Rolling stock power supplies can be critical, especially in emergency related applications such as HVAC systems, where a ventilation circuit is needed for safety and passenger comfort reasons when a train loses its main power source (catenary or diesel motor) in the middle of the route. Read more
What type of waveform gives a better result when choosing a DC/AC inverter? Modified sinewave, SPWM, or pure sinusoidal output inverters are some of the different options available in the market. Learn about the differences and see abou the best for your application. Read more
At Premium, we develop and manufacture power supplies for all kinds of applications and every project is a challenge for us. Sending one of our products to the stratosphere at 32.000 meters and -57ºC confirms the high reliability of our energy conversion systems. Read more
Premium will be exhibiting at InnoTrans 2021, which will take place in Berlin from April 27th to April 30th. You will find us in Hall 17; Booth 120, where our sales and R&D teams will tell you about the newest power conversion solutions for the transport and railway market. Read more
Industrial robots are widely used in industrial automation environments and need to be powered by 3-phase 3x400Vac industrial voltage. This is not a problem when using devices in static locations, however, this changes when the customer decides to mount them on an AGV (Automatic Electric Vehicle designed to be used in smart industrial environments). Read more
Rolling stock railway systems are usually fed from secured battery voltage (typically: 24V, 36V, 72V or 110V) or from the AC voltage supplied by a high-power auxiliary converter. However, when it is time to refurbish an old train, many peculiarities can arise. Read more
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At Premium, we are specialists in designing and manufacturing power conversion systems for the industrial market. Our product range includes high reliability power supplies from 50W to 50kW.