to negtve pont of DC-Lnk N. The voltge ppled to the lod s potentl dfference between ponts & b (or) potentl dfference between VN nd Vb N. Ths cn be wrtten s V = ( v N - v b N ) (or) V = b () v () Tble-. wtchng sttes wth ther correspondng voltge vectors. wtchng stte v N v N v b v Voltge vector v v - v v Then the output voltges cn be relted to the swtchng stte vector by V v T (5) where V s the output voltge (or) voltge vector generted by the swtchng sttes wth =,... Fgure-. Voltge vectors nd current flow drecton n. The swtchng stte wth ther correspondng voltge vectors re shown n Tble-. For dfferent swtchng condton, the Voltge vectors nd current flow drecton n proposed pretve current control re shown n Fgure-. The output voltge of nverter cn be represented n spce vector form tht s shown n Fgure-. The spce vectors re clssfed n to two ctve voltge vector (V, v) nd two zero voltge vector (V, V) so tht sngle-phse two-level nverter consstng of only three dfferent voltge vectors. Fgure-. pce vector dgrm of nverter output voltge. V T b The lod current cn be represented by the followng equton d V ( R f R) L dt Where R f flter lekge nductnce s R s the lod resstnce L s the lod nductnce, V s the voltge generted by the nverter.. MODEL PREDICTIVE CURRENT CONTROL ) Pretve current control technque The proposed current control scheme s shown n Fgure-. It uses the dscrete-tme model of nverter nd lod for pretng the lod current t future smple nstnt for ech of the vlble output voltge vector tht cn be generted by the nverter. The qulty functon or cost functon or error between the reference nd preted vlues s clculted. The swtchng stte tht mnmzes g s selected nd ppled durng the next smplng perod. The model need nput voltge nd ctul lod currents t nstnt of k. By usng the system` nput voltge to generte voltge vectors, whch s gven to the pretve model to pret the nverter future current. The current references re generted ccordng to the pplcton we re usng. In ths system smple (6) (7) 7
3 VOL., NO. 7, APRIL 5 IN ARPN Journl of Engneerng nd Appled cences 6-5 Asn Reserch Publshng Network (ARPN). All rghts reserved. desgnng nd nlyss of the nverter. o tht the references re user defned. By chngng the reference t cn be used for ny pplctons. The cost functon s error between the reference current nd the mesured lod current t the next smplng nstnt cn be expressed s follows * g ( k ) (k ) () * where, ( k ) s the reference current vector nd (k ) s pretve lod current vector. In ths work, the bsolute error s used for computtonl smplcty. Other qulty functons such s error squred could lso to be used, tht cn be expressed s follows g ( * ( k ) (k ))*( * ( k ) (k )) () Fnlly the correspondng swtchng stte s gven to the nverter. b) Proposed lgorthm Fgure-. Confgurton of MPC current control. A dscrete-tme form of the lod current for smplng tme T cn be used to pret the future vlue of lod current by usng mesurement of lod current nd supply voltge t the smplng nstnt k. d Approxmtng the dervtve by dt d ( k) ( k ) dt T ubsttutng equton (8) n equton (7) the followng expresson s v ( R f ( k) ( k ) R) L T Then the lod current t nstnt k s ( R f R) T T ( k) ( k ) v( k) L L (8) (9) () hftng the dscrete-tme one step forwrd n the future lod current cn be determned by ( Rf R) T T ( ) k ( k) v( k ) L L () Where R nd L re the lod resstnce nd nductnce, respectvely T s the smplng tme, (k) s the mesured lod current, nd v(k+) s the nverter preted voltge s the decson vrble to be clculted by the controller. tep : Prmeter ntlzton et supply voltge V =, Lod Resstnce =,Lod nductnce =mh, Intl cost functon g_opt = nf Intl voltge vector = V, nd wtchng tte= Voltge vector = V /*voltge vector V v T wtchng tte /* wtchng tte: ; ; ; */ tep : Current preton for = to n /* n: number of swtchng stte */ Current preton n k+ nstnt Ik = ( (R f+r)*ts/l)*_mes + Ts/L*(v_o); /* usng mesured current nd prevous voltge vector*/ vector v()*/ tep : Clculte the cost functon (G) /* cost functon (G) : g = (bs(rel(_ref k))) */ electon of the optml cost functon nd swtchng stte vlue f (g<g_opt) g_opt = g; /*updte the optml cost functon*/ x_opt = ; /*updte the optml swtchng stte*/ End End Updte the optml voltge vector n the equton--- = (x_opt, ); b = (x_opt, ); end the optml swtchng sgnl to the nverter. end the optml swtchng sgnl to the nverter. */. IMULATION REULT The Control of sngle phse voltge source nverter hs been desgned nd developed n the lbortory to vldte the performnce of nverter. To vldte the proposed current control strtegy, for the sngle phse 7
4 VOL., NO. 7, APRIL 5 IN ARPN Journl of Engneerng nd Appled cences 6-5 Asn Reserch Publshng Network (ARPN). All rghts reserved. nverter s evluted by smulton by usng Mt lb/mulnk softwre nd smulton s done usng Intel core -5M Processor.GHz computer system. To nlyze nd to mprove the performnce of the proposed pretve control method the vrous cses re consdered, such s of stedy stte, trnsent stte, supply frequency vrtons, smplng frequency vrton, Reference Ampltude vrtons nd flter nductnce vrton re crred out. pecfcton prmeters of sngle phse voltge source nverter Vrble- descrpton V - DC supply voltge L f -Flter nductnce R f - Flter lekge resstnce R L - Lod resstnce Vlue V mh.5 Ω Ω T - mplng Tme 5µs f- Rted Frequency 5Hz Fgure-6. multon result of pretve control for Trnsent operton. c) Anlyss wth non snusodl reference In ths Thrd, ffth, seventh nd nnth hrmonc references re gven seprtely wth mpltude of A; The lod Resstnce =.5ohm; Flter nductnce =mh re used. ) tedy stte nlyss The performnce of proposed pretve control n stedy stte operton for resstve lod s ohm nd flter nductnce s mh. The mpltude of reference current s set s A, frequency s 5Hz nd DC-Lnk voltge to be kept t V. Fgure-7. multon result wth thrd, ffth, seventh nd nnth hrmonc lod current. The results re nted n Fgure-7. where good trckng of the lod current to ts references re observed, whch demonstrtes tht ths control strtegy cn be ppled effectvely n sngle phse voltge source converter opertng s n ctve flter. Fgure-5. multon result of pretve control for stedy stte operton. d) Anlyss wth nput frequency vrtons In ths nlyss the Reference frequency F = (5- -7) Hz, Ref current = A, nd the lod s the sme s of the stedy-stte nlyss dscussed erler. In Fgure- shows tht ctul lod current to trck ther references wth less rpple content. b) Trnsent nlyss The trnsent stte nlyss for the model, mpltude of reference current step chnges from A to A wth frequency s 5Hz.tht s shown n Fgure-6. where good dynmc response of the lod currents s observed wth low hrmonc dstorton wth fst rse tme nd no overshoot. The lod s the sme s of the stedy-stte nlyss dscussed erler. Fgure-8. multon result wth nput frequency vrtons. 7
