Initial Problem

The new equipment boasts advanced algorithms that facilitate the monitoring and control of power supply assets in the transformation centers, all while ensuring strict compliance with the client’s cybersecurity requirements. This equips the network with greater adaptability to address any power supply issues that may arise.

One of the main challenges was the lack of an efficient inverter that could precisely control the speed of the motorized fans, avoiding current surges during startup and ensuring more stable operation.

Purchase Decision

The HVAC manufacturer chose the ODX-4500 from Premium PSU for its ability to:

• Control motors with pure sine wave output
• Compatibility with railway systems (EN50155, EN45545-2)
• Flexibility to adjust frequency and voltage via RS-232
• Integrated soft-start, protecting motorized fans and extending their lifespan

Additionally, the solution offered seamless integration with the HVAC electronics of the manufacturer, allowing system optimization without requiring modifications to the existing infrastructure.

Project Challenges

• Ensuring electrical and mechanical compatibility with existing HVAC systems.
• Configuring a customized soft-start to minimize current surges during startup.
• Coordinating with the manufacturer’s engineering team to adjust software and connections.
• Complying with strict railway regulations, such as EN50155 and EN45545-2.

Results

• Greater energy efficiency, reducing the HVAC system’s electrical consumption.
• Less wear and fewer failures in motorized fans, thanks to precise control of startup and speed.
• Reduced maintenance costs, optimizing system reliability.

Customer Feedback

The HVAC manufacturer highlighted the ease of integration of the ODX-4500, its ability to improve system efficiency, and the reduction of operational costs in the modernized trains. They also positively valued the remote control via RS-232 and the flexibility of inverter configuration.

Application Sector

Railway industry – Modernization of HVAC systems in long-distance trains, ensuring efficiency, reliability, and regulatory compliance.

Local Regulations

Railway industry – Modernization of HVAC systems in long-distance trains, ensuring efficiency, reliability, and regulatory compliance.

Differentiation

• Precise frequency and voltage control, configurable via RS-232.
• Integrated soft-start, avoiding current surges and protecting motors.
• High energy efficiency (92-93%), optimizing consumption compared to other solutions.
• Compliance with railway certifications, ensuring safety and reliability.
• Low harmonic distortion (<2% THD), improving power quality.

Thanks to the ODX-4500, the HVAC manufacturer was able to offer a more efficient, reliable railway solution aligned with European standards, ensuring a positive impact on both operations and the sustainability of modernized trains.

This article was originally published by Premium PSU.

Tags

source= https://railway-news.com/case-study-the-solution-for-hvac-modernisation-on-european-trains/