Design and Implementation of Interleaved Boost Converter

Transcription

1 ISSN (Prnt) : 9-86 ISSN (Onlne) : 975- K. atha Shenoy et al. / Internatonal Journal of Engneerng and Technology (IJET) Degn and Implementaton of Interleaved oot onverter K. atha Shenoy #!,.Guruda Nayak *, Rajahekar P Man! # Department of E&E Engneerng, NMM Inttute of Technology, Ntte, Karnataka, Ina * Dept of Intrumentaton & ontrol Engneerng, MIT, MU, Manpal, Karnataka, Ina! School of Electrcal Engneerng, RE Unverty, angalore, Ina lathahenoy@ntte.edu.n cg.nayak@manpal.edu(correponng author) rajahekarpm@reva.edu.n btract Th paper deal wth the degn and mulaton of nterleaved boot converter for utanable nonconventonal energy ource. oth low and hgh power applcaton demand the ue of D/D converter. Two Phae Interleaved D-D oot converter have many advantage compared to conventonal boot converter uch a very le current rpple, hgh effcency, fater dynamc. Two phae nterleaved converter ued to boot the output voltage to wth hgher effcency of around 98%. Further ung nterleavng devce tre can be lowered and reult n ncreae n effcency. The propoed work mulated ung matlab mpowerytem. Keyword- I, tate pace analy, boot converter I. INTRODUTION The ncreaed envronmental polluton have lead to the replacement of conventonal ource by renewable ource lke photovoltac ource, wndmll etc whch reult n turn an ncreae n the demand of D- D converter. acally D-D converter are ued to boot the nput voltage to requred output voltage and to get the hgh voltage gan []. The converter hould be operated wth the duty cycle of more than 5% to get hgher gan n voltage level. The drawback of conventonal boot converter low voltage gan. Hence to overcome th problem an nterleaved boot converter propoed for renewable ytem. power dente contnue to re, nterleaved boot degn become a powerful tool to manage nput current wth ncreaed effcency. Two phae nterleaved D-D boot converter are ued for the applcaton requrng demand uch a low current rpple, hgh effcency, fater dynamc, and hgher power denty. Wth the help of nterleavng technque, the nductor current of nterleaved boot converter can be reduced [].In cae of mple conventonal boot converter current njected to the load contnuou and capactor current ha hgh rpple at the output. Th epecally o n the emergng applcaton area of automotve power converon, where the nput voltage low and large voltage boot are dered []. II. TWO PHSE INTEREED OOST ONERTER The chematc agram of two phae nterleaved boot converter a hown n Fg. It contan nductor n parallel wth nductor, wtch Q n parallel wth another wtch Q, ode D n parallel wth ode D, thereby formng two parallel channel between nput and output crcut. ll dentcal component are ued for the crcut to obtan nterleavng operaton. Two wtche are provded the gate gnal whch out of phae by 8. Fg : Schematc agram of Interleaved oot rcut onderng peak nductor rpple current a % of the average nductor current, the nductor value obtaned ung the expreon. D max maxmum value of duty cycle whch.75 and mn the mnmum of nput voltage (). DOI:.87/jet/7/v9/79S76 ol 9 No S July 7 96

2 ISSN (Prnt) : 9-86 ISSN (Onlne) : 975- K. atha Shenoy et al. / Internatonal Journal of Engneerng and Technology (IJET) phae nd f y takng % peak to peak capactor rpple, capactor value obtaned ung gven expreon n. D () n out T R out Th technque reult n doublng of rpple frequency and reultng n reducton n rpple n the output voltage. III. MODES OF OPERTION The tate pace averagng technque ued for the analy of nterleaved boot converter. Ung thee equaton mathematcal model obtaned for the two phae nterleaved boot converter. The operaton of the converter explaned wth the help of four wtchng mode of the converter. Th converter compre of four mode of operaton. The tate equaton are derved a follow. () Fg : Ideal waveform for the nterleaved converter Mode-: Durng mode the wtche Q and Q are wtched on and the ode Dand D are under off conton. Fgure: how the equvalent crcut for th mode. Fg : Equvalent crcut durng mode The followng equaton decrbe the mode operaton where nductor current and are taken a tate varable. lo capactor voltage o condered a thrd tate varable. () dv () () DOI:.87/jet/7/v9/79S76 ol 9 No S July 7 97

