Triphase to make parts for EV power man­age­ment sys­tems

Auto components India - - COVER STORY - Story by: Ramya Srini­vasan ACI

Triphase Tech­nolo­gies Pvt Ltd, an Orig­i­nal De­sign Man­u­fac­turer for the OEMs, is work­ing on e-mo­bil­ity so­lu­tions like charg­ers, DC-DC con­vert­ers and BLDC mo­tor drives. The com­pany sup­plies power con­ver­sion and con­trol so­lu­tions to lead­ing OEMs in the field of IT, telecom­mu­ni­ca­tions, au­to­mo­tive, rail­ways, light­ing and en­ergy man­age­ment.

“In elec­tric ve­hi­cle (EV) space we are fo­cus­ing mainly on charg­ers, con­vert­ers, bat­tery man­age­ment sys­tem and mo­tor drives. We de­velop in­tel­li­gent on-board charg­ing sys­tems where there is CAN com­mu­ni­ca­tion to help com­mu­ni­cat­ing with the elec­tronic sys­tems in the car. DC-DC con­verter takes the bat­tery volt­age on the ve­hi­cle and con­verts into 12V DC which is re­quired by the sub-sys­tems in the elec­tric ve­hi­cle. Mo­tor drives the con­trollers which drive the mo­tor of the ve­hi­cle,” Shyam M Gopinath, Di­rec­tor, Triphase Tech­nolo­gies Pvt. Ltd, told Auto Com­po­nents In­dia.

Along with the in­creas­ing num­ber of elec­tric and hy­brid ve­hi­cles, the de­mand for charg­ing sta­tions will surge. For speedy charg­ing, both the ve­hi­cle types will need highly-ef­fi­cient on-board AC/DC charg­ers with high-power den­sity and suit the space and weight pa­ram­e­ters. Triphase is work­ing on an on­board charger which can con­trol the val­ues of the load volt­age and cur­rent and main­tain them at a de­sir­able value, he said.

DC-DC con­verter sup­plies con­ven­tional low-power, low­volt­age loads. How­ever, the need for high power bidi­rec­tional DC- DC con­vert­ers in fu­ture elec­tric ve­hi­cles has led to the de­vel­op­ment of many new topolo­gies. Mo­tor drive sys­tem is one of the core com­po­nents of elec­tric ve­hi­cles. To meet the elec­tric ve­hi­cles per­for­mance re­quire­ments like start­ing, ac­cel­er­at­ing, climb­ing and other driv­ing con­di­tions, mo­tor drive sys­tem re­quires high torque at low speed, high power at high speed, wide speed con­trol range, etc.

“We de­velop Bat­tery Man­age­ment Sys­tems based on cus­tomer re­quire­ment. Bat­tery packs are nor­mally con­nected in se­ries and par­al­lel. To­gether with Re­ne­sas Semi­con­duc­tor, our so­lu­tion mon­i­tors in­di­vid­ual cells. Up to 16 slave de­vices are mon­i­tored on 1 mas­ter de­vice. Our prod­ucts are de­signed and man­u­fac­tured in In­dia us­ing world-class tech­nol­ogy. While be­ing cost ef­fec­tive, we also en­sure that the prod­ucts are rugged and suit­able for In­dian con­di­tions. Sin­gle Phase On-Board Charg­ers are up to 3.3 kW, while 3 Phase Charg­ers can be up to 10kW. Raw Ma­te­ri­als are pro­cured from ma­jor semi­con­duc­tor man­u­fac­tur­ers like Re­ne­sas, In­fi­neon and Nichicon. All th­ese com­pa­nies are global play­ers with plants across the world. We do have the tech­nol­ogy and so­lu­tions for DC fast charg­ing us­ing so­lar and wind en­ergy. Large play­ers and OEMs are yet to set up fast charg­ing sta­tions across the coun­try which will be essen­tial to make EVs vi­able. Triphase has started dis­cussing pos­si­bil­i­ties on this front with some large cor­po­rates,” Gopinath said.

Triphase has man­u­fac­tur­ing fa­cil­i­ties in Ban­ga­lore and at Par­wanoo, in Hi­machal Pradesh, which are fully equipped to of­fer EV prod­ucts to the ma­jor OEMs in 2W, 3W and 4W seg­ment. The present sup­plies are in lim­ited num­bers as the EVs are yet to take off. The com­pany has 3 SMT Lines and 4 Through Hole Sol­der­ing Lines to en­sure timely de­liv­ery.

“To en­sure that we are at par with the chang­ing cus­tomer re­quire­ments and mar­ket, we have de­vel­oped an in-house re­search and de­vel­op­ment unit. It is man­aged by an ef­fi­cient and tal­ented team of re­searchers and en­gi­neers who con­duct re­search on new de­signs in our range. Through on-go­ing ef­forts in the R&D unit, we im­prove level of ser­vices and qual­ity of prod­ucts,” Gopinath said.

Shyam M Gopinath, Di­rec­tor, Triphase Tech­nolo­gies

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