Power modules for BEV mining machinery

Mining companies are gradually adopting BEVs to replace diesel-powered machinery in surface and underground operations. Emission reductions, regulatory compliance, and cost considerations are all reasons for this shift.

Global Mining Review recently conducted a market analysis and found that electrification is becoming a key component of decarbonization strategies in mining, with 91% of surveyed companies considering it essential for sustainability plans.

Industry projections suggest steady growth for battery-electric mining vehicles, with an anticipated compounded annual growth rate (CAGR) of up to 32% for electric haul trucks, loaders, and light vehicles by 2044.

A mining machine charging station is a robust, high-power system designed to charge battery-electric vehicles (BEV) used in mining operations, using technologies like fast charging and battery swapping to support sustainable underground and open-pit mining practices. These stations feature durable, modular designs for flexibility, often integrating cooling units and using robust power converters and contactors to handle high currents safely and efficiently.

Key Features and Technologies

• Fast Charging: Stations provide dedicated infrastructure to deliver high-power direct current (DC) for rapid battery replenishment, enabling continuous operation of mining fleets.
• Battery Swapping: Some systems offer AutoSwap and AutoConnect features that allow for rapid battery exchange in minutes, minimizing downtime for the vehicle.
• Modular Design: Charging stations are often modular, consisting of charging and cooling units that are uniform in size, allowing for flexible and organized positioning in underground environments.
• Rugged Construction: The equipment is built to withstand harsh mining conditions, ensuring reliability and safety in tough operational environments.
• Cooling Systems: Cooling units are integrated into the charging stations to enhance battery safety during high-current charging processes.
• Power Electronics: Power converters are integral to the stations, converting AC power to high-power DC, while contactors manage high-current switching for safe and reliable power distribution.

Benefits:

✔ Maximizes Mining Uptime – Ensures miners operate 24/7 with stable power.

✔ Reduces Downtime – Quick-swap capabilities for faulty units.

✔ Improves Longevity – Proper voltage regulation prevents hardware damage.

✔ Cost-Effective – Bulk power distribution lowers electricity expenses.

Maxwell anticipated market trends, deployed in advance, and developed a series of module products suitable for mining machinery charging stations. MXR40050B is specially designed and has been applicable in Brazil market successfully, the main technical features are as following:

• Wide working temperature range: -40℃~+75℃
• Wide input voltage range: 260VAC~650VAC
• Wide output voltage range: 0VDC~400VDC
• Wide output current range: 0~200A
• Wide output constant power range: 250VDC~400VDC@50kW

We are proud to advance the development of electric vehicle charging infrastructure. Together, we are driving meaningful change – laying the foundation for a cleaner, more sustainable world for generations to come.