Energy Storage System

Containerized Energy Storage and Conversion Systems for Rail and Industrial Applications

As railway and industrial operations continue to demand cleaner, more flexible energy solutions, the role of containerized energy systems has become increasingly vital. These systems combine battery energy storage with configurable power conversion, housed in a mobile and modular container. The result is a self-contained unit capable of supporting maintenance, testing, or backup operations wherever power is needed.

ADOR’s containerized energy storage and conversion system provides a fully integrated platform that meets these demands. Designed for use in depots, yards, and off-grid installations, it supports a wide range of use cases including equipment testing, grid buffering, and mobile power delivery.

This article explores the applications, design features, and functional benefits of this modular solution, and explains why it is becoming a key asset for rail and infrastructure operators.

What Is a Containerized Energy Storage System?

A containerized energy storage system is a transportable solution that integrates energy storage (typically lithium-based batteries) with static conversion equipment inside a standard-sized container. Unlike fixed installations, this system offers flexibility in deployment, allowing operators to bring energy to the point of need—whether on-site, in remote locations, or across multiple facilities.

It functions as both a power source and a converter. The battery storage bank supplies the energy, while the integrated converters adjust voltage and current levels to suit the target application. The system can be connected to the grid or operate in island mode as a standalone power supply.

ADOR’s unit combines energy storage and conversion modules within a modular enclosure, supported by dedicated control systems, safety mechanisms, and thermal management.

Why Use a Modular Energy Conversion Container?

Unlike traditional power supplies, a modular energy conversion container is designed for rapid deployment and flexible operation. This is particularly useful in scenarios where infrastructure is limited, or where electrical demands vary by project.

For railway depots, the system allows components to be tested or maintained without connecting to high-voltage fixed infrastructure. In industrial settings, it can provide backup power during outages or serve as a mobile energy source during site commissioning.

Its structure also enhances safety. Dedicated compartments for power electronics, batteries, and controls reduce the risk of electrical fault propagation. Built-in air conditioning maintains thermal stability, while control panels support real-time monitoring and remote diagnostics.

Key Features and Capabilities

ADOR’s containerized system includes:

• A voltage cell housing the converters
• A power cell for managing energy flow
• A control panel with HMI and safety logic
• An integrated transformer and rectifier
• Air conditioning and venting for heat management

The system can deliver up to 500 kW depending on the configuration, and supports both AC and DC output. It is compatible with multiple voltage profiles, making it suitable for testing subsystems such as traction inverters, compressors, HVAC units, and lighting circuits.

Because it is self-contained, the system can be transported by truck or rail to different locations. This is useful for contractors, mobile maintenance teams, or multi-site operations looking to consolidate energy infrastructure.

Applications in Rail and Industry

This transportable power supply unit is ideal for:

• Rolling stock maintenance depots
• Test benches requiring isolated power
• Mobile workshops and on-site diagnostics
• Grid-interactive backup systems
• Charging infrastructure support

Its modular nature allows for customized configurations depending on the energy demand and operational requirements. It can operate autonomously, be grid-connected, or integrate with renewable energy sources in hybrid power applications.

Advantages of Containerized Systems

Using an integrated power and storage container offers several operational and strategic benefits. First, it simplifies logistics. All power conversion, energy storage, and control are housed in one enclosure, eliminating the need for on-site construction or assembly.

Second, it enhances operational readiness. Because the system is preconfigured and tested before delivery, it can be deployed quickly with minimal commissioning time. This reduces project delays and labor costs.

Third, it offers high flexibility. Whether used for planned testing or emergency support, the system can be moved and reused as needed, providing better ROI over time compared to fixed installations.

Finally, it supports environmental and safety standards. Enclosure ventilation, fault isolation, and active cooling systems reduce the risk of overheating, battery degradation, or electrical hazard.