5 VOL., NO. 7, APRIL 5 IN ARPN Journl of Engneerng nd Appled cences 6-5 Asn Reserch Publshng Network (ARPN). All rghts reserved. In the Fgure-8 shows tht good reference trckng wth frequency vrtons nd fst response s observed. e) mplng frequency vrton The effect of vryng the smplng tme ws tested wth dfferent lod nductnce vlues, n tht the lod current THD nd wtchng frequency of controller re vres wth the smplng tme vrtons. The smulton result s depcted n Fgsure-9 tht shows the THD of the lod current s mnmum nd swtchng frequency s mxmum t hgher smplng frequency or smll smplng tme, nd lso t shows tht THD of the lod current s reducng from mh vlue of the lod nductnce to 7mH. After ncresng the nductnce the THD s gong to rech mxmum vlue. mlrly the swtchng frequency of the controller s ncrese from mh to 6mH of lod nductnce nd reducng for ncresng the lod nductnce. A swtchng frequency hve sgnfcnt relton to the THD s hgh when THD s low vlue. where THD nte wth the smplng tme( Ts) of μs, THD for 5μs nd THD for μs. And fsw nte wth the swtchng frequency of the controller s μs, fsw for 5μs nd fsw for μs respectvely. THD (%) Flter Inductnce (mh) THD THD THD Fgure-9. Comprson of % THD nd smplng frequency wth flter nductnce vrtons. fg shows tht by vryng smplng tme wth dfferent flter nductnce vlues, the lod current THD s observed t mnmum n mnmum smplng tme or hgher smplng frequency. And swtchng frequency of the controller s observed s mxmum n mnmum smplng tme or hgher smplng frequency.when the flter nductnce s ncresng bove 7mH the lod current THD s mxmum nd lod current s not snusodl n nture. f) Current reference mpltude vrtons The effect of vryng the reference mpltude ws tested wth dfferent flter nductnce vlues, n tht the lod current THD nd wtchng frequency of controller re vres wth the reference mpltude vrtons. THD (%) Flter Inductnce 5 6 Fgure-. Comprson of %THD nd reference mpltude vrtons wth flter nductnce vrtons. wtchng Frequency (khz) Flter Inductnce fsw fsw fsw fsw fsw 5 fsw 6 fsw 7, fsw fsw 9 fsw Fgure-. Comprson of swtchng frequency nd reference mpltude vrtons wth flter nductnce vrtons. Fgure-. Comprson of swtchng frequency nd smplng frequency wth flter nductnce vrtons. The swtchng frequency of the controller for dfferent opertng ponts s presented n Fgure-. The Fgure- nd shows tht vrton of lod current THD nd swtchng frequency for dfferent current reference mpltude. where THD- nte wth the smplng tme( Ts) of 5 μs nd reference mpltude of A, THD-, THD-, THD-, THD-5, THD-6, THD-7, THD-8, THD-9 nd THD- for the 7
6 VOL., NO. 7, APRIL 5 IN ARPN Journl of Engneerng nd Appled cences 6-5 Asn Reserch Publshng Network (ARPN). All rghts reserved. smplng tme( Ts) of 5 μs nd for reference mpltude of A, A, A, 5A, 6A,7A,8A,9A nd A respectvely. mlrly fsw - nte wth the smplng tme( Ts) of 5 μs nd reference mpltude of A, fsw-, fsw-, fsw-, fsw-5, fsw-6, fsw-7, fsw-8, fsw-9 nd fsw- for the smplng tme( Ts) of 5 μs nd for reference mpltude of A, A, A, 5A, 6A,7A,8A,9A nd A respectvely. Where y xs n Fgure- ntes the swtchng frequency of the controller n terms of khz. The current reference mpltude from A to A, the THD vlues re grdully decresng from5.68 % to.58 %, nd swtchng frequency of the controller re grdully ncresng from.5 khz to. khz. And the current reference mpltude from A to A, the THD vlues grdully ncresng from.7 % to rech.88% of THD, nd swtchng frequency of the controller re grdully decresng from.5 khz to.8 khz. g) Controller operton wth flter prmeter vrtons In the second cse (CCF: chnges to the controller nd flter), the correct vlues of the lod re gven to the controller for the purpose of comprson. Both the cses re nvestgted n terms of % THD nd wtchng frequency 8 6 THD (%) Flter Inductnce (mh) CF THD CCF THD Fgure-. THD comprson of CF nd CCF wth flter nductnce vrtons. wtchng Frequency (khz) Flter Inductnce (mh) CF Fsw CCF Fsw Fgure-. THD comprson of CF nd CCF wth flter nductnce vrtons. Even though the flter prmeters chnge, the controller chooses swtchng stte tht produces the mnml error n the reference trckng. A comprson of them s depcted n Fg nd. where only smll dfference s observed n THD nd swtchng frequency of the controller for dfferent flter nductnce vrtons. Wth ths, the proposed control strtegy cn operte effcently even under flter nductnce vrtons 5. CONCLUION In ths pper the current control of sngle phse two-level two-leg voltge source nverter hs been presented. The control lgorthm hs been evluted wth seven dfferent cses through smulton results. The result shows tht good performnces of the current trckng blty n ll condtons wth less hrmonc dstorton nd the dvntge of proposed technque re relted to smplcty, desgn nd modelng. Wth ths the current control technque s very good lterntve soluton to clsscl current control technques. In further reserch on control technque wth cost functon vlues vrtons n control lgorthm nd to compre wth conventonl current controllers. REFERENCE [] Mrn P. Kzmerkowsk Current Control Technques for Three-PhseVoltge-ource PWM Converters: A urvey, IEEE Trns. Industrl Electroncs, Vol.5, October pp.69. [] D. M. Brod nd D.W. Novotny Current Control of VI-PWMInverters, IEEE Trns. Industry Applctons, Vol.IA-, No.,My/June, pp [] B. Yu.. Pretve Current Controlled PWM trtegy for Grd-connected ngle-phse Inverter, M.c. thess, Unv. New Brunswck, Fredercton, NB, Cnd. [] Buhl nd R. D. Lorenz. 99. Desgn nd mplementton of neurl networks for dgtl current regulton of nverter drves, n Conf. Rec. IEEE-IA Annu. Meetng, pp. 5. [5] M. A. Dzenkowsk nd M. P. Kzmerkowsk elf-tuned fuzzy PI current controller for PWM-VI, n Proc. EPE Conf., evlle, pn, pp..8..[]. [6] D.G. Holmes nd D.A Mrtn Implementton Of A Drect Dgtl Pretve Current Controller for ngle nd Three Phse Voltge ourceinverter, In Conf. Rec. Annul Meetng IEEE Industry Applctons, pp [7]. Buso,. Fsolo nd P. Mttvell.. Unnterruptble Power upplymultloop Control Employng Dgtl Pretve Voltge nd CurrentRegultors, IEEE Trns. Industry 75
