ENERGY CONVERSION
ENERGY CONVERSION BOARD FOR LED AND INTELLIGENT USB IN TRAINS
The electronics used in on-board railway equipment must comply with specific standards and regulations.As a result, the power supplies used in rolling stock cannot be standard products.
This is why EFS offers energy conversion boards for LED lighting and dedicated USB sockets:
- Adaptation to railway operation
- Gestion de dimming intelligent
- Management of operating safety
IN THE BEGINNING
Our customer wanted to integrate energy conversion functions into its lighting system. To do so, he called on EFS.
PARTNERSHIP
Our customer wanted to integrate energy conversion functions into its lighting system. To do so, he called on EFS.
CERTIFICATION
in accordance with standard NF EN 50155.
DESIGN OF AN ENERGY CONVERSION BOARD IN ACCORDANCE WITH NF EN 50155 : 2007 STANDARD
Customer problem
A company in the Lyon region, specializing in light and sound signaling products for rail transport, asked us to design the electronics for their products in compliance with the regulatory requirements specific to electronic equipment used on rolling stock in accordance with standard NF EN 50155: 2007.
EFS response
We are producing two power conversion boards for LEDs and USBs:
- 5V DC power supply board.
The purpose of this card is to supply regulated 5V, from a 72V or 110V rail battery voltage source, to remote USB charging cards (communication by wired link from 30 cm to 3 m max). - Led driver.
EFS took part in the design and production of a current-regulated power supply for lighting based on LED technology and subject to railway constraints. It is used in the TGV ocean line for the following applications: step lighting, LED table lamps, stairway markers, horizontal lighting, etc.
Advantages of the solution
- Rail power supply for passenger USB connections
- Very low-cost secondary card in direct contact with the customer and very easy to replace.
SEE OUR BROCHURE
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