Wednesday, February 1, 2023

Power Converter For Railway Application

By Sharad Bhowmick

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The ERM100 and 150 provide a robust, high-efficiency solution for design engineers, giving them dependable power in a fully integrated module.

The ERM100 and ERM150 series are compact quarter-brick, fully encapsulated 100 W and 150 W DC/DC modules optimized for rail and mass transportation applications. The ERM100 and ERM150 quarter brick modules comply with multiple industry standards and provide reliable, high-efficiency solutions for rail system designers. Both converters have a European Railway Standard EN50155 compliant input voltage range of 36 to 160 Vdc.

The modules have an efficiency of up to 91.5% and operate with a fixed switching frequency and deliver a single, continuous power output. The ERM100 and ERM150 have no minimum load requirement and exhibit low ripple and noise characteristics. A baseplate that is optimized for contact cooling simplifies thermal management, while a heatsink version is available for designs requiring more stringent heat management.

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“Railway and other mass transportation applications present requirements in both rolling stock and infrastructure that are often compounded by continuous use over extended time periods,” said Joe Voyles, vice president of marketing, industrial power conversion products at Advanced Energy.  “The ERM100 and 150 provide a robust, high efficiency solution for design engineers working in this sector, giving them dependable power in a fully integrated module.”

Both modules offer reinforced insulation and high EMC immunity, the ERM100 and ERM150 address the challenging electrical and physical operating environment in railway applications. In addition to using only UL94 V-0 rated flame retardant materials for their packaging, the converters are EN 61373-rated for vibration and thermal shock. A baseplate that is optimized for contact cooling simplifies thermal management, while a heatsink version is available for designs requiring more stringent heat management.

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