7 VOL., NO. 7, APRIL 5 IN ARPN Journl of Engneerng nd Appled cences 6-5 Asn Reserch Publshng Network (ARPN). All rghts reserved. Applctons, Vol.7, November/Dececember pp [8] I. Tkhsh. 98. A Flywheel Energy torge ystem Hvng Hrmoncs Power Compenston, Unversty of Wsconsn, Mdson, WEMPEC Res. Rep.8-, June. [9] J. Holtz nd.tdtfeld. 98. A Pretve Controller for the ttor CurrentVector of AC Mchnes Fed from wtched Voltge ource, In Conf. Rec. Annul Meetng Int. Power Electroncs Conf., pp [] K. P. Gokhle, A. Kwmur nd R. G. Hoft Ded bet mcroprocessor control of PWM nverter for snusodl output wveform synthess, IEEE Trns. Ind. Applct., vol. IA-, pp. 9 99, eptember/october. [] T. Kwbt, T. Mysht, nd Y. Ymmoto. 99. Ded bet control of three phse PWM nverter, IEEE Trns. Power Electron., vol. 5, pp. 8, Jnury 99. [] A. Kwmur, T. Hneyosh, nd R. G. Hoft, Dedbet controlled PWM nverter wth prmeter estmton usng only voltge sensor, n Conf. Rec. IEEE PEC 86, 986, pp [] F. Hrshm, Y. Demzu,. Kondo nd H. Hshmoto Applcton of neurl networks to power converter control, n Conf. Rec. IEEE-IA Annu. Meetng, n Dego, CA, 989, pp [] M. P. Kzmerkowsk, D. L. obczuk nd M. A. Dzenkowsk Neurl network current control of V-PWM nverters, n Proc. EPE Conf., evlle, pn, pp..5.. [5].. Mn, K. C. Lee, J. W. ong nd K. B. Cho. 99. A fuzzy current controller for feld-orented controlled nducton mchne by fuzzy rule, n Conf. Rec. IEEE PEC 9, Toledo, pn, pp [6]. eteo nd D. A. Torrey Fuzzy logc control of spce vector PWM current regultor for three phse power converters, n Proc. IEEE APEC 97, pp [7] J. W. Kolr, H. Ertl, nd F. C. Zch. 99. Anlyss of on- nd off-lne optmzed pretve current controllers for PWM converter system, IEEE Trns. Power Electron., vol. 6, pp. 5 6, My. [8] J. Rodrguez, J. Pontt, P. Corre, U. Ammnn nd P. Cortes. 5. Novel control strtegy of n AC/DC/AC converter usng power reltons, n Proc. Int. Conf. PELINCEC, Wrsw, Polnd, October 6 9. [9] J. Rodrguez, J. Pontt, P. Corre, P. Lezn nd P. Cortes. 5. Pretve power control of n AC/DC/AC converter, n Conf. Rec. IEEE IA Annu.Meetng, October Vol., pp [] Jose Rodrguez, Mrn P. Kzmerkowsk nd Chrstn A. Rojs.. tte of the Art of Fnte Control etmodelpretvecontrol n Power Electroncs IEEE Trns. Ind. Informtc, Vol. 9, no., My. [] ]. Kouro, P. Cortes, R. Vrgs, U. Ammnn nd J. Rodrguez. 9. Model pretve control- smple nd powerful method to control power converters, IEEE Trns. Ind. Electron., vol. 56, no. 6, pp , June. [] Cortes P., M. P. Kzmerkowsk, R. M. Kennel, D. E. Quevedo nd J. Rodrguez. 8. Pretve control n power electroncs nd drves IEEE Trns. Ind. Electron, vol. 55, no. December. [] PbloAcun, Lus Morn, Mrco Rver, Jun Dxon, nd Jose Rodrguez.. Improved Actve Power Flter Performnce for Renewble Power Generton ystems IEEE Trns. Power Electroncs, vol. 9, no., Februry. [] VenktYrmsu, Mrco Rver nd Jose Rodrguez.. Model Pretve Current Control of Two Level Four-Leg Inverters Prt I: Concept, Algorthm,nd multon Anlyss IEEE Trns. Power Electroncs, vol. 8, no. 7, July. [5] P. Cortes, J. Rodrguez,. Vzquez, L. nd G. Frnquelo.. Pretve control of three-phse UP nverter usngtwo steps preton horzon, n Proc. IEEE Int. Ind. Technol. (ICIT) Conf., pp [6] P. Mttvell, G. pzz nd P. Tent. 5. Pretve dgtl control of power fctor pre regultors wth nput voltge estmton usng dsturbnce observers, IEEE Trns. Power Electronc., Vol., no., pp. 7, Jnury. [7] J. Rodrguez, J. Pontt, C. A. lv, P. Corre, P. Lezn, P. Cortes nd U. Ammnn. 7. Pretve current control of voltge source nverter, IEEE Trns. Ind. Electron., Vol. 5, no., pp. 95 5, Jnury. [8] H. Mrnd, R. Teodorescu, P. Rodrguez nd L. Helle. 9. Model pretve current control for hgh-power grd-connected converters wth output 76
8 VOL., NO. 7, APRIL 5 IN ARPN Journl of Engneerng nd Appled cences 6-5 Asn Reserch Publshng Network (ARPN). All rghts reserved. LCL flter, n Proc. 9 5th Annu. Conf. of IEEE Ind. Electron., Nov. pp [9] R. Vrgs, P. Cortes, U. Ammnn, J. Rodrguez nd J. Pontt. 7. Pretve control of three-phse neutrl-pont-clmped nverter, IEEE Trns. Ind. Electron., Vol. 5, no. 5, pp []. Aurteneche, M. A. Rodrguez, E. Oyrbde nd J. R. Torreldy. 7. Pretve drect power control of MV-grd-connected two-level nd, three-level NPC converters: Expermentl results, n Proc. Eur. Conf. Power Electron. Applct., pp.. [] P. Cortes, A.Wlson,. Kouro, J. Rodrguez nd H. Abu-Rub.. Model pretve control of multlevel cscded H-brdge nverters, IEEE Trns. Ind. Electron., vol. 57, no. 8, pp , August. [] M. Pérez, J. Rodrguez nd A. Cocc. 9. Pretve current control n sngle phse PFC boost rectfer, n Proc. IEEE Int. Conf. Ind. Technol. ICIT 9, pp. 6. [] M. Perez, J. Rodrguez, E. Fuentes nd F. Kmmerer.. Pretve control of AC-AC modulr multlevel converters, IEEE Trns. Ind. Electron., Vol. 59, no. 7, p. 89. [] R. Vrgs, U. Ammnn nd J. Rodrguez. 9. Pretve pproch to ncrese effcency nd reduce swtchng losses on mtrx converters, IEEE Trns. Power Electron., vol., no., pp
i S1 V IN i C1 i N i C2 i S2
ENGINEERING FOR RURAL DEVELOPMENT Jelgv, 0.-.05.05. VOLTAGE BALANCE CONTROL OF TWO-LEVEL DC-DC CONVERTER Ksprs Krocs, Ugs Srmels, Vesturs Brzs Insttute of Physcl Energetcs; Rg Techncl Unversty kselt@nbox.lv
More informationSinusoidal Steady State Analysis
