Energy and Power Management System (EPMS) in Hybrid Vessels

2 mins
May 24, 2024
In the quest for greener, more efficient maritime operations, the hybridization of vessels has increased rapidly over the last decade. These ships, which combine traditional fuel-powered engines with electric battery systems, offer a promising path toward reducing the maritime industry’s carbon footprint. Central to the operation of this technology is the Energy and Power Management System (EPMS), a sophisticated framework designed to optimize energy usage and manage power distribution effectively. An upgraded EPMS not only enhances operational efficiency but also brings substantial benefits to shipowners and operators.

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Key Aspects of EPMS in Hybrid Vessels

1. Integration of Multiple Energy Sources: EPMS plays a pivotal role in managing and integrating various power sources onboard, such as diesel engines, electric motors, batteries and even a hydrogen plant. It seamlessly orchestrates the switching between these sources based on operational demands, ensuring optimal energy utilization.

2. Enhanced Energy Efficiency: By intelligently managing energy sources, EPMS significantly improves the vessel's energy efficiency. This system determines the most effective energy mix, reducing reliance on fossil fuels and enhancing the use of clean energy.

3. Dynamic Load Management: EPMS dynamically adjusts to varying load demands, prioritizing power distribution to essential systems while maintaining overall stability and efficiency.

4. Emissions Control: With its capability to optimize the use of electric modes, particularly in sensitive environments such as near ports or in emission control areas, EPMS helps in substantially lowering the vessel's emissions.

5. Operational Flexibility and Safety: Modern EPMS enhances operational flexibility, allowing vessels to adapt quickly to different sailing conditions and regulatory requirements. It also incorporates safety protocols to manage and mitigate risks associated with power and energy systems.

Benefits of Upgrading EPMS for Hybrid Vessels

1. Operational and Fuel Efficiency: Upgrades to the EPMS can lead to more advanced algorithms that provide finer control over energy management, translating into better fuel economy and reduced operational costs.

2. Reduced Environmental Impact: By improving the efficiency and usage of electric power, an upgraded EPMS directly contributes to reducing emissions. This is crucial for compliance with global environmental standards and for operating in areas with strict emission regulations.

3. Increased Reliability and Reduced Maintenance Costs: Enhanced diagnostics and improved system designs in modern EPMS increase the reliability of power systems onboard. This reduces the frequency and cost of maintenance and minimizes downtime.

4. Compliance with Maritime Regulations: As maritime regulations evolve, an upgraded EPMS ensures compliance, thus avoiding fines and enabling operations in regulated waters without restrictions.

5. Enhanced Data Analytics: Upgrades typically include better sensors and data-processing capabilities, providing ship operators with valuable insights into energy consumption patterns, operational efficiency, and areas needing attention.

6. Future-proofing the Fleet: Technology in maritime operations is constantly advancing. Upgrading the EPMS ensures that vessels remain compatible with future innovations, such as potential integrations with renewable energy sources.

SEAM’s e-SEAMatic® EPMS

SEAM’s own EMPS solution, e-SEAMatic® EPMS, offers a wide range of control tasks and can be delivered as a stand-alone or fully integrated with their e-SEAMatic® IAS. The energy and power management system manages power sources such as conventional diesel engines, electric motors, batteries, hydrogen plant and the hybridization of these.

Investing in EMPS  

The strategic upgrade of an EPMS in hybrid vessels represents a smart investment into the future of maritime operations. Not only does it fortify the vessel’s operational capabilities, but it also aligns with global efforts towards sustainability. For shipowners, the benefits are clear: enhanced efficiency, compliance, and competitiveness in a rapidly evolving industry. As the maritime sector continues to navigate towards greener future, the role of an advanced EPMS in hybrid vessels will undoubtedly become more essential.

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