Case studies by industry

At Premium PSU we have worked with projects from different types of sectors or industries. We highlight four main areas: Transport and Rail, High Tech, Energy and Extreme Environments.

What is EN50155 for railway applications?
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What is EN50155 for railway applications?

This article intends to resume the most important requirements that apply for power supply devices when considered as a component in railway  applications. Although there are several standards to take into consideration when installing electronic…
cbs10k-hybrid trains
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Hybrid trains: A must-have converter to start up the diesel generator

In this new article, we want to introduce how our newest DC/DC converter CBS-10K works with a “Start-up diesel engine” application in the hybrid trains.  The CBS-10K has been designed under rolling stock standards and is the perfect complement…
DC/DC converter and battery starter
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CVS-280: DC/DC low battery voltage starter

What are the key features and railway applications of the new CVS-280 DC/DC low battery voltage starter? This series is designed to operate directly from the 750V DC catenary line and can provide DC outputs from 24V to 110V at 280 Watts continuous…
redundancy in DC/AC Inverters
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ACB-3000: Providing AC Redundancy in DC/AC Inverters

What is redundancy in electrical systems? The concept of redundancy is simple: having a repeated system so, in case of a single failure, there is always an alternative. AC redundancy usually refers to all extra-high voltage lines available…
medium voltage substations
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A safe line DC for medium-voltage substations

Medium voltage installations are a critical part of the electrical distribution system and having reliable protection is vital, as is communications. At Premium PSU we have faced the challenge of providing a safe DC line to the protections and…
power supplies railway performance
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Boosting Railway performance

Railway transportation is one of the fastest and less polluting forms of transport in the world. Within the EU, it is responsible for less than 0.5% of transport-related greenhouse gas emissions. In this process, power electronic companies have…
power electronics for aeronautics
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Design variation to provide energy in aeronautics

In aeronautics, it is essential to provide energy solutions that combine power and lightness in order to ensure the correct and constant power supply to all the electronic components of the system. At Premium PSU we don’t settle for approximate…
micro-mobility converter DC/DC
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A versatile DC/DC converter for more efficient micro-mobility

At Premium PSU, we have recently helped to promote an innovative micro-mobility project to charge electric bicycles. Do you want to know how? Promoting sustainable mobility is a priority and a challenge for the smart cities of tomorrow.  To…
autonomous robot
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How powering an autonomous robot?

Making devices more autonomous is becoming a key factor in making technology smarter, and this is what Les Companions do with their autonomous robot, an innovative assistant for painters that not only paints but also sands and assists professionals…

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