CHAPTER 8 Snusodl Stedy Stte Anlyss 8.1. Generl Approch In the prevous chpter, we hve lerned tht the stedy-stte response of crcut to snusodl nputs cn e otned y usng phsors. In ths chpter, we present mny
More informationA Novel Control Method for Input Output Harmonic Elimination of the PWM Boost Type Rectifier Under Unbalanced Operating Conditions
A Novel Control Method for nput Output Hrmonc Elmnton of the PWM Boost Type Rectfer Under Unblnced Opertng Condtons A. V. Stnkovc T. A. Lpo Electrcl nd Computer Engneerng Clevelnd Stte Unversty Deprtment
More informationModified Venturini Modulation Method for Matrix Converter Under Unbalanced Input Voltage Conditions
Preprnts (www.preprnts.org) NOT PEER-REVIEWED Posted: 22 y 28 do:.2944/preprnts285.28.v 2 4 5 6 7 8 9 2 4 5 6 7 8 9 2 2 22 2 24 25 26 27 28 29 2 4 5 6 7 8 9 4 4 42 Artcle odfed Venturn odulton ethod for
More informationSingle-Phase SOGI-PLL Based Reference Current Extraction for Three-Phase Four-Wire DSTATCOM
Sngle-Phse SOG-PLL Bsed Reference Current Extrcton for Three-Phse Four-Wre DSTATCOM Hreesh Kumr Yd Reserch Scholr, Deprtment of Electrcl Engneerng, JNTU, Hyderbd, Telngn, NDA. hr_yd6@yhoo.co.n Dr.M.S.R
More informationPre-distortion Linearization for 64-QAM Modulation in Ka-Band Satellite Link
IJCSNS Interntonl Journl of Computer Scence nd Network Securty, VOL.8 No.8, August 008 47 Pre-dstorton Lnerzton for 64-QAM Modulton n K-Bnd Stellte Lnk P. Sojood Srdrood,, G.R. solt nd P. Prvnd Summry
More informationA Control Strategy Based on UTT and ISCT for 3P4W UPQC
Interntonl Journl of Electrcl nd Electroncs Engneerng 5: 011 A Control Strtegy Bsed on UTT nd ISCT for P4W UPQC Ysh Pl, A.Swrup, nd Bhm Sngh Astrct Ths pper presents noel control strtegy of threephse four-wre
More informationInternational Journal of Advanced Research in Engineering and Technology (IJARET), ISSN 0976 INTERNATIONAL JOURNAL OF ADVANCED RESEARCH IN
INTERNATIONAL JOURNAL OF ADVANCED RESEARCH IN 48(Prnt), ISSN 97 499(Onlne) Volume 4, Issue 5, July August (2), IAEME ENGINEERING AND TECHNOLOGY (IJARET) ISSN 97-48 (Prnt) ISSN 97-499 (Onlne) Volume 4,
More informationMitigation of Harmonics by Shunt Active Power Filter using Synchronous Detection Method
Interntonl Journl of Engneerng Trends nd Technology (IJETT Volume 4 Issue 6- June 013 Mtgton of Hrmoncs y Shunt Acte Power Flter usng Synchronous Detecton Method A.Surmny S #1, M.Bhn * # Electrcl nd Electroncs
More informationFuzzy Logic Controller for Three Phase PWM AC-DC Converter
Journl of Electrotechnology, Electricl Engineering nd Mngement (2017) Vol. 1, Number 1 Clusius Scientific Press, Cnd Fuzzy Logic Controller for Three Phse PWM AC-DC Converter Min Muhmmd Kml1,, Husn Ali2,b
More informationDesign of Neuro-Fuzzy System Controller for DC Servomotor- Based Satellite Tracking System
IOSR Journl of Electrcl nd Electroncs Engneerng (IOSR-JEEE) e-issn: 78-676,p-ISSN: 3-333, Volume, Issue 4 Ver. III (Jul. Aug. 6), PP 89- www.osrjournls.org Desgn of Neuro-Fuzzy System Controller for DC
More informationFuzzy Logic Controlled Shunt Active Power Filter for Three-phase Four-wire Systems with Balanced and Unbalanced Loads
Fuzzy Logc ontrolled Shunt ctve Power Flter for Threephase Fourwre Systems wth alanced and Unbalanced Loads hmed. Helal, Nahla E. Zakzouk, and Yasser G. Desouky bstract Ths paper presents a fuzzy logc
More informationSimplified Algorithm and Hardware Implementation for the (24, 12, 8) Extended Golay Soft Decoder Up to 4 Errors
The Interntonl Arb Journl of Informton Technology, Vol., No., Mrch 04 Smplfed Algorthm nd Hrdwre Implementton for the (4,, 8 Extended Goly Soft Decoder Up to 4 Errors Dongfu Xe College of Mechncl nd Electrcl
More informationA Substractive Clustering Based Fuzzy Hybrid Reference Control Design for Transient Response Improvement of PID Controller
IB J. Eng. Sc. Vol. 4, No., 009, 67-86 67 A Substrctve lusterng Bsed Fuzzy Hybrd Reference ontrol Desgn for rnsent Response Improvement of PID ontroller Endr Joelnto & Prlndungn H. Stnggng Instrumentton
More informationPerformance Evaluation of Survivable Multifiber WDM Networks
erformnce Evluton of Survvble ultfber WD Networks Yunqu Luo nd Nrwn Ansr Advnced Networkng Lbortory Deprtment of Electrcl nd Computer Engneerng New Jersey Intute of Technology Unvery Heghts, Newrk, NJ
More informationShunt Active Filters (SAF)
EN-TH05-/004 Martt Tuomanen (9) Shunt Actve Flters (SAF) Operaton prncple of a Shunt Actve Flter. Non-lnear loads lke Varable Speed Drves, Unnterrupted Power Supples and all knd of rectfers draw a non-snusodal
More informationWalsh Function Based Synthesis Method of PWM Pattern for Full-Bridge Inverter
Walsh Functon Based Synthess Method of PWM Pattern for Full-Brdge Inverter Sej Kondo and Krt Choesa Nagaoka Unversty of Technology 63-, Kamtomoka-cho, Nagaoka 9-, JAPAN Fax: +8-58-7-95, Phone: +8-58-7-957
More informationModeling of Conduction and Switching Losses in Three-Phase Asymmetric Multi-Level Cascaded Inverter
Proceedings of the 5th WEA nt. onf. on Power ystems nd Electromgnetic omptibility, orfu, Greece, August 23-25, 2005 (pp176-181) Modeling of onduction nd witching Losses in Three-Phse Asymmetric Multi-Level
More informationDesign and Construction of Automatic Voltage Regulator for Diesel Engine Type Stand-alone Synchronous Generator
Desgn nd Constructon of Automtc Voltge Regultor for Desel Engne Type Stnd-lone Synchronous Genertor Mynzu Hty nd Kyw Sn Wn Abstrct Desel-electrc sttons hve some dvntges over other types of stton, prtculrly
More informationImplementation of Fan6982 Single Phase Apfc with Analog Controller
Internatonal Journal of Research n Engneerng and Scence (IJRES) ISSN (Onlne): 2320-9364, ISSN (Prnt): 2320-9356 Volume 5 Issue 7 ǁ July. 2017 ǁ PP. 01-05 Implementaton of Fan6982 Sngle Phase Apfc wth Analog
More information5 October 2015 Stereo Cross-feed Network for Headphones 1 of 12 Copyright 2015 Peter H. Lehmann. All Rights Reserved.
