Dis­tri­bu­tion trans­former sub­sta­tions get new lease of life

Electrical Monitor - - CASE STUDY -

co­nomic growth of a coun­try greatly de­pends upon the power sec­tor. Power sec­tor is one of the most im­por­tant aspects in In­dian econ­omy, but is fac­ing some se­ri­ous prob­lems, such as old worn-out and poor dis­tri­bu­tion sys­tem, huge T&D losses and over­loaded dis­tri­bu­tion and trans­mis­sion lines. Out of the three sec­tors—gen­er­a­tion, trans­mis­sion and dis­tri­bu­tion—the dis­tri­bu­tion sys­tem, which is mostly un­der state elec­tric­ity boards, is con­sid­ered the most im­por­tant link be­tween the end users and util­ity providers, but also the weak­est link as there are many losses at this stage. Theft, pil­fer­age, net­work losses, lack of a vast dis­tri­bu­tion net­work, sub­si­dized and un­metered power, ill­main­tained dis­tri­bu­tion equip­ment— all add con­sid­er­ably to the ag­gre­gate tech­ni­cal and com­mer­cial losses

EBy Sub­hash Gupta & Ri­tika Sub­hash (AT&C), lead­ing to more units be­ing con­sumed than were be­ing billed.

Un­der­stand­ably, the fi­nan­cial con­di­tion of state elec­tric­ity boards had be­come a mat­ter of great con­cern where ag­gre­gate losses of coun­try had reached ₹ 26,000 crore in 2001. To counter this, the govern­ment of In­dia ini­ti­ated power sec­tor re­forms to im­prove the ef­fi­ciency of power sec­tor and took var­i­ous ini­tia­tives in this di­rec­tion; one of th­ese be­ing the in­tro­duc­tion of APDRP, R- APDRP. Ob­jec­tives of APDRP, R-APDRP are: Ren­o­va­tion and mod­ern­iza­tion of old ther­mal & hy­dro plants Up-gra­da­tion and strength­en­ing of sub-trans­mis­sion and dis­tri­bu­tion net­work To per­form the ref­or­ma­tion, the govern­ment of In­dia pro­vides fund in the form of grants and loans. Af­ter com­ple­tion of ref­or­ma­tion in a given pe­riod of time, the loan is con­verted into grant.

In 2013, the Cen­tre ap­proved power de­vel­op­ment schemes worth al­most Rs.1,500 crore for Haryana un­der its Re­struc­tured Ac­cel­er­ated Power De­vel­op­ment & Re­forms Pro­gramme (R-APDRP). This mega pro­ject is to be im­ple­mented in two parts and will im­pact 36 towns in Haryana. The fo­cus of Part A of the scheme is to pro­vide an IT base to elec­tri­cal dis­tri­bu­tion sys­tems while that of Part B is to ren­o­vate, mod­ern­ize and strengthen the 11kV power dis­tri­bu­tion sys­tems in all th­ese town­ships. This in­cludes ad­di­tion of trans­form­ers, feeder seg­re­ga­tion, load bal­anc­ing, in­stal­la­tion of ca­pac­i­tor banks etc.

Un­der the Part B of this pro­ject, Stan­dard Ca­pac­i­tors was awarded the or­der for sup­ply of 6 units of 11kV au­to­mat­i­cally- switched ca­pac­i­tor banks 3.6 MVAR for dis­tri­bu­tion util­i­ties UHBVN and DHBVN projects at Gur­gaon, Re­wari, Nar­naul and Sirsa. Au­to­mat­i­cally- switched ca­pac­i­tor

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