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3. STUDY AREA

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Kolar district is located in the southern plains of Karnataka State , India . It lies between 77 0 21' to 78 0 35' east longitude and 12 0 46' to 13 0 58' north latitude and extends over an area of 8,225 sq. km. According to 2001 Census, the population was 25.23 lakh. For administrative purposes, the district has been divided into 11 taluks. There are 15 towns and 3,325 inhabited villages in the district. Kolar belongs to the semi-arid zone of Karnataka. Figure 1 shows the study area. Kolar district is divided in to three administrative divisions namely Kolar, Chikballapur and Kolar Gold Field (K.G.F) for managing transmission and distribution of electricity in the district. Each division distributes electricity to taluks.  

Kolar division: Kolar division consists of 14 substations (one 220 kV substation, eight 66 kV substation and five 33 kV substations). Transformer capacity in Kolar division is 400.40 MVA. Kolar division has two 220 kV power transformers having aggregate capacity of 200MVA and seventeen 66 kV power transformers having aggregate capacity of 162.4MVA and nine 33 kV transformers having 38.0 MVA capacity. It has 1515 km High Tension Distribution Line (HTDL) and 4244 km Low Tension Distribution Line (LTDL). Chikballapur division: Chikballapur division consists of 13 substations (one 220 kV substation, twelve 66 kV substation). Chikballapur division transformer capacity is 281 MVA. This division has two 220 kV power transformers having aggregate capacity of 100MVA and twenty-one 66 kV power transformers having aggregate capacity of 171 MVA and two 33 kV transformers having 10 MVA capacity. It has 3716 km HTDL and 13937 km LTDL. K.G.F division: K.G.F division consists of nine 66 kV substations. The transformer capacity in K.G.F division is 157.60 MVA. This division has twenty-five 66 kV power transformers having aggregate capacity of 157.6 MVA. It has 2076 km HTDL and 7410 km LTDL.

Figure 1. Study Area

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