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INNOVATION JSW ENERGY BOLT | ISSUE 1W ENERGY BOLT | ISSUE 1
JS
What were the challenges encountered? overwhelmed by the results in the form of How was the problem solved? How the team felt on the problem being
savings and learning. resolved?
First challenge to proceed with the above In-House Generator Stator Chemical
modification was minimum support Any specific aspects which you may like Cleaning by introducing Nitrogen (N2) The entire team had felt extremely happy
available from OEMs. All the activities to mention? bubbling arrangement in SCW tank to as the problem was solved in-house
planned and executed by in-house team reduce Dissolved Oxygen in stator water. without disturbed the stator coil system.
ESP and Ash handling plants are common
comprising of personnel from different This Chemical cleaning was process was Management had given positive response
in most of the JSW establishments, as the
departments. including selection of cleaning chemical, & supported in all aspects to achieve the
loop holes were identified, solutions were
circulation pump, corrosion inhibitors, results.
Impact of solution to the business? ideated with the help of domain expertise.
online monitoring of chemical & process
Implemented various methodologies to Any specific aspects which you may like
a. Savings in Hopper heater Power parameters, balancing of N2 pressure &
overcome the problems and hence can to mention?
consumption is 61 KWH resulted in DO in stator water system. In this process
be institutionalized.
INR18.27 Lacs/Annum. injection of chemical solution was Management supported well and they
continuously done for nearly 72 hrs. at believed in our team to carry out such a
b. Savings in AHP Power consumption is
Team Members inlet of stator coil, in parallel with removal critical activity without. After seeing the
28 KWH resulted in INR 8.38 Lacs/ Annum.
Abhishek Nayak of contaminants (copper oxides) at outlet results, the same activity was repeated in
c. Savings in ESP field power by using Mixed Bed (MB) in SCW system. Jaigarh plant also.
Rajendran S
consumption is 250 KWH/Unit resulted in High pure Nitrogen (N2) was used for
Meenakshi Sharma
INR 70.73 Lacs / Annum/Unit. blanketing to reduce the DO in stator Team Members
Madhukar D
Total Savings INR 389.32 Lacs / Annum for Bheemesh D water system. The overall activity was Shashi Bhushana B
carried out in coordination with
4X300 MW Units was achieved. Srinivas Amjuri
Chemistry, Operation and Maintenance Chetan Kumar SV
Savings achieved with zero investment in Innovative Idea : dept. Total Cost incurred for the said
AHP and ESP fields and with a small Generator Stator activity was Rs. 5000/-.
expenditure of INR 3 lakhs for hopper Chemical
heaters sensors Cleaning-300 Mw Impact of solution to the
business?
How the team felt on the problem being How and Why was the problem
resolved? This had saved cost of generator
identified?
stator coils and cost of cleaning
Since the project taken up was a process Increasing trend in 300 MW Generator by OEM is around Rupees 120
improvement and energy saving task, stator coil differential pressure indicating Lacs/Unit. And Generator
team comprising of the flow restrictions within the stator performance was improvement a
Mr. Abhishek Nayak, cooling water channels. Observed there lot. Generator stator DP reduced
Mr. Rajendran, was continuous increasing trend in Stator from 0.23 to 0.15 Mpa, stator
Ms. Meenakshi Sharma, coil dP from 0.15 to 0.23 Mpa and water flow improved from 46 to 55
Mr. Madhukar and reduction in stator water flow from TPH.
Mr. Govindaraju a totally cross functional 55 to 46 TPH.
team from different disciplines was
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