3 and () Durng mode, the wtch Q n on conton and wtch Q n off conton and D n off conton and D n on conton repectvely. The fgure repreent the operaton under mode. Fg: Equvalent crcut durng mode (5) (6) dv (7) and (8) In mode, the wtch Q n off conton and the wtch Q n on conton and the correponng ode uch a D and D are n on and off conton repectvely. The fgure:5 repreent the operaton of I under mode. Fg 5 Equvalent crcut durng mode ISSN (Prnt) : 9-86 ISSN (Onlne) : 975- K. atha Shenoy et al. / Internatonal Journal of Engneerng and Technology (IJET) DOI:.87/jet/7/v9/79S76 ol 9 No S July 7 98

4 (9) () dv () and () Fg 6: Equvalent crcut durng mode () () dv (5) and (6) The tate equaton and the coeffcent matrx for the nterleaved converter gven below. U X X (7) Y=X+DU (8) d d d d (9) d d d d () d d d d D () ISSN (Prnt) : 9-86 ISSN (Onlne) : 975- K. atha Shenoy et al. / Internatonal Journal of Engneerng and Technology (IJET) DOI:.87/jet/7/v9/79S76 ol 9 No S July 7 99

5 ISSN (Prnt) : 9-86 ISSN (Onlne) : 975- K. atha Shenoy et al. / Internatonal Journal of Engneerng and Technology (IJET) The tranfer functon of the boot converter are gven a below. o ( ) n( ) D R( D) ( D) n( ) d( ) D R( D) ( D) () () TE : Degn value of Interleaved oot rcut Sl.No Decrpton Degn parameter value Input voltage range - Output voltage Output power 5.KW oad current 5 5 Swtchng frequency KHz 6 Inductance, 757µH 7 apactance 7µF 8 oad Retance I. RESUT & DISUSSION The nterleaved boot converter degned for wtchng frequency of KHz. Swtchng pule obtaned have 8 degree phae hft for nterleavng operaton. The nput voltage range taken -. The nomnal voltage of taken a nput to the converter. The waveform for output voltage, nput current, output current and output power hown n the fgure gven below. The load retance of ohm elected to whch power of 5KW gven. Duty cycle of.75 taken for the wtchng MOSFET. The tate pace analy done for open loop operaton of nterleaved boot converter. Fg 7: Smulaton of nterleaved oot onverter Fg 8 :oot output voltage through load DOI:.87/jet/7/v9/79S76 ol 9 No S July 7 5

6 ISSN (Prnt) : 9-86 ISSN (Onlne) : 975- K. atha Shenoy et al. / Internatonal Journal of Engneerng and Technology (IJET) Fg 9 Output current through load Fg :. nductor current through, Fg: Output power delvered to load Fg :. urrent through nductor,. ONUSION Degn and analy of nterleaved boot converter for renewable applcaton done n th paper. The nput voltage of booted to output voltage of ung nterleavng technque. The operaton performed under open loop conton. The ytem able to delver the power to the load wth hgher effcency. The effcency of 98% obtaned ung th technque. The evaluaton by ung mathematcal model ha been analyzed. The I ha more advantage lke hgh effcency, low rpple etc. when compared to the conventonal boot converter. Th I can be appled to the grd connected ytem wth the nverter crcut for convertng D to. The propoed nterleaved boot converter alo utable for the applcaton uch a hgh-effcency converter, a power-factor-correcton crcut, and battery charger. KNOWEDGMENT uthor are very grateful to management of NMM Inttute of Technology Ntte, Udup and RE Unverty, engaluru for provng reource to conduct th reearch work. REFERENES [] H. M. Swamy, K. P. Guruwamy, and S. P. Sngh, Degn, Modelng and naly of Two evel Interleaved oot onverter, IEEE Internatonal onference on Machne Intellgence and Reearch dvancement (IMIR), pp. 59-5, December, []. Ghoh, S. anerjee, M. K. Sarkar, and P. Dutta, Degn and Implementaton of Type-II and Type-III ontroller for D-D Swtched-Mode oot onverter by ung K-Factor pproach and Optmzaton Technque, IET Power Electronc, vol. 9, no. 5, pp , 6. (do:.9/et-pel.5.) [] H.. Shn, J. G. Park, S. K. hung, H. W. ee, T.. po, Generaled Steady-State naly of Multphae Interleaved oot onverter Wth oupled Inductor. IEE Proc. Electr. Power ppl, ol.5, No., Page 58 59,5 [] P. and. ehman, degn method for parallelng current mode controlled D-D converter, IEEE Tran. on Power Electron., vol. 9, no.may,. DOI:.87/jet/7/v9/79S76 ol 9 No S July 7 5