5 Octoer 05 Stereo Cross-feed Network for Hedphones of Copyrght 05 Peter H. ehmnn. All ghts eserved. The Dlemm The vst mjorty of stereo recordngs re engneered for reproducton wth pr of left nd rght chnnel
More informationIMPROVEMENT OF THE QUALITY OF ELECTRICAL POWER BY A PHOTOVOLTAIC GENERATOR CONNECTED TO THE GRID
Rev. Roum. Sc. Techn. Électrotechn. et Énerg. Vol. 61, 1, pp. 7 41, ucrest, 216 IMPROVEMENT OF THE QULITY OF ELECTRICL POWER Y PHOTOVOLTIC GENERTOR CONNECTED TO THE GRID SID HMED TDJER 1, IDIR HI Key words:
More informationProtection of insulated gate bipolar tr. t.
ndn nsr Sc Sept-Oct 2000 SO 457 d' -475 V n n nstllue of Scence Protecton of nsulted gte bpolr tr t short crcut nsls ors gmst G NARAYANAN S R MURALDHARA A S ANAN Dep9"lffSe()n'30600f ES
More informationRough Set Approach for Categorical Data Clustering 1
Interntonl Journl of Dtbse Theory nd Applcton Vol., No., Mrch, Rough Set Approch for Ctegorcl Dt Clusterng Tutut Herwn*, Rozd Ghzl, Iwn Tr Ryd Ynto, nd Mustf Mt Ders Deprtment of Mthemtcs Educton nversts
More informationAn Optimal Method for Using Multiple Gateways in Cellular IP Networks
Bond Unversty epublctons@bond Informton Technology ppers Bond Busness School Aprl 2004 An Optml Method for Usng Multple Gtewys n ellulr IP Networks Zheng d Wu Bond Unversty, Zheng_D_Wu@bond.edu.u Follow
More informationFigure.1. Basic model of an impedance source converter JCHPS Special Issue 12: August Page 13
A Hgh Gan DC - DC Converter wth Soft Swtchng and Power actor Correcton for Renewable Energy Applcaton T. Selvakumaran* and. Svachdambaranathan Department of EEE, Sathyabama Unversty, Chenna, Inda. *Correspondng
More informationantenna antenna (4.139)
.6.6 The Lmts of Usable Input Levels for LNAs The sgnal voltage level delvered to the nput of an LNA from the antenna may vary n a very wde nterval, from very weak sgnals comparable to the nose level,
More informationReinforcement Learning for Fuzzy Control with Linguistic States
54545454543 Journl of Uncertn Systems ol., No., pp.54-66, 8 Onlne t: www.jus.org.uk Renforcement Lernng for Fuzzy Control wth Lngustc Sttes Mohmmd Hossen Fzel Zrnd,*, Jvd Jouzdn, Mrym Fzel Zrnd Deprtment
More informationSelective Harmonic Mitigation Technique for Cascaded H-Bridge Converters with Equal DC Link Voltages
Selectve Harmonc Mtgaton Technque for Cascaded H-Brdge Converters wth Equal DC Lnk Voltages B. Subba Reddy, G. Surendra Abstract Multlevel converters are very attractve for applcatons n medum-voltage hgh
More informationSynchronous Machine Parameter Measurement
Synchronous Mchine Prmeter Mesurement 1 Synchronous Mchine Prmeter Mesurement Introduction Wound field synchronous mchines re mostly used for power genertion but lso re well suited for motor pplictions
More informationLow Switching Frequency Active Harmonic Elimination in Multilevel Converters with Unequal DC Voltages
Low Swtchng Frequency Actve Harmonc Elmnaton n Multlevel Converters wth Unequal DC Voltages Zhong Du,, Leon M. Tolbert, John N. Chasson, Hu L The Unversty of Tennessee Electrcal and Computer Engneerng
More informationClosed Loop Topology of Converter for Variable Speed PMSM Drive
Closed Loop Topology of Converter for Varable Speed PMSM Drve Devang B Parmar Assstant Professor Department of Electrcal Engneerng V.V.P Engneerng College,Rajkot, Gujarat, Inda Abstract- The dscontnuous
More informationControl of Venturini Method Based Matrix Converter in Input Voltage Variations
IMECS 9, March 8 -, 9, Hong Kong Control of Venturn Method Based Matrx Converter n Input Voltage Varatons Hulus Karaca, Ramazan Akkaya Abstract Matrx converter s a sngle-stage converter whch drectly connects
More informationFigure 1. DC-DC Boost Converter
EE46, Power Electroncs, DC-DC Boost Converter Verson Oct. 3, 11 Overvew Boost converters make t possble to effcently convert a DC voltage from a lower level to a hgher level. Theory of Operaton Relaton
More informationPower Factor Correction with AC-DC Buck Converter
Internatonal Journal of Electrcal Engneerng. IN 09742158 Volume 8, Number 1 (2015), pp. 2938 Internatonal Research Publcaton House http://www.rphouse.com Power Factor Correcton wth ACDC Buck Converter
More informationSuperposition, Thevenin and Norton. Superposition
Superposton, Thevenn nd Norton OUTINE Superposton Thevenn Equvlent Crcut Norton Equvlent Crcut Mxmum Power Theorem ecture 6, 9/1/05 Redng Chpter.6-.8 ecture 6, Slde 1 Superposton A lner crcut s one constructed
More informationSynchronous Machine Parameter Measurement
Synchronous Mchine Prmeter Mesurement 1 Synchronous Mchine Prmeter Mesurement Introduction Wound field synchronous mchines re mostly used for power genertion but lso re well suited for motor pplictions
More informationSimulation of Transformer Based Z-Source Inverter to Obtain High Voltage Boost Ability
Interntionl Journl of cience, Engineering nd Technology Reserch (IJETR), olume 4, Issue 1, October 15 imultion of Trnsformer Bsed Z-ource Inverter to Obtin High oltge Boost Ability A.hnmugpriy 1, M.Ishwry
More informationResearch on Controller of Micro-hydro Power System Nan XIE 1,a, Dezhi QI 2,b,Weimin CHEN 2,c, Wei WANG 2,d
Advanced Materals Research Submtted: 2014-05-13 ISSN: 1662-8985, Vols. 986-987, pp 1121-1124 Accepted: 2014-05-19 do:10.4028/www.scentfc.net/amr.986-987.1121 Onlne: 2014-07-18 2014 Trans Tech Publcatons,
More informationA High-Sensitivity Oversampling Digital Signal Detection Technique for CMOS Image Sensors Using Non-destructive Intermediate High-Speed Readout Mode
A Hgh-Senstvty Oversamplng Dgtal Sgnal Detecton Technque for CMOS Image Sensors Usng Non-destructve Intermedate Hgh-Speed Readout Mode Shoj Kawahto*, Nobuhro Kawa** and Yoshak Tadokoro** *Research Insttute
More informationFPGA Implementation vector control of tandem converter fed induction machine
See dscussons, stts, nd uthor profles for ths pulcton t: https://www.reserchgte.net/pulcton/228779614 FPGA Implementton vector control of tndem converter fed nducton mchne ARTICLE CITATIONS 3 READS 25
More informationTorque Control of Brushless Direct Current Motor Drives using a Single Current Sensor with High Reliability
Journl of Artfl Intellgene n Eletrl Engneerng, Vol. 5, No. 19, Novemer 216 Torque Control of Brushless Dret Current Motor Drves usng Sngle Current Sensor wth Hgh Rellty Astrt Mohsen Edpour 1, AhdFrznfr
More informationRC Filters TEP Related Topics Principle Equipment
RC Flters TEP Related Topcs Hgh-pass, low-pass, Wen-Robnson brdge, parallel-t flters, dfferentatng network, ntegratng network, step response, square wave, transfer functon. Prncple Resstor-Capactor (RC)
More informationModeling and Control of a Cascaded Boost Converter for a Battery Electric Vehicle
Modelng and Control of a Cascaded Boost Converter for a Battery Electrc Vehcle A. Ndtoungou, Ab. Hamad, A. Mssandaand K. Al-Haddad, Fellow member, IEEE EPEC 202 OCTOBER 0-2 Introducton contents Comparson
More informationUniversity of North Carolina-Charlotte Department of Electrical and Computer Engineering ECGR 4143/5195 Electrical Machinery Fall 2009
Problem 1: Using DC Mchine University o North Crolin-Chrlotte Deprtment o Electricl nd Computer Engineering ECGR 4143/5195 Electricl Mchinery Fll 2009 Problem Set 4 Due: Thursdy October 8 Suggested Reding:
More informationControl of assessment for demersal fish stocks in ICES area: analysis for 36 stocks and investigation of some potential bias sources.
