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Relec Electronics offers years of experience with inverters from Premium

29 May 2018

For over 37 years Premium, S.A. located in Barcelona, Spain has been designing and producing power conversion systems for segments of the market that require high quality, high reliability, rugged, and durable products.

Premium’s range of DC AC inverters is wide. They are suitable for many electrical and electronic systems for on-board transportation, communication and industrial applications. Premium’s inverters cover a power range from 260 to 4500VA and are available with DC inputs covering 12/24/36/48/72 & 110V DC. 

The research and design facility at Premium’s headquarters implements extensive controls from design concept through prototyping and production. These ensure the highest quality and performance not just in development but also throughout the product’s expected service life.

All products go through accelerated life testing under full load and extended temperature conditions, which helps to identify any component weakness from an early stage. Test facilities include:

Climatic Testing - Performed in an environmental test chamber from -40ºC to +100ºC. Measurements are made and recorded on key components, both at static temperatures and also with sharp ramps in the thermal profile.

EMC Testing - Conducted in house from an early point in the design phase. Emission and Immunity tests are performed in a well-equipped test chamber including the ability to perform electromagnetic field tests up to 20V/m and 1GHz.

Electrical and Fire safety – All products have been designed in accordance with EN60950 with a planned migration to EN62368. Products are also tested EN45545-2 for fire safety and more generally to the requirements of EN50155 for the railway industry. This is an integral part of the design phase with regular design reviews to ensure compliance at all stages.

Premium’s most recent additions include the ODS (single phase output) & ODX series (three phase output) inverters which have been designed for motor control applications, and include the following features: 

• RS-232 port: Used to configure and control the unit
• Phase inversion: Used to define the motor rotation direction
• Programmable output voltage and frequency
• Programmable soft start (Control of Voltage and frequency)
• Choice of different input voltages
• Isolated alarms

These features make the ODS / ODX series the perfect choice for high reliability train-borne systems like emergency HVAC but equally in applications like AC at seat power.

Premium’s range of inverters provides a high quality/price solution whilst maintaining reliability and robustness at the highest level.


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