Mitsubishi Bags 1st Order for Station Energy Saving Inverter from Railway Company Outside Japan

Mitsubishi Electric (Hong Kong) Ltd, an arm of Japanese electronics giant Mitsubishi Electric Corporation, has secured an order from MTR Corporation Ltd. (MTR) in Hong Kong for 3 Station Energy Saving Inverter (S-EIV®) systems.

October 05, 2020. By Manu Tayal

Mitsubishi Electric (Hong Kong) Ltd, an arm of Japanese electronics giant Mitsubishi Electric Corporation, has secured an order from MTR Corporation Ltd. (MTR) in Hong Kong for 3 Station Energy Saving Inverter (S-EIV®) systems.

The S-EIV® systems enable surplus regenerative energy that is produced when trains brake, to be converted into low-voltage AC electricity to power station facilities such as lighting, air-conditioning, escalators and lifts.

This is the first S-EIV® order that Mitsubishi Electric has now received from a railway company outside Japan, and the company is looking forward to helping MTR upgrade its energy-saving operations.

Further, these 3 S-EIV® systems will be used in Lai King Traction Substation at Airport Express and Tung Chung Line and in HKU Station at Island Line.

Also, the installation is scheduled for completion in July 2021. MTR, which is headquartered in Kowloon Bay, selected Mitsubishi Electric's S-EIV® for its small physical profile as well as its contribution to energy savings.

However, Mitsubishi Electric trialed its first-generation S-EIV® for MTR in 2016. The system has been shown to capture an average of 560 kilowatt hour of regenerative energy per day, which is roughly equal to the power consumption of 61 typical 3-member households in Hong Kong.

As per the document by Legislative Council of The Hong Kong Special Administrative Region, each Hong Kong typical 3-member household consumes 275 kilowatt hour per month (9.17 kilowatt hour per day).

Furthermore, recent improvements in train performance include the increasing generation of regenerative energy produced when trains brake, so railway companies are exploring ways to use this surplus energy effectively.

As the company’s S-EIV® enables the energy to be used in powering station facilities, it is viewed as a promising solution for new energy savings.

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