ICES CM 004/K:17 Control of ssessment for demersl fsh stocks n ICES re: nlyss for 36 stocks nd nvestgton of some potentl bs sources. Mre Lesueur, Dder Gscuel nd Trstn Rouyer Abstrct We nlyzed here the
More informationVI.C CIRCUIT BREAKERS
VI.C CIRCUIT BREAKERS DMS #84474 Pge of 28 Revsed : GUIDE FOR DETERMINATION OF CIRCUIT BREAKER LOAD CURRENT CAPABILITY RATINGS PENNSYLVANIA-NEW JERSEY-MARYLAND INTERCONNECTION PLANNING AND ENGINEERING
More informationThe Existence, Uniqueness and Error Bounds of Approximation Splines Interpolation for Solving Second-Order Initial Value Problems
Journl of Mtemtcs ttstcs ():-9, 9 IN 9-9 cence Publctons Te Estence, Unqueness Error Bounds of Appromton plnes Interpolton for olvng econd-order Intl Vlue Problems Abbs Y Al Byt, Rostm K eed Frdun K Hm-l
More informationDesign of Shunt Active Filter for Harmonic Compensation in a 3 Phase 3 Wire Distribution Network
Internatonal Journal of Research n Electrcal & Electroncs Engneerng olume 1, Issue 1, July-September, 2013, pp. 85-92, IASTER 2013 www.aster.com, Onlne: 2347-5439, Prnt: 2348-0025 Desgn of Shunt Actve
More informationNevery electronic device, since all the semiconductor
Proceedings of Interntionl Joint Conference on Neurl Networks, Orlndo, Florid, USA, August 12-17, 2007 A Self-tuning for Rel-time Voltge Regultion Weiming Li, Xio-Hu Yu Abstrct In this reserch, self-tuning
More informationVoltage Quality Enhancement and Fault Current Limiting with Z-Source based Series Active Filter
Research Journal of Appled Scences, Engneerng and echnology 3(): 246-252, 20 ISSN: 2040-7467 Maxwell Scentfc Organzaton, 20 Submtted: July 26, 20 Accepted: September 09, 20 Publshed: November 25, 20 oltage
More informationHigh Speed, Low Power And Area Efficient Carry-Select Adder
Internatonal Journal of Scence, Engneerng and Technology Research (IJSETR), Volume 5, Issue 3, March 2016 Hgh Speed, Low Power And Area Effcent Carry-Select Adder Nelant Harsh M.tech.VLSI Desgn Electroncs
More informationPower Control Assessment in Induction Heating Systems with Voltage Source Inverter and Resonant L-LC Load
Annls of the nversty of Crov, Electrcl Engneerng seres, No. 38, 04; ISSN 84-4805 Power Control Assessment n Inucton Hetng Systems wth Voltge Source Inverter n esonnt L-LC Lo Mhel Popescu, Alexnru Btolenu,
More informationDual Functional Z-Source Based Dynamic Voltage Restorer to Voltage Quality Improvement and Fault Current Limiting
Australan Journal of Basc and Appled Scences, 5(5): 287-295, 20 ISSN 99-878 Dual Functonal Z-Source Based Dynamc Voltage Restorer to Voltage Qualty Improvement and Fault Current Lmtng M. Najaf, M. Hoseynpoor,
More informationHigh Speed ADC Sampling Transients
Hgh Speed ADC Samplng Transents Doug Stuetzle Hgh speed analog to dgtal converters (ADCs) are, at the analog sgnal nterface, track and hold devces. As such, they nclude samplng capactors and samplng swtches.
More informationA Novel Soft-Switching Two-Switch Flyback Converter with a Wide Operating Range and Regenerative Clamping
77 Journal of ower Electroncs, ol 9, No 5, September 009 JE 9-5- A Novel Soft-Swtchng Two-Swtch Flybac Converter wth a Wde Operatng Range and Regeneratve Clampng Marn-Go Km and Young-Seo Jung * Dvson of
More informationHarmonic Orientation of Multi Carrier Modulation in Neutral Point Clamped Inverter
SSN (Onlne) : 2319-8753 SSN (Prnt) : 2347-6710 nterntonl Journl of nnovtve Reserh n Sene, Engneerng nd Tehnology An SO 3297: 2007 Certfed Orgnzton, olume 3, Spel ssue 1, Jnury 2014 nterntonl Conferene
More informationRejection of PSK Interference in DS-SS/PSK System Using Adaptive Transversal Filter with Conditional Response Recalculation
SERBIAN JOURNAL OF ELECTRICAL ENGINEERING Vol., No., November 23, 3-9 Rejecton of PSK Interference n DS-SS/PSK System Usng Adaptve Transversal Flter wth Condtonal Response Recalculaton Zorca Nkolć, Bojan
More informationA Tunable Butterworth Low-Pass Filter with Digitally Controlled DDCC
ADOENGNEENG, VO., NO., JUNE 3 5 A Tunble Butterworth ow-p Flter wth Dgtlly Controlled DDCC Yuh-Shyn HWANG, An U, Sn-Fu WANG, Su-Che YANG, Jnn-Jong CHEN Deprtment of Electronc Engneerng, Ntonl Tpe Unverty
More informationAn iterative approach to an integrated land use and transportation planning tool for small urban areas
Journl of Modern Trnsportton Volume 20, Number 3, September 2012, Pge 160-167 Journl homepge: mt.swtu.edu.cn DOI: 10.1007/BF03325794 1 An tertve pproch to n ntegrted lnd use nd trnsportton plnnng tool
More informationInterharmonic Mitigation Using Boost Converter In Variable Speed Drives
Interharmonc Mtgaton Usg Boost Converter In Varable Speed Drves A.Vjayakumar and Dr.TK.Mahendra 2 Asso.Professor, Electrcal and Electroncs Engeerg, AAM Engeerg College, Kovlvenn, Inda 2 Senor member-ieee,
More informationA MODIFIED DIFFERENTIAL EVOLUTION ALGORITHM IN SPARSE LINEAR ANTENNA ARRAY SYNTHESIS
A MODIFIED DIFFERENTIAL EVOLUTION ALORITHM IN SPARSE LINEAR ANTENNA ARRAY SYNTHESIS Kaml Dmller Department of Electrcal-Electroncs Engneerng rne Amercan Unversty North Cyprus, Mersn TURKEY kdmller@gau.edu.tr
More informationTHE GENERATION OF 400 MW RF PULSES AT X-BAND USING RESONANT DELAY LINES *
SLAC PUB 874 3/1999 THE GENERATION OF 4 MW RF PULSES AT X-BAND USING RESONANT DELAY LINES * Sam G. Tantaw, Arnold E. Vleks, and Rod J. Loewen Stanford Lnear Accelerator Center, Stanford Unversty P.O. Box
More informationINSTANTANEOUS TORQUE CONTROL OF MICROSTEPPING BIPOLAR PWM DRIVE OF TWO-PHASE STEPPING MOTOR
The 5 th PSU-UNS Internatonal Conference on Engneerng and 537 Technology (ICET-211), Phuket, May 2-3, 211 Prnce of Songkla Unversty, Faculty of Engneerng Hat Ya, Songkhla, Thaland 9112 INSTANTANEOUS TORQUE
