Main Propulsion
Our PM motor as the main drive of a ship offers numerous advantages.
Thruster
L-drive for propulsion of a ship’s thruster, makes it an excellent choice for maritime applications.
Generator
A variable-speed PM generator is an attractive choice for various applications.
Other
Numerous custom solutions specifically tailored to the requirements of the maritime industry.
Our permanent magnet motor (PM motor) as the main drive of a ship offers numerous advantages, making it an attractive choice for maritime applications.
Here are the key benefits:
High Efficiency
- Reduced Losses: PM motors don´t require energy for magnetic field excitation, leading to lower electrical losses and higher efficiency.
- Better Fuel Consumption: the high efficiency of our PM motors reduces fuel consumption, leading to cost savings and lower operating costs.
Compact Design
- Space Saving: with their high power density, RAMME PM motors are designed to be more compact and lightweight, saving valuable space in the engine room.
- Weight Reduction: the lighter design contributes to the overall weight reduction of the ship, improving efficiency and manoeuvrability.
High Reliability and Durability
- Few wearing parts: PM motors don´t have brushes or slip rings, reducing the number of wear parts and increasing reliability.
- Robust Construction: The robust design and use of high-quality materials contribute to longevity and resilience in tough maritime conditions.
Low Maintenance Requirements
- Maintenance-Friendly: the reduced number of moving parts and the absence of brushes significantly lower maintenance needs.
- Longer Maintenance Intervals: the reliability and robustness of our PM motors lead to longer maintenance intervals, reducing operating costs and increasing availability.
High Power Density
- More Power per Volume: RAMME PM motors offer higher power density, meaning they can deliver more power in a smaller space. This is particularly important for the main drive, where compact and powerful solutions are required.
High precision control
- Exact Speed and Torque Control: PM motors enable precise control of speed and torque, enhancing the manoeuvrability and control of the ship.
- Quick Response Times: the ability to quickly respond to control commands improves the efficiency and safety of manoeuvring, especially in ports or challenging navigation conditions.
Environmental Friendliness
- Reduced Emissions: The high efficiency and more efficient energy conversion of PM motors help reduce fuel consumption and CO2 emissions.
- Quiet operation: RAMME PM motors operate more quietly than many conventional motors, reducing noise levels both onboard and in the surrounding environment.
Reliable Performance at Low Speeds
- High Efficiency at Variable Speeds: RAMME PM motors offer high efficiency even at low speeds, which is particularly important for ships operating at slow speeds or while manoeuvring.
- Consistent Performance: the consistent performance over a wide speed range ensures reliable and efficient operation under various load conditions.
Multi Purpose Applications
- Wide Range of Applications: PM motors can be used in various types of ships and applications, from cargo ships and passenger vessels to offshore supply ships.
- Flexibility: they are flexible and can be used for both main propulsion and auxiliary drives.
In summary, the use of our permanent magnet motor as the main drive offers significant advantages in terms of efficiency, reliability, maintenance, and environmental friendliness. These benefits contribute to making ship operations more efficient, cost-effective, and eco-friendly.
Our permanent magnet electric motor (PM motor) as an L-drive for a ship’s thruster propulsion offers several advantages, making it an excellent choice for maritime applications.
With our standard product range, we can serve your demands between 350kW up to 4.500kW in all kinds of speed ranges needed for your L-drive application. Our motor fits onto the thrusters of all well-known thruster manufacturers.
Here are the key benefits:
High Efficiency
- Reduced Losses: PM motors have lower electrical losses as they don´t require energy for magnetic field excitation. This leads to better energy utilization and reduced fuel consumption.
- Consistent Performance: our PM motors provide high efficiency over a wide range of speeds, which is particularly beneficial under variable load conditions and different operating modes.
Compact Design
- Space Saving: with their high-power density, RAMME PM motors are designed to be more compact and lightweight, saving valuable space in the engine room.
- Weight Reduction: the lighter design contributes to the overall weight reduction of the ship, improving efficiency and manoeuvrability.
High Reliability and Durability
- Few wearing parts: PM motors don´t have brushes or slip rings, resulting in fewer parts that can wear out, thereby increasing reliability.
- Robust Construction: the solid design and use of high-quality materials contribute to longevity and resilience in tough maritime conditions.
