What is the new Battery Energy Storage System on Kolkata Metro's Blue Line?

The new Battery Energy Storage System (BESS) on Kolkata Metro's Blue Line is a 4 MW system with a 6.4 MWh Lithium Iron Phosphate battery designed to provide backup power during grid failures and enhance energy efficiency.

How does the BESS improve passenger safety in Kolkata Metro?

The BESS ensures passenger safety by providing stored power to move stranded metro rakes to the nearest station during grid failures and by keeping ventilation and environmental control systems active.

What are the benefits of the new BESS for Kolkata Metro?

The BESS offers benefits such as ensuring passenger safety during power outages, efficiently handling demand spikes, improving power factor to reduce energy bills, and reducing the metro's carbon footprint.

Home / Technology / Kolkata Metro adds battery power for safety

Kolkata Metro adds battery power for safety

26 Feb

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Summary

Kolkata Metro's Blue Line now uses a Battery Energy Storage System.
The 4 MW BESS uses a 6.4 MWh Lithium Iron Phosphate battery.
It ensures passenger safety and handles power demand spikes.

Kolkata Metro adds battery power for safety

Kolkata Metro Railway has implemented a groundbreaking Battery Energy Storage System (BESS) along the underground stretch of its Blue Line, a significant first for Indian Railways. This advanced system is designed to bolster energy efficiency and bolster passenger safety during unexpected power outages.

The 4 MW BESS utilizes a 6.4 MWh Lithium Iron Phosphate battery. If a grid failure occurs, this system can provide stored power to haul metro rakes to the nearest station at a speed of 55 km/hr. Furthermore, it ensures continuous operation of tunnel ventilation and environmental control systems at underground stations.

This innovative BESS is also set to improve the power factor, leading to reduced energy bills and efficient handling of sudden power demand surges. With a lifespan of approximately 14 years and a compact design, the system, which is equipped with green batteries, signifies a step towards a reduced carbon footprint compared to conventional generators.

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