The transition from diesel to electric equipment is a major step that more and more companies are considering. Whether it concerns construction machinery, rail vehicles, or industrial equipment, the conversion to electric drive brings both opportunities and challenges. One of the most frequently asked questions is how much time such an electrification process takes.
The conversion time varies significantly depending on the type of equipment, the complexity of the project, and the desired specifications. For companies considering this step, it is crucial to have a realistic timeline so that planning and operations can be properly aligned with this transformation process.
What exactly does the conversion of diesel rolling stock to electric entail?
The conversion of diesel equipment to electric entails replacing the diesel engine and related components with an electric drive system, consisting of electric motors, battery packs, charging infrastructure, and associated control systems. This process requires a thorough redesign of the machine structure and energy management.
The conversion process begins with a comprehensive analysis of the existing equipment. We assess the current configuration, the power profile, and the operational requirements. Subsequently, the diesel engine, fuel tank, and exhaust system are removed to make room for electrical components.
The new electric configuration comprises several critical components. The battery system forms the heart of the conversion and must be carefully sized to the correct capacity and power. In addition, electric motors are installed that are often more compact than diesel engines but have different mounting requirements.
The control system plays an essential role in the electric conversion. It regulates not only motor control but also energy management, regenerative braking, and safety functions. Integration with existing hydraulic and pneumatic systems often requires custom solutions.
How long does the design process for an electric conversion take?
The design process for an electrical conversion takes an average of 6 to 12 weeks, depending on the complexity of the equipment and the specificity of the requirements. This phase includes technical analysis, system design, and engineering of all electrical components.
In the first few weeks, we focus on the feasibility study and requirements analysis. This involves mapping out current energy consumption, operational cycles, and available space for battery systems. The desired performance and operational requirements are also determined.
The actual design of the battery system and electrical architecture typically takes 3 to 6 weeks. During this process, aspects such as thermal management, safety systems, and charging strategies are developed. For heavy equipment Additional design iterations are often required due to the extreme operational conditions.
The final phase of the design process involves the validation and optimization of the design. Simulations and calculations are performed to predict performance and identify potential bottlenecks. The production and installation strategy is also developed during this phase.
Which factors determine the conversion time from diesel to electric?
The conversion time is primarily determined by the complexity of the equipment, the desired battery capacity, the available installation space, and the degree of customization required for integration with existing systems. Standard machines can be converted faster than highly specialized equipment.
The available installation space is often a critical factor. Machines with sufficient space where the diesel engine was located can be converted relatively easily. However, when battery systems need to be placed in other locations, more structural modification is required, which extends the conversion time.
The required power output and operational requirements also play an important role. Machines that must continuously deliver high power require more complex battery and cooling systems. This applies especially to equipment that must function under extreme conditions, such as at temperatures up to 50 °C.
The degree of integration with existing systems also affects the lead time. Some machines have extensive hydraulic or pneumatic systems that need to be adapted for electric drive. The desired connectivity and monitoring functionalities can also increase complexity.
What is the difference in changeover time between different types of rolling stock?
Compact construction machines and smaller industrial equipment can be converted within 3 to 4 months, while large mining machines, rail vehicles, and complex industrial installations may take 6 to 12 months due to their size and technical complexity.
Mobile construction machines such as mini excavators and compact wheel loaders are among the fastest categories to convert. These machines often have standard configurations and relatively simple operational profiles. The battery systems can usually be installed in the existing engine compartment.
Medium to large construction machines require more time due to their higher power requirements and more complex hydraulic systems. Excavators and bulldozers often have variable load profiles that require advanced energy management systems. The changeover time for these is between 4 and 8 months.
Rail vehicles and maritime applications constitute the most complex category. These machines must comply with strict safety standards and often have redundant systems. Moreover, the operational requirements are highly specific, making custom battery systems necessary. The conversion here can take 8 to 12 months.
How long does the production and installation of battery systems take?
The production of custom battery systems typically takes 8 to 12 weeks after final approval of the design, followed by 1 to 3 weeks for installation and integration, depending on the complexity of the system and the accessibility of the equipment.
The production phase begins with the procurement and quality control of battery cells and electronic components. For high-performance applications, we select only battery cells that meet our strict quality requirements. This selection and qualification can take several weeks.
The battery pack assembly process requires precision and attention to safety. Each cell is individually tested before being assembled into modules. The Battery Management System is integrated and extensively tested under various conditions. For complex systems with liquid cooling, this process takes longer.
The installation phase depends heavily on the accessibility of the equipment to be converted. Machines that are easy to dismantle can be converted within a few days. More complex installations requiring structural modifications can take up to three weeks. Commissioning and initial testing are also part of this phase.
Which test phases are required and how much time do they take?
The testing process comprises three main phases: laboratory tests (1-2 weeks), stationary tests on the equipment (1 week), and operational field tests (2-4 weeks), for a total testing period of 4 to 7 weeks to ensure safety and performance.
Laboratory tests are performed on the battery system before it is installed. These tests include capacity measurements, safety tests, and thermal cycle tests. We simulate various operational scenarios to ensure that the system meets all specifications.
Stationary tests take place after the battery system has been installed, but before the equipment is deployed operationally. During these tests, all systems are checked, calibrations are performed, and safety procedures are tested. This phase is crucial for identifying problems before the equipment is put into service.
The operational field tests constitute the final and most critical testing phase. The equipment is tested under real working conditions to validate performance, reliability, and safety. These tests can vary from a few weeks for simple applications to several months for critical industrial applications.
The success of an electrification project depends on careful planning and realistic time estimates. Every project is unique and requires a tailored approach. For companies considering converting their diesel equipment to electric, it is important to consult with specialists early on to establish a clear timeline and project plan. Would you like to know more about the possibilities for your specific situation? Then please contact us. contact Contact us for a no-obligation consultation about your electrification project.
