Discover the innovations of maritime electrification
The world’s leading exhibition and conference for maritime electrification, decarbonization and GHG reduction solutions. The Electric & Hybrid Marine Expo 2025 will showcase new electric and hybrid marine transportation and propulsion solutions, shore charging equipment and efficient emerging technologies to help you on your path to zero-emission shipping and net zero.
Taking place alongside the exhibition is the Electric & Hybrid Marine Expo Europe Conference, the only international conference dedicated to the electrification and hybridization of marine vessels, along with the associated supporting infrastructure for ports, charging, fueling and energy supply.
Welcome to the future of maritime excellence!
Our contribution at the Electric & Hybrid Marine Expo 2025
We will present our Maritime DC Solutions. Discover our range of innovative power electronics components, solutions and power stacks that enable safe and SMART DC systems.
Range of blocking diodes for shore powered vessels
A blocking diode functions to allow current flow from the inverter system to the battery while preventing reverse current flow to the inverter system, thereby protecting the battery from unintended discharge. Additionally, blocking diodes are crucial for safety, as they help prevent hazardous situations such as arc flashing.
In marine operations, particularly during the onshore charging phase, we encounter several challenges. For instance, at shore-based charging stations, power is supplied through a pantograph which connects electrically to the vessel. On the vessel side, this power is distributed to the switchboards. Here, our blocking diodes play a key role in preventing short circuit currents from feeding back from the ship’s electrical system to the shore supply.
Once charging starts, the advanced continuous diode monitoring board developed by Astrol Electronics will detect the diode’s blocking capability. If the diode is not blocking as intended, the system will alert the customer, allowing them to initiate a stop-charge command and disconnection, thereby safeguarding the entire charging system.
Diode assembly for cathodic protection
A diode assembly for cathodic protection of vessels is a component used in the corrosion protection system for ships, oil rigs, pipelines, and other submerged metal structures. A diode is an electronic component that conducts current primarily in one direction. In this application, it’s used to ensure electrical current flows in a controlled manner. Cathodic Protection is an electrochemical method to control the corrosion of a metal surface by making it the cathode of an electrochemical cell.
In systems where both sacrificial anodes and impressed current might be used, or in cases where multiple structures are connected, diodes ensure that the protective current does not flow back into the power source or into another part of the system where it’s not needed. This prevents damage or inefficiencies in the protective system.
The diode assembly can isolate different parts of the structure or different cathodic protection systems from one another, ensuring that each section is protected optimally without interference.
By controlling the flow of electricity, the diode assembly helps in maintaining the integrity of the cathodic protection system, thereby extending the life of the vessel or structure it protects.
In maritime environments, where vessels are exposed to seawater, which is highly corrosive, these assemblies are crucial. They are often installed in strategic locations around the hull or other submerged parts to ensure even distribution of the protective current. They are also used in scenarios where you might have different materials or different sections of a vessel that need specific protection levels, ensuring tailored corrosion control.
Platform B solid-state DC breaker
This is the ‘Platform B’ of our solid-state DC breaker system. Each Platform B module has a capacity of 3 MW. It features a modular design tailored specifically for marine and naval applications. It supports up to 6 kA and is rated at 1.5 kV.
Our solid-state DC breaker, Platform B, is designed for marine and naval use, with a modular design that offers front access and a 19-inch configuration for straightforward maintenance and customization. It can manage nominal currents up to 6 kA and includes readiness for spinning reserve mode, ensuring compliance with DP3 standards as per DNV-RP-0591.
Our approach focuses on customer needs, offering customizable designs such as horizontal layouts and compliance with military standards for ruggedized and shock-proof performance.
Upgrade your onboard DC systems with cutting-edge technology for enhanced efficiency and reliability.
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