More informationFigure 1. DC-DC Boost Converter
EE36L, Power Electroncs, DC-DC Boost Converter Verson Feb. 8, 9 Overvew Boost converters make t possble to effcently convert a DC voltage from a lower level to a hgher level. Theory of Operaton Relaton
More informationAdaptive modified backpropagation algorithm based on differential errors
Interntonl Journl of Computer Scence, Engneerng nd Applcton (IJCSEA) Vol., No.5, October 20 Adptve modfed bckpropgton lgorthm bed on dfferentl error S.Jeyeel Subvth nd T.Kthrvlvkumr b Deprtment of Informton
More informationAn Improved Active Front End Non- Regenerative Rectifier System Employing a Five-Limb Inductor
n mproved ctve Front End on- egeneratve ectfer ystem Employng a Fve-mb nductor ahesh wamy, rves esearch and evelopment Chef Engneer, Yaskawa merca, nc., ember, EEE teven chfko, rves Product Engneer, Yaskawa
More informationDEVELOPMENT OF AN EFFICIENT EPILEPSY CLASSIFICATION SYSTEM FROM EEG SIGNALS FOR TELEMEDICINE APPLICATION
Interntonl Journl of Cvl Engneerng nd Technology (IJCIET) Volume 8, Issue 1, December 017, pp. 38 5, Artcle ID: IJCIET_08_1_005 Avlble onlne t http://http://www.eme.com/jcet/ssues.sp?jtype=ijciet&vtype=8&itype=1
More informationActive and Reactive Power Control of DFIG for Wind Energy Conversion Using Back to Back Converters (PWM Technique)
World Essays Journal / 4 (1): 45-50, 2016 2016 Avalable onlne at www. worldessaysj.com Actve and Reactve Power Control of DFIG for Wnd Energy Converson Usng Back to Back Converters (PWM Technque) Mojtaba
More informationTECHNICAL NOTE TERMINATION FOR POINT- TO-POINT SYSTEMS TN TERMINATON FOR POINT-TO-POINT SYSTEMS. Zo = L C. ω - angular frequency = 2πf
TECHNICAL NOTE TERMINATION FOR POINT- TO-POINT SYSTEMS INTRODUCTION Because dgtal sgnal rates n computng systems are ncreasng at an astonshng rate, sgnal ntegrty ssues have become far more mportant to
More informationOptimal Toll Locations and Levels in Congestion Pricing Schemes: a Case Study of Stockholm
Optml Toll Loctons nd Levels n Congeston Prcng Schemes: Cse Study of Stockholm Jokm Ekström, Leond Engelson nd Cls Rydergren Lnköpng Unversty Post Prnt N.B.: When ctng ths work, cte the orgnl rtcle. Ths
More informationIEE Electronics Letters, vol 34, no 17, August 1998, pp ESTIMATING STARTING POINT OF CONDUCTION OF CMOS GATES
IEE Electroncs Letters, vol 34, no 17, August 1998, pp. 1622-1624. ESTIMATING STARTING POINT OF CONDUCTION OF CMOS GATES A. Chatzgeorgou, S. Nkolads 1 and I. Tsoukalas Computer Scence Department, 1 Department
More informationInternational Journal on Electrical Engineering and Informatics - Volume 6, Number 2, June 2014
Internatonal Journal on Electrcal Engneerng and Informatcs - Volume 6, Number, June 14 Three-level (NPC Shunt Actve Power Flter Performances based on Fuzzy Controller for Harmonc Currents Compensaton under
More informationDigital Transmission
Dgtal Transmsson Most modern communcaton systems are dgtal, meanng that the transmtted normaton sgnal carres bts and symbols rather than an analog sgnal. The eect o C/N rato ncrease or decrease on dgtal
More informationA Comparison of South East Asian Face Emotion Classification Based on Optimized Ellipse Data Using Clustering Technique
A Comprson of South Est Asn Fce Emoton Clssfcton Bsed on Optmzed Ellpse Dt Usng Clusterng Technque K. Muthukruppn, S. Thrugnnm, R. Ngrjn, M. Rzon, S. Ycob, M. Muthukumrn3, nd T. Rmchndrn3 School of Scence
More informationDynamic Power Quality Compensator with an Adaptive Shunt Hybrid Filter
Interntionl Journl of Electronics nd Drive System (IJPEDS) Vol. 4, No. 4, December 2014, pp. 508~516 ISSN: 2088-8694 508 Dynmic Qulity Compenstor with n dptive Shunt Hybrid Filter Sindhu M R, Mnjul G Nir,
More informationThree-Phase Grid-Connected PV System With Active And Reactive Power Control Using dq0 Transformation
Three-Phase Grd-Connected PV System Wth Actve And Reactve Power Control Usng dq0 Transformaton Mateus F. Schonarde, Adrano Ruseler, Roberto F. Coelho and Denzar C. Martns Federal Unversty of Santa Catarna,
More informationMULTILEVEL INVERTER TOPOLOGIES USING FLIPFLOPS
MULTILVL INVRTR TOPOLOGIS USING FLIPFLOPS C.R.BALAMURUGAN S.SIVASANKARI Aruni ngineering College, Tiruvnnmli. Indi crblin010@gmil.com, sivyokesh1890@gmil.com S.P.NATARAJAN Annmli University, Chidmbrm,
More informationSTUDY OF MATRIX CONVERTER BASED UNIFIED POWER FLOW CONTROLLER APPLIED PI-D CONTROLLER
Journal of Engneerng Scence and Technology Specal Issue on Appled Engneerng and Scences, October (214) 3-38 School of Engneerng, Taylor s Unversty STUDY OF MATRIX CONVERTER BASED UNIFIED POWER FLOW CONTROLLER
More informationSoft-Switched CCM Boost Converter with High Voltage Gain for High Power Applications
Soft-Swtched CCM Boost Converter wth Hgh oltage Gan for Hgh Power Applcatons Sungsk Park and Sewan Cho, IEEE Senor Member Seoul Natonal Unversty of Technology Dept. of Control and Instrumentaton Eng. 17
More informationHassan II University, Casablanca, Morocco
Internatonal Journal of Enhanced Research n Scence Technology & Engneerng, ISSN: 2319-7463 Vol. 3 Issue 4, Aprl-214, pp: (321-332), Impact Factor: 1.22, Avalable onlne at: www.erpublcatons.com Comparson
More informationLab 8. Speed Control of a D.C. motor. The Motor Drive
Lb 8. Speed Control of D.C. motor The Motor Drive Motor Speed Control Project 1. Generte PWM wveform 2. Amplify the wveform to drive the motor 3. Mesure motor speed 4. Mesure motor prmeters 5. Control
More informationSynchronous Generator Line Synchronization
