Description

Dual-motor coaxial electric propulsion system

Addressing pain points:

Improving reliability;
Significantly reducing operating costs for ship owners (~20% or more);
Complying with IMO redundancy requirements for single-engine, single-propeller applications;
Increasing the efficiency of single-engine, single-propeller vessels;
Reducing crew requirements;
Providing the foundation and convenience for intelligent electric ships;
Fully complying with green ship standards, addressing carbon trading and carbon emission issues.

Our company is pleased to recommend a series of high-power, high-torque asynchronous propulsion motors, specifically designed for large ships and special vessels. These motors boast superior power performance and a reliable structural design, meeting the propulsion requirements of harsh marine environments. Below are detailed technical specifications and advantages of this series for your reference.

一、Product Technical Parameters

parameter	Specific scope/level	illustrate
Frame size	H355 ~ H1400	Covering the frame sizes of propulsion motors for large ships to meet high power requirements.
Power range	2×500 kW ~ 2×5000 kW	Dual-unit configuration to meet ultra-high power requirements
Torque range	Maximum reach ~10000 kNm	It provides powerful torque output and is suitable for low-speed, high-power propulsion applications.
Speed ​​range	40 ~ 300 rpm	Its low-speed, high-torque characteristics meet the speed requirements of marine propulsion systems.
Voltage	220 V ~ 6000 V	Wide voltage range to meet the needs of different ship power systems
Protection level	IP54 / IP55 / IP56	Excellent dust and water resistance ensures safe and stable operation of the equipment.
Installation method	B3（Foot mounting）	Standard foot mounting ensures a stable structure and facilitates inspection and maintenance.
Cooling method	IC71W（Water cooling）	High-efficiency water cooling system ensures long-term heavy-load operation.
Insulation temperature rise rating	H/F；F/B	High-grade insulation material with excellent high-temperature resistance, extending motor life.

II. Product Advantages and Features
* **High Power and High Torque Output:**
Maximum power reaches 2×5000 kW, and torque reaches 10000 kNm, significantly enhancing ship propulsion capabilities.

Suitable for large cargo ships, tankers, and heavy-duty tugboats with extremely high power requirements.
* **Low Speed, High Torque Characteristics, Improved Propulsion Efficiency:**
40~300 rpm speed range matches common ship propulsion mechanisms, balancing speed and propulsion efficiency.

Suitable for diverse propulsion methods, including direct drive or use with a gearbox.
* **Multi-level Protection Design, Ensuring Stable Operation in Harsh Environments:**
IP54~IP56 high protection rating ensures long-term stable operation of the motor in high-salt, high-humidity, and dusty environments.
* **Superior Sealing Structure Extends Equipment Lifespan and Reduces Maintenance Costs:**
* **High-Efficiency Water Cooling System:**
Utilizes IC71W water cooling, providing strong heat dissipation and ensuring stable motor temperature.

**Supports High-Load, Long-Term Continuous Operation, Improving Power System Reliability.** High-grade insulation materials ensure safety and durability.

H/F and F/B insulation classes, combined with reasonable temperature rise control, significantly improve the motor’s resistance to thermal aging.

Ensure safe operation of the motor under complex marine conditions and extend equipment life.

Standardized installation facilitates engineering integration and maintenance.

B3 foot mounting conforms to international marine motor standards, facilitating integration with the hull structure and subsequent maintenance.

III. Typical Application Areas
Main propulsion systems for large cargo ships, tankers, and container ships
Auxiliary power systems for offshore platforms and propulsion systems for heavy-duty tugboats
Low-speed, high-torque power drives for warships and special vessels
Green alternatives and electrification upgrades to ship propulsion systems

IV. Service Support and Commitment
A professional technical team provides customized selection and system integration solutions.

Complete installation, commissioning, and after-sales maintenance support ensures smooth project delivery and operation.

Rapid response after-sales service and preventative maintenance recommendations ensure the safe and stable operation of the ship’s power system.

V. Summary This series of asynchronous propulsion motors, with their ultra-high power, strong torque, efficient cooling, and superior insulation performance, provides reliable and powerful propulsion for large vessels, making them an excellent choice for upgrading and retrofitting ship propulsion systems and for new construction projects. We look forward to working with you to create an efficient and green shipping future!

For further technical information or solution consultation, please feel free to contact us. We are dedicated to serving you.

Wishing you continued success in your shipping business!