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A number of hightension industrial electricity consumers such as Federal Mogul, Manyata Tech Park and the Wheel & Axle Plant in Bengaluru North can heave a sigh of relief as they are now set to get quality supply of electricity round the clock with KPTCL, the transmission utility, stepping up its transmission infrastructure.
What was thought near impossible in the past in view of the congestion all around, the utility has built modern 220-66 kV multi-circuitmulti-voltage (MCMV) line using the existing crippled corridor by temporarily using the Swedish echnology of covered conductors.
The Swedish technology helped the utility to ensure power supply even as it undertook a major transmission network overhaul in the Yelahanka region off the interna ional airport road. With the project successfully completed, the narrow corridor that was transporting 70 MW of power -far below the demand from consumers -can now carry a peak load of 240 MW . Earlier, he utility had to supply power from ar-flung stations incurring huge supply losses and costs.
The commissioning of the new transmission infrastructure has brought to life the 220 Kv Yelahanka power station, which was ready mid 2012, but could not be used as it was not getting input power for want of a source line. This station will now supply power to a number of highprofile consumers such as Manyata Tech Park, Grindwell Norton and Bell Ceramics which were earlier getting their supplies from Hoskote, and Federal Mogul, which was receiving its power from the Peenya station. The station will power supply to Sahakaranagar as well.
"The shifting of the source of supply to Yelahanka from Peenya, Hoskote and Doddaballapur substations has reduced energy loss by about 31 million units (MUs) a year.This means the shifting alone has resulted in a saving of `16.41 crore (at `5.35 per unit) a year to Bescom (the city's distribution utility)" said KPTCL director (transmission) S Sumanth who oversaw the project implementation.
According to him, consumers would have suffered frequent power shutdowns and Bescom would have lost about `45 crore in reve nues if it had closed the eight-km corridor in Yelahanka to build the additional 220 kv and 66 kv MCMV line. But the temporary use of covered conductor technology helped them overcome this problem. (A covered conductor is a 52-kV grade 99 square mili-metre insulated conductor.
This conductor can be drawn on 11-metre poles unlike the conventional conductor which is run on transmission towers.) "For the first time in India, we have raised the bar and used covered conductors for 66 kV class.Others had stopped at 33 kV while we have taken it forward," said Sumanth. "In future too, we will use this Swedish technology wherever we will have right of way issues," he added.
Energy minister DK Shivakumar and KPTCL managing director Jawaid Akhtar launched the Yelahanka station on Saturday and have asked the KPTCL technical team to go for the Swedish technology wherever the utility faces right of way issues.
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