Synchronous Genertor Line Synchroniztion 1 Synchronous Genertor Line Synchroniztion Introduction One issue in power genertion is synchronous genertor strting. Typiclly, synchronous genertor is connected
More informationAn Efficient Bridgeless PFC Cuk Converter Based PMBLDCM Drive
ISSN (Onlne) 2321 24 Vol. 2, Issue 2, February 214 An Effcent Brdgeless PFC Cuk Converter Based PMBLDCM Drve Jomy Joy 1, Amal M.R 2, Rakesh R 3, Kannan S.A 4, Anna Rana 5 M Tech Scholar, Power Electroncs,
More informationTo: Professor Avitabile Date: February 4, 2003 From: Mechanical Student Subject: Experiment #1 Numerical Methods Using Excel
To: Professor Avtable Date: February 4, 3 From: Mechancal Student Subject:.3 Experment # Numercal Methods Usng Excel Introducton Mcrosoft Excel s a spreadsheet program that can be used for data analyss,
More informationLecture 16: Four Quadrant operation of DC Drive (or) TYPE E Four Quadrant chopper Fed Drive: Operation
Lecture 16: Four Qudrnt opertion of DC Drive (or) TYPE E Four Qudrnt chopper Fed Drive: Opertion The rmture current I is either positive or negtive (flow in to or wy from rmture) the rmture voltge is lso
More information29. Network Functions for Circuits Containing Op Amps
9. Network Functons for Crcuts Contanng Op Amps Introducton Each of the crcuts n ths problem set contans at least one op amp. Also each crcut s represented by a gven network functon. These problems can
More informationImprovement of the Shunt Active Power Filter Dynamic Performance
Improvement of the Shunt Actve Power Flter Dynamc Performance Krzysztof Potr Sozansk Unversty of Zelona Góra, Faculty of Electrcal Engneerng omputer Scence and Telecommuncatons Zelona Góra, Poland Abstract
More informationAn active damper for stabilizing power electronics-based AC systems Wang, Xiongfei; Blaabjerg, Frede; Liserre, Marco; Chen, Zhe; He, J.; LI, Y.
Aalborg Unverstet An actve damper for stablzng power electroncs-based AC systems Wang Xongfe; Blaabjerg Frede; Lserre Marco; Chen Zhe; He J.; LI Y. Publshed n: 8th Annual IEEE Appled Power Electroncs Conference
More informationAn Improved Active Filter Technique for Power Quality Control under Unbalanced Dynamic Load Condition
Amercan Journal of Engneerng Research (AJER) e-issn: -847 p-issn : -96 Volume-5, Issue-, pp-97-5 www.ajer.org Research Paper Open Access An Improved Actve Flter Technque for Power Qualty Control under
More informationComparison of Reference Compensating Current Estimation Techniques for Shunt Active Filter
Comparson of Reference Compensatng Current Estmaton Technques for Shunt Acte Flter R.SHANMUGHA SUNDARAM K.J.POORNASEVAN N.DEVARAJAN Department of Electrcal & Electroncs Engneerng Goernment College of Technology
More informationIMPACT OF AIRPORT NOISE REGULATIONS ON NETWORK TOPOLOGY AND DIRECT OPERATING COSTS OF AIRLINES
27 TH INTERNATIONAL CONGRESS OF THE AERONAUTICAL SCIENCES IMPACT OF AIRPORT NOISE REGULATIONS ON NETWORK TOPOLOGY AND DIRECT OPERATING COSTS OF AIRLINES Prksh N. Dksht*, Dnel A. DeLurents*, nd Wllm A.
More informationExercise 1-1. The Sine Wave EXERCISE OBJECTIVE DISCUSSION OUTLINE. Relationship between a rotating phasor and a sine wave DISCUSSION
Exercise 1-1 The Sine Wve EXERCISE OBJECTIVE When you hve completed this exercise, you will be fmilir with the notion of sine wve nd how it cn be expressed s phsor rotting round the center of circle. You
More informationHIGH PERFORMANCE ADDER USING VARIABLE THRESHOLD MOSFET IN 45NM TECHNOLOGY
Internatonal Journal of Electrcal, Electroncs and Computer Systems, (IJEECS) HIGH PERFORMANCE ADDER USING VARIABLE THRESHOLD MOSFET IN 45NM TECHNOLOGY 1 Supryo Srman, 2 Dptendu Ku. Kundu, 3 Saradndu Panda,
More informationPassive Filters. References: Barbow (pp ), Hayes & Horowitz (pp 32-60), Rizzoni (Chap. 6)
Passve Flters eferences: Barbow (pp 6575), Hayes & Horowtz (pp 360), zzon (Chap. 6) Frequencyselectve or flter crcuts pass to the output only those nput sgnals that are n a desred range of frequences (called
More informationACTIVE RESISTANCE EMULATION IN THREE-PHASE RECTIFIER WITH SUBOPTIMAL CURRENT INJECTION
6 th INTNTIONL SYMPOSIUM on POW ELECTRONICS - Ee NOVI SD, REPULIC O SI, October 6 th - 8 th, CTIVE RESISTNCE EMULTION IN THREE-PHSE RECTII WITH SUOPTIML CURRENT INJECTION Mlan Darjeć, Predrag Pejoć, Yasuyuk
More informationHarmonic Balance of Nonlinear RF Circuits
MICROWAE AND RF DESIGN Harmonc Balance of Nonlnear RF Crcuts Presented by Mchael Steer Readng: Chapter 19, Secton 19. Index: HB Based on materal n Mcrowave and RF Desgn: A Systems Approach, nd Edton, by
More informationLOW SENSITIVITY DESIGN OF MULTIPLIERLESS ELLIPTIC IIR DIGITAL FILTERS
LOW SENSITIVITY DESIGN OF MULTIPLIERLESS ELLIPTIC IIR DIGITAL FILTERS Vlentn Ilev Anzov Dertment of Telecommunctons, Techncl Unversty of Sof Techncl Unversty, Dertment of Telecommunctons, 1756 Sof, Bulgr,
More informationPRACTICAL, COMPUTATION EFFICIENT HIGH-ORDER NEURAL NETWORK FOR ROTATION AND SHIFT INVARIANT PATTERN RECOGNITION. Evgeny Artyomov and Orly Yadid-Pecht
68 Internatonal Journal "Informaton Theores & Applcatons" Vol.11 PRACTICAL, COMPUTATION EFFICIENT HIGH-ORDER NEURAL NETWORK FOR ROTATION AND SHIFT INVARIANT PATTERN RECOGNITION Evgeny Artyomov and Orly
More informationPerformance Comparison of Sliding Mode Control and Conventional PI Controller for Speed Control of Separately Excited Direct Current Motors
Journl of Science nd Technology Vol. 13, No. 2 Engineering nd Computer Sciences (ECS) Performnce Comprison of Sliding Mode Control nd Conventionl PI Controller for Speed Control of Seprtely Excited Direct
More information