Achievements of Electrical Department: -
Passenger amenity: -
i. Thirty nine (39) nos of Escalators have been installed including new as well as replacement in the last year two year (2020-2021) & (2021-2022) at different stations of Metro Railway.
ii.10 no old Escalators are being replaced with energy efficient escalators of international standard..
Ii2 nos lifts have been provided at MUK station for passenger, which are commissioned on 02.10.2021.
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iii. Old Air Conditioning plants have been replaced at three (3) Metro stations (Kalighat, Rabindra Sarobar and Chandni Chawak)
iv. Provision of Cold Purified drinking water booths have been provided at all Metro stations.
Environment Management/Energy Efficiency Measures: -
Various Energy efficiency measures are being taken in Metro Railway Kolkata to reduce consumption of conventional energy which in turn contributes in improving our environment as well as helps us to reduce expenditure in electricity bills such as: -
I. Provision of VVVF Drives: -
This initiative has resulted in significant Total 104 large capacity (ranging from 55 to 110 kW) ventilation fan motors are installed in Metro Railway Kolkata for ventilation of 15.67 Km long tunnel section. To improve energy efficiency of these motors, it has been planned to replace the conventional starters with VVVF drives which will provide facility of controlling motor speed as per requirement.
37 nos of VVVF drive have been provided in the year 2021-22. Total 48 nos. VVVF Drives are already provided for ventilation fan. It has also been planned to provide 56 nos. more VVVF drive within next few month.
These 48 VVVF drives will have the savings of 780 thousand kWh energy and Rs. 5538000/- per year (approx.).
ii. Provision of LED T8/T5 LED Tube lights: -
Approximately 26000 T8 existing Tube lights(36Watts) have already been replaced by T8/T5 LED Tube lights (19/15 Watts). This initiative has resulted in savings of 30.71 lakh kWh energy and 214.97 lakh Rupees(approx.) per year for 26000 LED tube lights.
iii. Development, production and use of alternative sources of Energy: -
Metro Railway, Kolkata has enhanced the capacity of Solar Generation by installing rooftop solar plant at MUK/TSS building (capacity 400kWp), KVS/TSS building (50kWp), NOA/RSS building(50kWp) and TSM Hospital building(13.5kWp) in the year 2016 and 2017up to 543.5 kWp. On date 27/08/2021, 1.24 MWP of Solar Power (Roof top) has been commissioned at Central Park Depot of East-West Corridor of Metro Railway, Kolkata.
These plants have generated 856556 kWh energy on average during 2020-21 and 2021-22 resulted in savings of Rs. 6081547/-
One 300 litres/day capacity Solar Water Heater has already been commissioned at Noapara Canteen in the year 2014-15 and one 1000 litres/day capacity Solar Water Heater has been commissioned at Tapan Sinha Memorial Hospital in the year 2016-17.
