Vikram So­lar launches ‘HELITRAC’- the rev­o­lu­tion­ary Sun track­ing sys­tem

Power Watch India - - EQUIPMENT WATCH -

Vikram So­lar an­nounced the launch of ‘HELITRAC’, a highly ad­vanced so­lar tracker with ro­bust weather proof mech­a­nism and mul­ti­mode in­tel­li­gent op­er­a­tions. The prod­uct was show­cased at Re­new­able En­ergy In­dia Expo, Greater Noida. Set to boost the so­lar in­dus­try by fur­ther im­prov­ing PV ef­fi­cien­cies, ‘HELITRAC’ can change its ori­en­ta­tion through­out the day to fol­low the sun’s path to max­imise en­ergy cap­ture. It al­lows east-west land un­du­la­tions up to 3-5 de­grees. Ad­di­tion­ally, its IP65 gears and drives make the sys­tem weather-proof and ro­bust. The prod­uct is touted to be a break­through devel­op­ment, as it in­tro­duces cer­tain unique fea­tures for the first time in In­dia, viz link tube with ar­tic­u­lated joints, dust avoid­ance and rain mode.

High­light­ing the im­por­tance of ‘HELITRAC’, Sid­dhartha Sen­gupta, Pres­i­dent- En­gi­neer­ing, Vikram So­lar said, “In large-scale MW projects, util­i­sa­tion of sun track­ing sys­tems is be­com­ing in­creas­ingly preva­lent as it en­ables de­vel­op­ers to make max­i­mum util­i­sa­tion of avail­able land by gen­er­at­ing more elec­tric­ity even from a shred­ded down DC ca­pac­ity. Our new prod­uct- HELITRAC in­creases per­for­mance and PV ef­fi­cien­cies, of­fer­ing var­i­ous in­dus­try-first fea­tures and low­est LCOE. The prod­uct has been in­tro­duced with a clear aim to cater to the ever-grow­ing en­ergy needs in a cost ef­fec­tive way and to serve the en­ergy revo­lu­tion.”

He added, “With the ben­e­fits of fast in­stal­la­tion and ease of trans­port, the prod­uct is slated to hit the mar­ket early in Q1 of 2017-18. Our rev­o­lu­tion­ary sun tracker will not only in­crease so­lar PV plant gen­er­a­tion, but also min­imise the plant’s cap­i­tal cost through its unique fea­tures.”

‘HELITRAC’ is be­stowed with var­i­ous fea­tures that not only make it a unique prod­uct, but are also ad­van­ta­geous for end con­sumers. Ex­hibit­ing in­tel­li­gent fea­tures like link tube with ar­tic­u­lated joints and slew drives, it al­lows mas­sive field adap­ta­tion, re­duc­ing land prepa­ra­tion cost. It also has a dust avoid­ance mode and rain mode that min­imises soil­ing losses and en­ables self-clean­ing of the mod­ules dur­ing rains re­spec­tively. With back track­ing as an­other sig­nif­i­cant fea­ture, the tracker keeps in­ter-row shad­ing un­der check.

Di­rect nor­mal ir­ra­di­ance (DNI) and Dif­fused hor­i­zon­tal ir­ra­di­ance (DHI) be­ing two com­po­nents of sun­light, DNI of­fers the ma­jor­ity of en­ergy. To max­imise the col­lec­tion of Sun’s light, the sun rays have to be per­pen­dic­u­lar to PV mod­ules as long as pos­si­ble which is prac­ti­cally not pos­si­ble in case of tra­di­tional fixed tilt mount­ing sys­tems and this led to the in­ven­tion of sun track­ers. As we know that the rel­a­tive po­si­tion of sun changes daily from east to west, it is there­fore the an­gle of ro­ta­tion that mat­ters. The an­gle of ro­ta­tion varies from -60° to +60° (East-West di­rec­tion), but for trop­i­cal coun­tries like In­dia, a sin­gle axis move­ment of -45° to +45° (East-West di­rec­tion) is enough for ex­tract­ing the max­i­mum gain. The track­ing hap­pens as per the astro­nom­i­cal al­go­rithm en­crypted in the con­troller, defin­ing the rel­a­tive path of sun round the year even con­sid­er­ing all sea­sonal vari­a­tions. This process of fol­low­ing the tra­jec­tory of sun pro­vides with an elec­tric­ity gen­er­a­tion gain of around 18% to 25%, de­pend­ing on its lo­ca­tion.

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