7 ISSN (Prnt) : 9-86 ISSN (Onlne) : 975- K. atha Shenoy et al. / Internatonal Journal of Engneerng and Technology (IJET) [5] I. arc,. Yafav and M. Erm, Unty power factor boot converter wth phae hfted parallel IGT operaton for meum power applcaton. IEE. Proc.-Electr. Power ppl. ol.9, No., May. [6] D. Makmovc, R. Zane, and R. Erckon, Impact of Dgtal ontrol n Power Electronc. IEEE Internatonal Sympoum on Power Semconductor Devce &Ic Ktakyuhu, Japan, May. [7]. Newton, T.. Green, and D. ndrew, /D Power Factor orrecton Ung Interleavng oot and uk onverter. IEEPower Electronc & arable Speed, onference Publcaton, No.75, Page 9-98,. [8].. Mwa, D. M. Otten, and M. F. Schlecht, Hgh Effcency Power Factor orrecton Ung Interleavng Technque. IEEE ppled Power Electronc onference and Expoton, Page , 99. [9] M. hen, J. Sun, Reduced-Order veraged Modelng of ctve-lam oonverter. IEEE Tranacton on Power Electronc, olume, No., Page 87-9, 6. [] H.Razmontazer, J.S.Moghan, M.Taher, H.ayat, veraged Modelng Of New -rectonal D-D onverter. IEEE nd Power Electronc, Drve Sytem and Technologe onference, page ,. [] Wa R. J., n. Y., Duan R. Y. and hang Y. R. (7) Hgh-effcency D-D converter wth hgh voltage gan and reduced wtch tre IEEE Tran. Ind. Electron., vol. 5, no., pp [] Wu T. F., a Y. S., Hung J.. and hen Y. M. (8) oot converter wth coupled nductor and buck-boot type of actve clamp IEEE Tran. Ind. Electron., vol. 55, no., pp UTHOR PROFIE K.atha Shenoy preently workng a atant profeor, department of Electrcal & Electronc engneerng, NMM Inttute of Technology, Ntte. She ha year of teachng experence and year of ndutral experence. She receved M.Tech degree n gtal Electronc and dvanced communcaton from Manpal Inttue of Technology, Manpal. Her reearch nteret nclude renewable energy ytem, power electronc, control ytem. Dr.. Guruda Nayak, receved h.e. n Intrumentaton Technology n 988 from Gulbarga Unverty, Gulbarga Ina and M.S. n ommuncaton Engneerng n the year 996 from NewPort Unverty, US and PhD from Manpal Unverty, Manpal, Ina n the year 8. He ha 8 year of Indutral /teachng experence and publhed 76 paper n Internatonal, Natonal onference and journal. He currently workng a a Profeor n the Intrumentaton and ontrol Engneerng department, Manpal Inttute of Technology,Manpal Unverty, Manpal. H reearch nteret nclude ommuncaton Network, Intrumentaton and Tranducer and Moble Telephone Sytem. Dr. Rajahekar P. Man preently workng a Drector of School of Electrcal Engneerng, RE Unverty, angalore. efore jonng RE Unverty, he worked n entral Power Reearch Inttute, angalore for more than 6 year n reearch. He receved M. Tech. degree n Energy Sytem Engneerng from wewaraah Technologcal Unverty, elgaum wth rd rank and Ph.D n Power and Energy from NITK, Surathkal through reearch. He a profeonal member of IEEE. He accreted energy autor from ureau of Energy Effcency (EE), Govt. of Ina. He preently charman of Socety for Energy Effcency & Manager (SEEM) Karnataka hapter DOI:.87/jet/7/v9/79S76 ol 9 No S July 7 5