Low Maintenance Requirements
- Maintenance-Friendly: the reduced number of moving parts and the absence of brushes significantly lower maintenance needs.
- Longer Maintenance Intervals: the reliability and robustness of our PM motors lead to longer maintenance intervals, reducing operating costs and increasing availability.
High Power Density
- More Power per Volume: RAMME PM motors offer higher power density, meaning they can deliver more power in a smaller space. This is particularly important for thruster propulsion, where compact and powerful solutions are required.
High Precision Control
- Exact Speed and Torque Control: PM motors enable precise control of speed and torque, enhancing the manoeuvrability and control of the ship.
- Quick Response Times: the ability to quickly respond to control commands improves the efficiency and safety of manoeuvring, especially in ports or challenging navigation conditions
Environmental Friendliness
- Reduced Emissions: the high efficiency and more efficient energy conversion of our PM motors help reduce fuel consumption and CO2 emissions.
- Quiet operation: RAMME PM motors operate more quietly than many conventional motors, reducing noise levels both onboard and in the surrounding environment.
Easy Integration and Flexibility
- Modular Design: the compact and modular design of our PM motors facilitates integration into existing ship systems.
- Multi Purpose Applications: PM motors can be used in various types of ships and applications, from small yachts to large cargo vessels.
Overall, using our permanent magnet electric motor as an L-drive in a thruster propulsion system offers significant advantages in terms of efficiency, reliability, maintenance, and environmental friendliness. These benefits contribute to making ship operations more efficient, cost-effective, and eco-friendly.
A variable-speed, permanent magnet-excited generator offers numerous advantages, making it an attractive choice for various applications.
Our products can be easily connected to most of the diesel manufacturers to obtain a powerful variable speed genset in the range of 350kw up to 3.000kW.
Special requirements such as SAE flange connections or wing mounted is available within our product portfolio.
Here are some of the key benefits
High Efficiency
- Lower Losses: RAMME permanent magnet generators (PMG) typically have lower electrical losses as they do not require energy for field excitation, unlike conventional generators that need a separate excitation circuit.
- Better Efficiency: by directly generating the magnetic field using permanent magnets, a high efficiency is achieved over a wide range of speeds.
Wide Speed Range
- Flexibility: Variable-Speed PMGs can operate efficiently at different speeds, which is particularly beneficial in applications with variable speeds such as marine propulsion systems.
- Adaptability: these generators can adjust to fluctuating load conditions and different operating modes without significantly compromising efficiency.
Compact Design
- Space-Saving: due to their high power density, these generators can be designed to be more compact and lighter, saving space and weight, which is especially important in mobile applications such as maritime.
- Easy Integration: the compact design facilitates integration into existing systems or installations.
Lower Maintenance Requirements
- No Brushes: PM generators don´t have brushes that can wear out, reducing maintenance needs.
- Durability: fewer moving parts and a more robust design lead to longer lifespan and higher reliability.
High Reliability
- Stable Performance: permanent magnets provide constant magnetization, ensuring stable and reliable performance.
- Robustness: the construction of these generators is resilient to mechanical stresses and environmental influences.
Faster Response Times
- Dynamic Behavior: PM generators respond more quickly to load changes and speed variations, enabling more precise control and regulation.
- Efficient Energy Conversion: by quickly adapting to changing operating conditions, energy conversion is optimized.
Environmental Friendliness
- Energy Savings: the high efficiency and effective energy conversion of these generators contribute to reduced energy consumption.
- Reduced Emissions: higher efficiency and lower energy use lead to reduced CO2 emissions, contributing to sustainability.
In summary, variable-speed, permanent magnet-excited generators offer significant advantages over conventional generators due to their high efficiency, reliability, flexibility, and environmental friendliness. They provide an advanced solution for modern energy generation and utilization in a wide range of applications.
In the field of motor and generator design for maritime applications, there are numerous custom solutions specifically tailored to the requirements of the maritime industry. These tailored solutions include both technical adaptations and innovative developments aimed at making ship engines more efficient, environmentally friendly, and adaptable.
Space-saving special designs play a crucial role in ship architecture to optimize the use of available space and maximize efficiency. These designs are applied in both the development of new ships and the retrofitting of existing vessels. Here are some examples:
- PM motors with double shaft ends
- PM motors and generators with hollow shafts
- PM motors for integrated solutions
- PM motors for winches